Remove Gonk build directories

39 files changed, 0 insertions, 11650 deletions

diff --git a/widget/gonk/nativewindow/FakeSurfaceComposer.cpp b/widget/gonk/nativewindow/FakeSurfaceComposer.cpp
deleted file mode 100644
index 7e4a2a9d8..000000000
--- a/widget/gonk/nativewindow/FakeSurfaceComposer.cpp
+++ /dev/null
@@ -1,703 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "FakeSurfaceComposer"
-//#define LOG_NDEBUG 0
-
-#include <stdint.h>
-#include <sys/types.h>
-#include <errno.h>
-#include <cutils/atomic.h>
-#include <cutils/log.h>
-#include <cutils/properties.h>
-#include <private/android_filesystem_config.h>
-
-#include <gui/IDisplayEventConnection.h>
-#include <gui/GraphicBufferAlloc.h>
-#include <gui/Surface.h>
-#include <ui/DisplayInfo.h>
-
-#if ANDROID_VERSION >= 21
-#include <ui/Rect.h>
-#endif
-
-#include "../libdisplay/GonkDisplay.h"
-#include "../nsScreenManagerGonk.h"
-#include "FakeSurfaceComposer.h"
-#include "gfxPrefs.h"
-#include "MainThreadUtils.h"
-#include "mozilla/Assertions.h"
-#include "mozilla/layers/CompositorBridgeParent.h"
-#include "mozilla/layers/CompositorThread.h"
-#include "nsProxyRelease.h"
-#include "nsThreadUtils.h"
-
-using namespace mozilla;
-
-namespace android {
-
-/* static */
-void FakeSurfaceComposer::instantiate() {
-    defaultServiceManager()->addService(
-            String16("SurfaceFlinger"), new FakeSurfaceComposer());
-}
-
-FakeSurfaceComposer::FakeSurfaceComposer()
-    : BnSurfaceComposer()
-{
-}
-
-FakeSurfaceComposer::~FakeSurfaceComposer()
-{
-}
-
-status_t FakeSurfaceComposer::onTransact(uint32_t code, const Parcel& data,
-                                         Parcel* reply, uint32_t flags)
-{
-    switch (code) {
-        case CREATE_CONNECTION:
-        case CREATE_DISPLAY:
-        case SET_TRANSACTION_STATE:
-        case CAPTURE_SCREEN:
-        {
-            // codes that require permission check
-            IPCThreadState* ipc = IPCThreadState::self();
-            const int pid = ipc->getCallingPid();
-            const int uid = ipc->getCallingUid();
-            // Accept request only when uid is root.
-            if (uid != AID_ROOT) {
-                ALOGE("Permission Denial: "
-                        "can't access SurfaceFlinger pid=%d, uid=%d", pid, uid);
-                return PERMISSION_DENIED;
-            }
-            break;
-        }
-    }
-
-    return BnSurfaceComposer::onTransact(code, data, reply, flags);
-}
-
-sp<ISurfaceComposerClient> FakeSurfaceComposer::createConnection()
-{
-    return nullptr;
-}
-
-sp<IGraphicBufferAlloc> FakeSurfaceComposer::createGraphicBufferAlloc()
-{
-    sp<GraphicBufferAlloc> gba(new GraphicBufferAlloc());
-    return gba;
-}
-
-class DestroyDisplayRunnable : public Runnable {
-public:
-    DestroyDisplayRunnable(FakeSurfaceComposer* aComposer, ssize_t aIndex)
-        : mComposer(aComposer), mIndex(aIndex) { }
-    NS_IMETHOD Run() override {
-        MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
-        Mutex::Autolock _l(mComposer->mStateLock);
-        RefPtr<nsScreenManagerGonk> screenManager =
-            nsScreenManagerGonk::GetInstance();
-        screenManager->RemoveScreen(GonkDisplay::DISPLAY_VIRTUAL);
-        mComposer->mDisplays.removeItemsAt(mIndex);
-        return NS_OK;
-    }
-    sp<FakeSurfaceComposer> mComposer;
-    ssize_t mIndex;
-};
-
-sp<IBinder> FakeSurfaceComposer::createDisplay(const String8& displayName,
-        bool secure)
-{
-#if ANDROID_VERSION >= 19
-    class DisplayToken : public BBinder {
-        sp<FakeSurfaceComposer> composer;
-        virtual ~DisplayToken() {
-            MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
-            // no more references, this display must be terminated
-            Mutex::Autolock _l(composer->mStateLock);
-            ssize_t idx = composer->mDisplays.indexOfKey(this);
-            if (idx >= 0) {
-                nsCOMPtr<nsIRunnable> task(new DestroyDisplayRunnable(composer.get(), idx));
-                NS_DispatchToMainThread(task);
-            }
-        }
-    public:
-        DisplayToken(const sp<FakeSurfaceComposer>& composer)
-            : composer(composer) {
-        }
-    };
-
-    sp<BBinder> token = new DisplayToken(this);
-
-    Mutex::Autolock _l(mStateLock);
-    DisplayDeviceState info(HWC_DISPLAY_VIRTUAL);
-    info.displayName = displayName;
-    info.displayId = GonkDisplay::DISPLAY_VIRTUAL;
-    info.isSecure = secure;
-    mDisplays.add(token, info);
-    return token;
-#else
-    return nullptr;
-#endif
-}
-
-#if ANDROID_VERSION >= 19
-void FakeSurfaceComposer::destroyDisplay(const sp<IBinder>& display)
-{
-    Mutex::Autolock _l(mStateLock);
-
-    ssize_t idx = mDisplays.indexOfKey(display);
-    if (idx < 0) {
-        ALOGW("destroyDisplay: invalid display token");
-        return;
-    }
-
-    nsCOMPtr<nsIRunnable> task(new DestroyDisplayRunnable(this, idx));
-    NS_DispatchToMainThread(task);
-}
-#endif
-
-sp<IBinder> FakeSurfaceComposer::getBuiltInDisplay(int32_t id)
-{
-    // support only primary display
-    if (uint32_t(id) != HWC_DISPLAY_PRIMARY) {
-        return NULL;
-    }
-
-    if (!mPrimaryDisplay.get()) {
-        mPrimaryDisplay = new BBinder();
-    }
-    return mPrimaryDisplay;
-}
-
-void FakeSurfaceComposer::setTransactionState(
-        const Vector<ComposerState>& state,
-        const Vector<DisplayState>& displays,
-        uint32_t flags)
-{
-    Mutex::Autolock _l(mStateLock);
-    size_t count = displays.size();
-    for (size_t i=0 ; i<count ; i++) {
-        const DisplayState& s(displays[i]);
-        setDisplayStateLocked(s);
-    }
-}
-
-uint32_t FakeSurfaceComposer::setDisplayStateLocked(const DisplayState& s)
-{
-    ssize_t dpyIdx = mDisplays.indexOfKey(s.token);
-    if (dpyIdx < 0) {
-        return 0;
-    }
-
-    uint32_t flags = 0;
-    DisplayDeviceState& disp(mDisplays.editValueAt(dpyIdx));
-
-    if (!disp.isValid()) {
-        return 0;
-    }
-
-    const uint32_t what = s.what;
-    if (what & DisplayState::eSurfaceChanged) {
-        if (disp.surface->asBinder() != s.surface->asBinder()) {
-            disp.surface = s.surface;
-            flags |= eDisplayTransactionNeeded;
-        }
-    }
-    if (what & DisplayState::eLayerStackChanged) {
-        if (disp.layerStack != s.layerStack) {
-            disp.layerStack = s.layerStack;
-            flags |= eDisplayTransactionNeeded;
-        }
-    }
-    if (what & DisplayState::eDisplayProjectionChanged) {
-        if (disp.orientation != s.orientation) {
-            disp.orientation = s.orientation;
-            flags |= eDisplayTransactionNeeded;
-        }
-        if (disp.frame != s.frame) {
-            disp.frame = s.frame;
-            flags |= eDisplayTransactionNeeded;
-        }
-        if (disp.viewport != s.viewport) {
-            disp.viewport = s.viewport;
-            flags |= eDisplayTransactionNeeded;
-        }
-    }
-#if ANDROID_VERSION >= 21
-    if (what & DisplayState::eDisplaySizeChanged) {
-        if (disp.width != s.width) {
-            disp.width = s.width;
-            flags |= eDisplayTransactionNeeded;
-        }
-        if (disp.height != s.height) {
-            disp.height = s.height;
-            flags |= eDisplayTransactionNeeded;
-        }
-    }
-#endif
-
-    if (what & DisplayState::eSurfaceChanged) {
-        nsCOMPtr<nsIRunnable> runnable =
-            NS_NewRunnableFunction([&]() {
-                MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
-                RefPtr<nsScreenManagerGonk> screenManager = nsScreenManagerGonk::GetInstance();
-                screenManager->AddScreen(GonkDisplay::DISPLAY_VIRTUAL, disp.surface.get());
-            });
-        NS_DispatchToMainThread(runnable, NS_DISPATCH_SYNC);
-    }
-
-    return flags;
-}
-
-void FakeSurfaceComposer::bootFinished()
-{
-}
-
-bool FakeSurfaceComposer::authenticateSurfaceTexture(
-        const sp<IGraphicBufferProducer>& bufferProducer) const {
-    return false;
-}
-
-sp<IDisplayEventConnection> FakeSurfaceComposer::createDisplayEventConnection() {
-    return nullptr;
-}
-
-// ---------------------------------------------------------------------------
-// Capture screen into an IGraphiBufferProducer
-// ---------------------------------------------------------------------------
-
-class Barrier {
-public:
-    inline Barrier() : state(CLOSED) { }
-    inline ~Barrier() { }
-
-    // Release any threads waiting at the Barrier.
-    // Provides release semantics: preceding loads and stores will be visible
-    // to other threads before they wake up.
-    void open() {
-        Mutex::Autolock _l(lock);
-        state = OPENED;
-        cv.broadcast();
-    }
-
-    // Reset the Barrier, so wait() will block until open() has been called.
-    void close() {
-        Mutex::Autolock _l(lock);
-        state = CLOSED;
-    }
-
-    // Wait until the Barrier is OPEN.
-    // Provides acquire semantics: no subsequent loads or stores will occur
-    // until wait() returns.
-    void wait() const {
-        Mutex::Autolock _l(lock);
-        while (state == CLOSED) {
-            cv.wait(lock);
-        }
-    }
-private:
-    enum { OPENED, CLOSED };
-    mutable     Mutex       lock;
-    mutable     Condition   cv;
-    volatile    int         state;
-};
-
-/* The code below is here to handle b/8734824
- *
- * We create a IGraphicBufferProducer wrapper that forwards all calls
- * to the calling binder thread, where they are executed. This allows
- * the calling thread to be reused (on the other side) and not
- * depend on having "enough" binder threads to handle the requests.
- *
- */
-
-class GraphicProducerWrapper : public BBinder, public MessageHandler {
-    sp<IGraphicBufferProducer> impl;
-    sp<Looper> looper;
-    status_t result;
-    bool exitPending;
-    bool exitRequested;
-    mutable Barrier barrier;
-    volatile int32_t memoryBarrier;
-    uint32_t code;
-    Parcel const* data;
-    Parcel* reply;
-
-    enum {
-        MSG_API_CALL,
-        MSG_EXIT
-    };
-
-    /*
-     * this is called by our "fake" BpGraphicBufferProducer. We package the
-     * data and reply Parcel and forward them to the calling thread.
-     */
-    virtual status_t transact(uint32_t code,
-            const Parcel& data, Parcel* reply, uint32_t flags) {
-        this->code = code;
-        this->data = &data;
-        this->reply = reply;
-        android_atomic_acquire_store(0, &memoryBarrier);
-        if (exitPending) {
-            // if we've exited, we run the message synchronously right here
-            handleMessage(Message(MSG_API_CALL));
-        } else {
-            barrier.close();
-            looper->sendMessage(this, Message(MSG_API_CALL));
-            barrier.wait();
-        }
-        return NO_ERROR;
-    }
-
-    /*
-     * here we run on the binder calling thread. All we've got to do is
-     * call the real BpGraphicBufferProducer.
-     */
-    virtual void handleMessage(const Message& message) {
-        android_atomic_release_load(&memoryBarrier);
-        if (message.what == MSG_API_CALL) {
-            impl->asBinder()->transact(code, data[0], reply);
-            barrier.open();
-        } else if (message.what == MSG_EXIT) {
-            exitRequested = true;
-        }
-    }
-
-public:
-    GraphicProducerWrapper(const sp<IGraphicBufferProducer>& impl) :
-        impl(impl), looper(new Looper(true)), result(NO_ERROR),
-        exitPending(false), exitRequested(false) {
-    }
-
-    status_t waitForResponse() {
-        do {
-            looper->pollOnce(-1);
-        } while (!exitRequested);
-        return result;
-    }
-
-    void exit(status_t result) {
-        this->result = result;
-        exitPending = true;
-        looper->sendMessage(this, Message(MSG_EXIT));
-    }
-};
-
-status_t
-FakeSurfaceComposer::captureScreen(const sp<IBinder>& display
-                                 , const sp<IGraphicBufferProducer>& producer
-#if ANDROID_VERSION >= 21
-                                 , Rect sourceCrop
-#endif
-                                 , uint32_t reqWidth
-                                 , uint32_t reqHeight
-                                 , uint32_t minLayerZ
-                                 , uint32_t maxLayerZ
-#if ANDROID_VERSION >= 21
-                                 , bool useIdentityTransform
-                                 , Rotation rotation
-#elif ANDROID_VERSION < 19
-                                 , bool isCpuConsumer
-#endif
-                                  )
-{
-    if (display == 0 || producer == 0) {
-        return BAD_VALUE;
-    }
-
-    // Limit only to primary display
-    if (display != mPrimaryDisplay) {
-        return BAD_VALUE;
-    }
-
-    // this creates a "fake" BBinder which will serve as a "fake" remote
-    // binder to receive the marshaled calls and forward them to the
-    // real remote (a BpGraphicBufferProducer)
-    sp<GraphicProducerWrapper> wrapper = new GraphicProducerWrapper(producer);
-    // the asInterface() call below creates our "fake" BpGraphicBufferProducer
-    // which does the marshaling work forwards to our "fake remote" above.
-    sp<IGraphicBufferProducer> fakeProducer = IGraphicBufferProducer::asInterface(wrapper);
-
-    nsCOMPtr<nsIRunnable> runnable =
-        NS_NewRunnableFunction([&]() {
-            captureScreenImp(fakeProducer, reqWidth, reqHeight, wrapper.get());
-        });
-    NS_DispatchToMainThread(runnable);
-
-    status_t result = wrapper->waitForResponse();
-
-    return result;
-}
-
-class RunnableCallTask final : public Runnable
-{
-public:
-    explicit RunnableCallTask(nsIRunnable* aRunnable)
-        : mRunnable(aRunnable) {}
-
-    NS_IMETHOD Run() override
-    {
-        return mRunnable->Run();
-    }
-protected:
-    nsCOMPtr<nsIRunnable> mRunnable;
-};
-
-void
-FakeSurfaceComposer::captureScreenImp(const sp<IGraphicBufferProducer>& producer,
-                                      uint32_t reqWidth,
-                                      uint32_t reqHeight,
-                                      const sp<GraphicProducerWrapper>& wrapper)
-{
-    MOZ_ASSERT(NS_IsMainThread());
-    MOZ_ASSERT(wrapper.get());
-
-    RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();
-
-    // get screen geometry
-    nsIntRect screenBounds = screen->GetNaturalBounds().ToUnknownRect();
-    const uint32_t hw_w = screenBounds.width;
-    const uint32_t hw_h = screenBounds.height;
-
-    if (reqWidth > hw_w || reqHeight > hw_h) {
-        ALOGE("size mismatch (%d, %d) > (%d, %d)",
-                reqWidth, reqHeight, hw_w, hw_h);
-        static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(BAD_VALUE);
-        return;
-    }
-
-    reqWidth  = (!reqWidth)  ? hw_w : reqWidth;
-    reqHeight = (!reqHeight) ? hw_h : reqHeight;
-
-    nsCOMPtr<nsIRunnable> runnable =
-        NS_NewRunnableFunction([screen, reqWidth, reqHeight, producer, wrapper]() {
-            // create a surface (because we're a producer, and we need to
-            // dequeue/queue a buffer)
-            sp<Surface> sur = new Surface(producer);
-            ANativeWindow* window = sur.get();
-            // The closure makes screen const and we can't call forget() on it.
-            RefPtr<nsScreenGonk> screenAlias = screen;
-
-            if (native_window_api_connect(window, NATIVE_WINDOW_API_EGL) != NO_ERROR) {
-                static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(BAD_VALUE);
-                NS_ReleaseOnMainThread(screenAlias.forget());
-                return;
-            }
-            uint32_t usage = GRALLOC_USAGE_SW_READ_OFTEN | GRALLOC_USAGE_SW_WRITE_OFTEN |
-                             GRALLOC_USAGE_HW_RENDER | GRALLOC_USAGE_HW_TEXTURE;
-
-            int err = 0;
-            err = native_window_set_buffers_dimensions(window, reqWidth, reqHeight);
-            err |= native_window_set_scaling_mode(window, NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW);
-            err |= native_window_set_buffers_format(window, HAL_PIXEL_FORMAT_RGBA_8888);
-            err |= native_window_set_usage(window, usage);
-
-            status_t result = NO_ERROR;
-            if (err == NO_ERROR) {
-                ANativeWindowBuffer* buffer;
-                result = native_window_dequeue_buffer_and_wait(window,  &buffer);
-                if (result == NO_ERROR) {
-                    nsresult rv = screen->MakeSnapshot(buffer);
-                    if (rv != NS_OK) {
-                        result = INVALID_OPERATION;
-                    }
-                    window->queueBuffer(window, buffer, -1);
-                }
-            } else {
-                result = BAD_VALUE;
-            }
-            native_window_api_disconnect(window, NATIVE_WINDOW_API_EGL);
-            static_cast<GraphicProducerWrapper*>(producer->asBinder().get())->exit(result);
-            NS_ReleaseOnMainThread(screenAlias.forget());
-        });
-
-    layers::CompositorThreadHolder::Loop()->PostTask(
-        MakeAndAddRef<RunnableCallTask>(runnable));
-}
-
-#if ANDROID_VERSION >= 21
-void
-FakeSurfaceComposer::setPowerMode(const sp<IBinder>& display, int mode)
-{
-}
-
-status_t
-FakeSurfaceComposer::getDisplayConfigs(const sp<IBinder>& display, Vector<DisplayInfo>* configs)
-{
-    if (configs == NULL) {
-        return BAD_VALUE;
-    }
-
-    // Limit DisplayConfigs only to primary display
-    if (!display.get() || display != mPrimaryDisplay) {
-        return NAME_NOT_FOUND;
-    }
-
-    configs->clear();
-    DisplayInfo info = DisplayInfo();
-
-    nsCOMPtr<nsIRunnable> runnable =
-        NS_NewRunnableFunction([&]() {
-            MOZ_ASSERT(NS_IsMainThread());
-            getPrimaryDisplayInfo(&info);
-        });
-    NS_DispatchToMainThread(runnable, NS_DISPATCH_SYNC);
-
-    configs->push_back(info);
-    return NO_ERROR;
-}
-
-status_t
-FakeSurfaceComposer::getDisplayStats(const sp<IBinder>& display, DisplayStatInfo* stats)
-{
-    return INVALID_OPERATION;
-}
-
-int
-FakeSurfaceComposer::getActiveConfig(const sp<IBinder>& display)
-{
-   // Only support primary display.
-   if (display.get() && (display == mPrimaryDisplay)) {
-       return 0;
-   }
-   return INVALID_OPERATION;
-}
-
-status_t
-FakeSurfaceComposer::setActiveConfig(const sp<IBinder>& display, int id)
-{
-    return INVALID_OPERATION;
-}
-
-status_t
-FakeSurfaceComposer::clearAnimationFrameStats()
-{
-    return INVALID_OPERATION;
-}
-
-status_t
-FakeSurfaceComposer::getAnimationFrameStats(FrameStats* outStats) const
-{
-    return INVALID_OPERATION;
-}
-#else
-void
-FakeSurfaceComposer::blank(const sp<IBinder>& display)
-{
-}
-
-void
-FakeSurfaceComposer::unblank(const sp<IBinder>& display)
-{
-}
-
-status_t
-FakeSurfaceComposer::getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info)
-{
-    if (info == NULL) {
-        return BAD_VALUE;
-    }
-
-    // Limit DisplayConfigs only to primary display
-    if (!display.get() || display != mPrimaryDisplay) {
-        return NAME_NOT_FOUND;
-    }
-
-    nsCOMPtr<nsIRunnable> runnable =
-        NS_NewRunnableFunction([&]() {
-            MOZ_ASSERT(NS_IsMainThread());
-            getPrimaryDisplayInfo(info);
-        });
-    NS_DispatchToMainThread(runnable, NS_DISPATCH_SYNC);
-
-    return NO_ERROR;
-}
-#endif
-
-#define VSYNC_EVENT_PHASE_OFFSET_NS 0
-#define SF_VSYNC_EVENT_PHASE_OFFSET_NS 0
-
-void
-FakeSurfaceComposer::getPrimaryDisplayInfo(DisplayInfo* info)
-{
-    MOZ_ASSERT(NS_IsMainThread(), "Must be on main thread.");
-
-    // Implementation mimic android SurfaceFlinger::getDisplayConfigs().
-
-    class Density {
-        static int getDensityFromProperty(char const* propName) {
-            char property[PROPERTY_VALUE_MAX];
-            int density = 0;
-            if (property_get(propName, property, NULL) > 0) {
-                density = atoi(property);
-            }
-            return density;
-        }
-    public:
-        static int getEmuDensity() {
-            return getDensityFromProperty("qemu.sf.lcd_density"); }
-        static int getBuildDensity()  {
-            return getDensityFromProperty("ro.sf.lcd_density"); }
-    };
-
-    RefPtr<nsScreenGonk> screen = nsScreenManagerGonk::GetPrimaryScreen();
-
-    float xdpi = screen->GetDpi();
-    float ydpi = screen->GetDpi();
-    int fps = 60; // XXX set a value from hwc hal
-    nsIntRect screenBounds = screen->GetNaturalBounds().ToUnknownRect();
-
-    // The density of the device is provided by a build property
-    float density = Density::getBuildDensity() / 160.0f;
-    if (density == 0) {
-        // the build doesn't provide a density -- this is wrong!
-        // use xdpi instead
-        ALOGE("ro.sf.lcd_density must be defined as a build property");
-        density = xdpi / 160.0f;
-    }
-    info->density = density;
-    info->orientation = screen->EffectiveScreenRotation();
-
-    info->w = screenBounds.width;
-    info->h = screenBounds.height;
-    info->xdpi = xdpi;
-    info->ydpi = ydpi;
-    info->fps = fps;
-#if ANDROID_VERSION >= 21
-    info->appVsyncOffset = VSYNC_EVENT_PHASE_OFFSET_NS;
-
-    // This is how far in advance a buffer must be queued for
-    // presentation at a given time.  If you want a buffer to appear
-    // on the screen at time N, you must submit the buffer before
-    // (N - presentationDeadline).
-    //
-    // Normally it's one full refresh period (to give SF a chance to
-    // latch the buffer), but this can be reduced by configuring a
-    // DispSync offset.  Any additional delays introduced by the hardware
-    // composer or panel must be accounted for here.
-    //
-    // We add an additional 1ms to allow for processing time and
-    // differences between the ideal and actual refresh rate.
-    info->presentationDeadline =
-            (1e9 / fps) - SF_VSYNC_EVENT_PHASE_OFFSET_NS + 1000000;
-#endif
-    // All non-virtual displays are currently considered secure.
-    info->secure = true;
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/FakeSurfaceComposer.h b/widget/gonk/nativewindow/FakeSurfaceComposer.h
deleted file mode 100644
index 97a717444..000000000
--- a/widget/gonk/nativewindow/FakeSurfaceComposer.h
+++ /dev/null
@@ -1,175 +0,0 @@
-/*
- * Copyright (C) 2007 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_FAKE_SURFACE_COMPOSER_H
-#define NATIVEWINDOW_FAKE_SURFACE_COMPOSER_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/Looper.h>
-
-#include <binder/BinderService.h>
-
-#include <gui/IGraphicBufferProducer.h>
-#include <gui/ISurfaceComposer.h>
-#include <gui/ISurfaceComposerClient.h>
-#include <hardware/hwcomposer.h>
-#include <private/gui/LayerState.h>
-#include <utils/KeyedVector.h>
-
-class nsIWidget;
-
-namespace android {
-
-// ---------------------------------------------------------------------------
-
-class GraphicProducerWrapper;
-class IGraphicBufferAlloc;
-
-enum {
-    eTransactionNeeded        = 0x01,
-    eTraversalNeeded          = 0x02,
-    eDisplayTransactionNeeded = 0x04,
-    eTransactionMask          = 0x07
-};
-
-class FakeSurfaceComposer : public BinderService<FakeSurfaceComposer>,
-                            public BnSurfaceComposer
-{
-public:
-    static char const* getServiceName() {
-        return "FakeSurfaceComposer";
-    }
-
-    // Instantiate FakeSurfaceComposer and register to service manager.
-    // If service manager is not present, wait until service manager becomes present.
-    static  void instantiate();
-
-#if ANDROID_VERSION >= 19
-    virtual void destroyDisplay(const sp<android::IBinder>& display);
-#endif
-
-#if ANDROID_VERSION >= 21
-    virtual status_t captureScreen(const sp<IBinder>& display,
-                                   const sp<IGraphicBufferProducer>& producer,
-                                   Rect sourceCrop, uint32_t reqWidth, uint32_t reqHeight,
-                                   uint32_t minLayerZ, uint32_t maxLayerZ,
-                                   bool useIdentityTransform,
-                                   Rotation rotation = eRotateNone);
-#elif ANDROID_VERSION >= 19
-    virtual status_t captureScreen(const sp<IBinder>& display,
-                                   const sp<IGraphicBufferProducer>& producer,
-                                   uint32_t reqWidth, uint32_t reqHeight,
-                                   uint32_t minLayerZ, uint32_t maxLayerZ);
-#else
-    virtual status_t captureScreen(const sp<IBinder>& display,
-                                   const sp<IGraphicBufferProducer>& producer,
-                                   uint32_t reqWidth, uint32_t reqHeight,
-                                   uint32_t minLayerZ, uint32_t maxLayerZ, bool isCpuConsumer);
-#endif
-
-private:
-    FakeSurfaceComposer();
-    // We're reference counted, never destroy FakeSurfaceComposer directly
-    virtual ~FakeSurfaceComposer();
-
-    /* ------------------------------------------------------------------------
-     * IBinder interface
-     */
-    virtual status_t onTransact(uint32_t code, const Parcel& data,
-        Parcel* reply, uint32_t flags);
-
-    /* ------------------------------------------------------------------------
-     * ISurfaceComposer interface
-     */
-    virtual sp<ISurfaceComposerClient> createConnection();
-    virtual sp<IGraphicBufferAlloc> createGraphicBufferAlloc();
-    virtual sp<IBinder> createDisplay(const String8& displayName, bool secure);
-    virtual sp<IBinder> getBuiltInDisplay(int32_t id);
-    virtual void setTransactionState(const Vector<ComposerState>& state,
-            const Vector<DisplayState>& displays, uint32_t flags);
-    virtual void bootFinished();
-    virtual bool authenticateSurfaceTexture(
-        const sp<IGraphicBufferProducer>& bufferProducer) const;
-    virtual sp<IDisplayEventConnection> createDisplayEventConnection();
-#if ANDROID_VERSION >= 21
-    virtual void setPowerMode(const sp<IBinder>& display, int mode);
-    virtual status_t getDisplayConfigs(const sp<IBinder>& display, Vector<DisplayInfo>* configs);
-    virtual status_t getDisplayStats(const sp<IBinder>& display, DisplayStatInfo* stats);
-    virtual int getActiveConfig(const sp<IBinder>& display);
-    virtual status_t setActiveConfig(const sp<IBinder>& display, int id);
-    virtual status_t clearAnimationFrameStats();
-    virtual status_t getAnimationFrameStats(FrameStats* outStats) const;
-#elif ANDROID_VERSION >= 17
-    // called when screen needs to turn off
-    virtual void blank(const sp<IBinder>& display);
-    // called when screen is turning back on
-    virtual void unblank(const sp<IBinder>& display);
-    virtual status_t getDisplayInfo(const sp<IBinder>& display, DisplayInfo* info);
-#endif
-    void getPrimaryDisplayInfo(DisplayInfo* info);
-
-    /* ------------------------------------------------------------------------
-     * Transactions
-     */
-    uint32_t setDisplayStateLocked(const DisplayState& s);
-
-    void captureScreenImp(const sp<IGraphicBufferProducer>& producer,
-                          uint32_t reqWidth,
-                          uint32_t reqHeight,
-                          const sp<GraphicProducerWrapper>& wrapper);
-
-    sp<IBinder> mPrimaryDisplay;
-
-    struct DisplayDeviceState {
-        enum {
-            NO_LAYER_STACK = 0xFFFFFFFF,
-        };
-        DisplayDeviceState()
-            : type(-1), displayId(-1), width(0), height(0) {
-        }
-        DisplayDeviceState(int type)
-            : type(type), displayId(-1), layerStack(NO_LAYER_STACK), orientation(0), width(0), height(0) {
-            viewport.makeInvalid();
-            frame.makeInvalid();
-        }
-        bool isValid() const { return type >= 0; }
-        int type;
-        int displayId;
-        sp<IGraphicBufferProducer> surface;
-        uint32_t layerStack;
-        Rect viewport;
-        Rect frame;
-        uint8_t orientation;
-        uint32_t width, height;
-        String8 displayName;
-        bool isSecure;
-    };
-
-    // access must be protected by mStateLock
-    mutable Mutex mStateLock;
-    DefaultKeyedVector<wp<IBinder>, DisplayDeviceState> mDisplays;
-
-    friend class DestroyDisplayRunnable;
-};
-
-// ---------------------------------------------------------------------------
-}; // namespace android
-
-#endif // NATIVEWINDOW_FAKE_SURFACE_COMPOSER_H
diff --git a/widget/gonk/nativewindow/GonkBufferQueue.h b/widget/gonk/nativewindow/GonkBufferQueue.h
deleted file mode 100644
index defdb0ae2..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueue.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright 2013 Mozilla Foundation and Mozilla contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
-# include "GonkBufferQueueLL.h"
-#elif defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 19
-# include "GonkBufferQueueKK.h"
-#elif defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
-# include "GonkBufferQueueJB.h"
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueJB.cpp b/widget/gonk/nativewindow/GonkBufferQueueJB.cpp
deleted file mode 100644
index 81502f81e..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueJB.cpp
+++ /dev/null
@@ -1,1036 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkBufferQueue"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#define LOG_NDEBUG 0
-
-#define GL_GLEXT_PROTOTYPES
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <utils/Log.h>
-
-#include "mozilla/layers/GrallocTextureClient.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-
-#include "GonkBufferQueueJB.h"
-
-// Macros for including the GonkBufferQueue name in log messages
-#define ST_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
-#define ST_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
-#define ST_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
-#define ST_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
-#define ST_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
-
-#define ATRACE_BUFFER_INDEX(index)
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::layers;
-
-namespace android {
-
-// Get an ID that's unique within this process.
-static int32_t createProcessUniqueId() {
-    static volatile int32_t globalCounter = 0;
-    return android_atomic_inc(&globalCounter);
-}
-
-static const char* scalingModeName(int scalingMode) {
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
-        default: return "Unknown";
-    }
-}
-
-GonkBufferQueue::GonkBufferQueue(bool allowSynchronousMode,
-        const sp<IGraphicBufferAlloc>& allocator) :
-    mDefaultWidth(1),
-    mDefaultHeight(1),
-    mMaxAcquiredBufferCount(1),
-    mDefaultMaxBufferCount(2),
-    mOverrideMaxBufferCount(0),
-    mSynchronousMode(true),
-    mAllowSynchronousMode(allowSynchronousMode),
-    mConnectedApi(NO_CONNECTED_API),
-    mAbandoned(false),
-    mFrameCounter(0),
-    mBufferHasBeenQueued(false),
-    mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
-    mConsumerUsageBits(0),
-    mTransformHint(0)
-{
-    // Choose a name using the PID and a process-unique ID.
-    mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
-
-    ST_LOGV("GonkBufferQueue");
-}
-
-GonkBufferQueue::~GonkBufferQueue() {
-    ST_LOGV("~GonkBufferQueue");
-}
-
-status_t GonkBufferQueue::setDefaultMaxBufferCountLocked(int count) {
-    if (count < 2 || count > NUM_BUFFER_SLOTS)
-        return BAD_VALUE;
-
-    mDefaultMaxBufferCount = count;
-    mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-bool GonkBufferQueue::isSynchronousMode() const {
-    Mutex::Autolock lock(mMutex);
-    return mSynchronousMode;
-}
-
-void GonkBufferQueue::setConsumerName(const String8& name) {
-    Mutex::Autolock lock(mMutex);
-    mConsumerName = name;
-}
-
-status_t GonkBufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) {
-    Mutex::Autolock lock(mMutex);
-    mDefaultBufferFormat = defaultFormat;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setConsumerUsageBits(uint32_t usage) {
-    Mutex::Autolock lock(mMutex);
-    mConsumerUsageBits = usage;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setTransformHint(uint32_t hint) {
-    ST_LOGV("setTransformHint: %02x", hint);
-    Mutex::Autolock lock(mMutex);
-    mTransformHint = hint;
-    return NO_ERROR;
-}
-
-already_AddRefed<TextureClient>
-GonkBufferQueue::getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
-{
-    Mutex::Autolock _l(mMutex);
-    if (buffer == NULL) {
-        ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return nullptr;
-    }
-
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
-            RefPtr<TextureClient> client(mSlots[i].mTextureClient);
-            return client.forget();
-        }
-    }
-    ST_LOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
-    return nullptr;
-}
-
-int GonkBufferQueue::getSlotFromTextureClientLocked(
-        TextureClient* client) const
-{
-    if (client == NULL) {
-        ST_LOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return BAD_VALUE;
-    }
-
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mTextureClient == client) {
-            return i;
-        }
-    }
-    ST_LOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client);
-    return BAD_VALUE;
-}
-
-
-status_t GonkBufferQueue::setBufferCount(int bufferCount) {
-    ST_LOGV("setBufferCount: count=%d", bufferCount);
-
-    sp<ConsumerListener> listener;
-    {
-        Mutex::Autolock lock(mMutex);
-
-        if (mAbandoned) {
-            ST_LOGE("setBufferCount: GonkBufferQueue has been abandoned!");
-            return NO_INIT;
-        }
-        if (bufferCount > NUM_BUFFER_SLOTS) {
-            ST_LOGE("setBufferCount: bufferCount too large (max %d)",
-                    NUM_BUFFER_SLOTS);
-            return BAD_VALUE;
-        }
-
-        // Error out if the user has dequeued buffers
-        int maxBufferCount = getMaxBufferCountLocked();
-        for (int i=0 ; i<maxBufferCount; i++) {
-            if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
-                ST_LOGE("setBufferCount: client owns some buffers");
-                return -EINVAL;
-            }
-        }
-
-        const int minBufferSlots = getMinMaxBufferCountLocked();
-        if (bufferCount == 0) {
-            mOverrideMaxBufferCount = 0;
-            mDequeueCondition.broadcast();
-            return NO_ERROR;
-        }
-
-        if (bufferCount < minBufferSlots) {
-            ST_LOGE("setBufferCount: requested buffer count (%d) is less than "
-                    "minimum (%d)", bufferCount, minBufferSlots);
-            return BAD_VALUE;
-        }
-
-        // here we're guaranteed that the client doesn't have dequeued buffers
-        // and will release all of its buffer references.
-        //
-        // XXX: Should this use drainQueueAndFreeBuffersLocked instead?
-        freeAllBuffersLocked();
-        mOverrideMaxBufferCount = bufferCount;
-        mBufferHasBeenQueued = false;
-        mDequeueCondition.broadcast();
-        listener = mConsumerListener;
-    } // scope for lock
-
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return NO_ERROR;
-}
-
-int GonkBufferQueue::query(int what, int* outValue)
-{
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ST_LOGE("query: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    int value;
-    switch (what) {
-    case NATIVE_WINDOW_WIDTH:
-        value = mDefaultWidth;
-        break;
-    case NATIVE_WINDOW_HEIGHT:
-        value = mDefaultHeight;
-        break;
-    case NATIVE_WINDOW_FORMAT:
-        value = mDefaultBufferFormat;
-        break;
-    case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
-        value = getMinUndequeuedBufferCountLocked();
-        break;
-    case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
-        value = (mQueue.size() >= 2);
-        break;
-    default:
-        return BAD_VALUE;
-    }
-    outValue[0] = value;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
-    ST_LOGV("requestBuffer: slot=%d", slot);
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        ST_LOGE("requestBuffer: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-    int maxBufferCount = getMaxBufferCountLocked();
-    if (slot < 0 || maxBufferCount <= slot) {
-        ST_LOGE("requestBuffer: slot index out of range [0, %d]: %d",
-                maxBufferCount, slot);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) {
-        // XXX: I vaguely recall there was some reason this can be valid, but
-        // for the life of me I can't recall under what circumstances that's
-        // the case.
-        ST_LOGE("requestBuffer: slot %d is not owned by the client (state=%d)",
-                slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    }
-    mSlots[slot].mRequestBufferCalled = true;
-    *buf = mSlots[slot].mGraphicBuffer;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence,
-        uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
-    ST_LOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage);
-
-    if ((w && !h) || (!w && h)) {
-        ST_LOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
-        return BAD_VALUE;
-    }
-
-    status_t returnFlags(OK);
-    int buf = INVALID_BUFFER_SLOT;
-
-    { // Scope for the lock
-        Mutex::Autolock lock(mMutex);
-
-        if (format == 0) {
-            format = mDefaultBufferFormat;
-        }
-        // turn on usage bits the consumer requested
-        usage |= mConsumerUsageBits;
-
-        int found = -1;
-        int dequeuedCount = 0;
-        bool tryAgain = true;
-        while (tryAgain) {
-            if (mAbandoned) {
-                ST_LOGE("dequeueBuffer: GonkBufferQueue has been abandoned!");
-                return NO_INIT;
-            }
-
-            const int maxBufferCount = getMaxBufferCountLocked();
-
-            // Free up any buffers that are in slots beyond the max buffer
-            // count.
-            //for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
-            //    assert(mSlots[i].mBufferState == BufferSlot::FREE);
-            //    if (mSlots[i].mGraphicBuffer != NULL) {
-            //        freeBufferLocked(i);
-            //        returnFlags |= IGraphicBufferProducer::RELEASE_ALL_BUFFERS;
-            //    }
-            //}
-
-            // look for a free buffer to give to the client
-            found = INVALID_BUFFER_SLOT;
-            dequeuedCount = 0;
-            for (int i = 0; i < maxBufferCount; i++) {
-                const int state = mSlots[i].mBufferState;
-                if (state == BufferSlot::DEQUEUED) {
-                    dequeuedCount++;
-                }
-
-                if (state == BufferSlot::FREE) {
-                    /* We return the oldest of the free buffers to avoid
-                     * stalling the producer if possible.  This is because
-                     * the consumer may still have pending reads of the
-                     * buffers in flight.
-                     */
-                    if ((found < 0) ||
-                            mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
-                        found = i;
-                    }
-                }
-            }
-
-            // clients are not allowed to dequeue more than one buffer
-            // if they didn't set a buffer count.
-            if (!mOverrideMaxBufferCount && dequeuedCount) {
-                ST_LOGE("dequeueBuffer: can't dequeue multiple buffers without "
-                        "setting the buffer count");
-                return -EINVAL;
-            }
-
-            // See whether a buffer has been queued since the last
-            // setBufferCount so we know whether to perform the min undequeued
-            // buffers check below.
-            if (mBufferHasBeenQueued) {
-                // make sure the client is not trying to dequeue more buffers
-                // than allowed.
-                const int newUndequeuedCount = maxBufferCount - (dequeuedCount+1);
-                const int minUndequeuedCount = getMinUndequeuedBufferCountLocked();
-                if (newUndequeuedCount < minUndequeuedCount) {
-                    ST_LOGE("dequeueBuffer: min undequeued buffer count (%d) "
-                            "exceeded (dequeued=%d undequeudCount=%d)",
-                            minUndequeuedCount, dequeuedCount,
-                            newUndequeuedCount);
-                    return -EBUSY;
-                }
-            }
-
-            // If no buffer is found, wait for a buffer to be released or for
-            // the max buffer count to change.
-            tryAgain = found == INVALID_BUFFER_SLOT;
-            if (tryAgain) {
-                mDequeueCondition.wait(mMutex);
-            }
-        }
-
-
-        if (found == INVALID_BUFFER_SLOT) {
-            // This should not happen.
-            ST_LOGE("dequeueBuffer: no available buffer slots");
-            return -EBUSY;
-        }
-
-        buf = found;
-        *outBuf = found;
-
-        const bool useDefaultSize = !w && !h;
-        if (useDefaultSize) {
-            // use the default size
-            w = mDefaultWidth;
-            h = mDefaultHeight;
-        }
-
-        mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
-
-        const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer);
-        if ((buffer == NULL) ||
-            (uint32_t(buffer->width)  != w) ||
-            (uint32_t(buffer->height) != h) ||
-            (uint32_t(buffer->format) != format) ||
-            ((uint32_t(buffer->usage) & usage) != usage))
-        {
-            mSlots[buf].mAcquireCalled = false;
-            mSlots[buf].mGraphicBuffer = NULL;
-            mSlots[buf].mRequestBufferCalled = false;
-            mSlots[buf].mFence = Fence::NO_FENCE;
-            if (mSlots[buf].mTextureClient) {
-              mSlots[buf].mTextureClient->ClearRecycleCallback();
-              // release TextureClient in ImageBridge thread
-              RefPtr<TextureClientReleaseTask> task =
-                MakeAndAddRef<TextureClientReleaseTask>(mSlots[buf].mTextureClient);
-              mSlots[buf].mTextureClient = NULL;
-              ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-            }
-            returnFlags |= IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION;
-        }
-
-        *outFence = mSlots[buf].mFence;
-        mSlots[buf].mFence = Fence::NO_FENCE;
-    }  // end lock scope
-
-    sp<GraphicBuffer> graphicBuffer;
-    if (returnFlags & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
-
-        usage |= GraphicBuffer::USAGE_HW_TEXTURE;
-        RefPtr<LayersIPCChannel> allocator = ImageBridgeChild::GetSingleton();
-        GrallocTextureData* texData = GrallocTextureData::Create(IntSize(w,h), format,
-                                                                 gfx::BackendType::NONE, usage,
-                                                                 allocator);
-        if (!texData) {
-            ST_LOGE("dequeueBuffer: failed to alloc gralloc buffer");
-            return -ENOMEM;
-        }
-        RefPtr<TextureClient> textureClient = new TextureClient(texData, TextureFlags::RECYCLE | TextureFlags::DEALLOCATE_CLIENT, allocator);
-        sp<GraphicBuffer> graphicBuffer = texData->GetGraphicBuffer();
-
-        { // Scope for the lock
-            Mutex::Autolock lock(mMutex);
-
-            if (mAbandoned) {
-                ST_LOGE("dequeueBuffer: SurfaceTexture has been abandoned!");
-                return NO_INIT;
-            }
-
-            mSlots[buf].mGraphicBuffer = graphicBuffer;
-            mSlots[buf].mTextureClient = textureClient;
-            ST_LOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
-                    mSlots[buf].mGraphicBuffer->handle);
-            //mSlots[*outBuf].mGraphicBuffer = graphicBuffer;
-        }
-    }
-
-    ST_LOGV("dequeueBuffer: returning slot=%d buf=%p flags=%#x", *outBuf,
-            mSlots[*outBuf].mGraphicBuffer->handle, returnFlags);
-
-    return returnFlags;
-}
-
-status_t GonkBufferQueue::setSynchronousMode(bool enabled) {
-    ST_LOGV("setSynchronousMode: enabled=%d", enabled);
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ST_LOGE("setSynchronousMode: BufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    if (mSynchronousMode != enabled) {
-        mSynchronousMode = enabled;
-        mDequeueCondition.broadcast();
-    }
-    return OK;
-}
-
-status_t GonkBufferQueue::queueBuffer(int buf,
-        const QueueBufferInput& input, QueueBufferOutput* output) {
-
-    Rect crop;
-    uint32_t transform;
-    int scalingMode;
-    int64_t timestamp;
-    sp<Fence> fence;
-
-    input.deflate(&timestamp, &crop, &scalingMode, &transform, &fence);
-
-#if ANDROID_VERSION >= 18
-    if (fence == NULL) {
-        ST_LOGE("queueBuffer: fence is NULL");
-        return BAD_VALUE;
-    }
-#endif
-
-    ST_LOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x "
-            "scale=%s",
-            buf, timestamp, crop.left, crop.top, crop.right, crop.bottom,
-            transform, scalingModeName(scalingMode));
-
-    sp<ConsumerListener> listener;
-
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-        if (mAbandoned) {
-            ST_LOGE("queueBuffer: GonkBufferQueue has been abandoned!");
-            return NO_INIT;
-        }
-        int maxBufferCount = getMaxBufferCountLocked();
-        if (buf < 0 || buf >= maxBufferCount) {
-            ST_LOGE("queueBuffer: slot index out of range [0, %d]: %d",
-                    maxBufferCount, buf);
-            return -EINVAL;
-        } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
-            ST_LOGE("queueBuffer: slot %d is not owned by the client "
-                    "(state=%d)", buf, mSlots[buf].mBufferState);
-            return -EINVAL;
-        } else if (!mSlots[buf].mRequestBufferCalled) {
-            ST_LOGE("queueBuffer: slot %d was enqueued without requesting a "
-                    "buffer", buf);
-            return -EINVAL;
-        }
-
-        const sp<GraphicBuffer>& graphicBuffer(mSlots[buf].mGraphicBuffer);
-        Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight());
-        Rect croppedCrop;
-        crop.intersect(bufferRect, &croppedCrop);
-        if (croppedCrop != crop) {
-            ST_LOGE("queueBuffer: crop rect is not contained within the "
-                    "buffer in slot %d", buf);
-            return -EINVAL;
-        }
-
-        if (mSynchronousMode) {
-            // In synchronous mode we queue all buffers in a FIFO.
-            mQueue.push_back(buf);
-        } else {
-            // In asynchronous mode we only keep the most recent buffer.
-            if (mQueue.empty()) {
-                mQueue.push_back(buf);
-            } else {
-                Fifo::iterator front(mQueue.begin());
-                // buffer currently queued is freed
-                mSlots[*front].mBufferState = BufferSlot::FREE;
-                // and we record the new buffer index in the queued list
-                *front = buf;
-            }
-        }
-        // always signals that an additional frame should be consumed
-        // to handle max acquired buffer count reached case.
-        listener = mConsumerListener;
-
-        mSlots[buf].mTimestamp = timestamp;
-        mSlots[buf].mCrop = crop;
-        mSlots[buf].mTransform = transform;
-        mSlots[buf].mFence = fence;
-
-        switch (scalingMode) {
-            case NATIVE_WINDOW_SCALING_MODE_FREEZE:
-            case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
-            case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
-                break;
-            default:
-                ST_LOGE("unknown scaling mode: %d (ignoring)", scalingMode);
-                scalingMode = mSlots[buf].mScalingMode;
-                break;
-        }
-
-        mSlots[buf].mBufferState = BufferSlot::QUEUED;
-        mSlots[buf].mScalingMode = scalingMode;
-        mFrameCounter++;
-        mSlots[buf].mFrameNumber = mFrameCounter;
-
-        mBufferHasBeenQueued = true;
-        mDequeueCondition.broadcast();
-
-        output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint,
-                mQueue.size());
-    } // scope for the lock
-
-    // call back without lock held
-    if (listener != 0) {
-        listener->onFrameAvailable();
-    }
-    return NO_ERROR;
-}
-
-#if ANDROID_VERSION == 17
-void GonkBufferQueue::cancelBuffer(int buf, sp<Fence> fence) {
-#else
-void GonkBufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
-#endif
-
-    ST_LOGV("cancelBuffer: slot=%d", buf);
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ST_LOGW("cancelBuffer: GonkBufferQueue has been abandoned!");
-        return;
-    }
-
-    int maxBufferCount = getMaxBufferCountLocked();
-    if (buf < 0 || buf >= maxBufferCount) {
-        ST_LOGE("cancelBuffer: slot index out of range [0, %d]: %d",
-                maxBufferCount, buf);
-        return;
-    } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
-        ST_LOGE("cancelBuffer: slot %d is not owned by the client (state=%d)",
-                buf, mSlots[buf].mBufferState);
-        return;
-#if ANDROID_VERSION >= 18
-    } else if (fence == NULL) {
-        ST_LOGE("cancelBuffer: fence is NULL");
-        return;
-#endif
-    }
-    mSlots[buf].mBufferState = BufferSlot::FREE;
-    mSlots[buf].mFrameNumber = 0;
-    mSlots[buf].mFence = fence;
-    mDequeueCondition.broadcast();
-}
-
-status_t GonkBufferQueue::connect(int api, QueueBufferOutput* output) {
-    ST_LOGV("connect: api=%d", api);
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ST_LOGE("connect: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    if (mConsumerListener == NULL) {
-        ST_LOGE("connect: GonkBufferQueue has no consumer!");
-        return NO_INIT;
-    }
-
-    int err = NO_ERROR;
-    switch (api) {
-        case NATIVE_WINDOW_API_EGL:
-        case NATIVE_WINDOW_API_CPU:
-        case NATIVE_WINDOW_API_MEDIA:
-        case NATIVE_WINDOW_API_CAMERA:
-            if (mConnectedApi != NO_CONNECTED_API) {
-                ST_LOGE("connect: already connected (cur=%d, req=%d)",
-                        mConnectedApi, api);
-                err = -EINVAL;
-            } else {
-                mConnectedApi = api;
-                output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint,
-                        mQueue.size());
-            }
-            break;
-        default:
-            err = -EINVAL;
-            break;
-    }
-
-    mBufferHasBeenQueued = false;
-
-    return err;
-}
-
-status_t GonkBufferQueue::disconnect(int api) {
-    ST_LOGV("disconnect: api=%d", api);
-
-    int err = NO_ERROR;
-    sp<ConsumerListener> listener;
-
-    { // Scope for the lock
-        Mutex::Autolock lock(mMutex);
-
-        if (mAbandoned) {
-            // it is not really an error to disconnect after the surface
-            // has been abandoned, it should just be a no-op.
-            return NO_ERROR;
-        }
-
-        switch (api) {
-            case NATIVE_WINDOW_API_EGL:
-            case NATIVE_WINDOW_API_CPU:
-            case NATIVE_WINDOW_API_MEDIA:
-            case NATIVE_WINDOW_API_CAMERA:
-                if (mConnectedApi == api) {
-                    freeAllBuffersLocked();
-                    mConnectedApi = NO_CONNECTED_API;
-                    mDequeueCondition.broadcast();
-                    listener = mConsumerListener;
-                } else {
-                    ST_LOGE("disconnect: connected to another api (cur=%d, req=%d)",
-                            mConnectedApi, api);
-                    err = -EINVAL;
-                }
-                break;
-            default:
-                ST_LOGE("disconnect: unknown API %d", api);
-                err = -EINVAL;
-                break;
-        }
-    }
-
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return err;
-}
-
-void GonkBufferQueue::dumpToString(String8& result) const
-{
-    char buffer[1024];
-    GonkBufferQueue::dumpToString(result, "", buffer, 1024);
-}
-
-void GonkBufferQueue::dumpToString(String8& result, const char* prefix,
-        char* buffer, size_t SIZE) const
-{
-    Mutex::Autolock _l(mMutex);
-
-    String8 fifo;
-    int fifoSize = 0;
-    Fifo::const_iterator i(mQueue.begin());
-    while (i != mQueue.end()) {
-       snprintf(buffer, SIZE, "%02d ", *i++);
-       fifoSize++;
-       fifo.append(buffer);
-    }
-
-    int maxBufferCount = getMaxBufferCountLocked();
-
-    snprintf(buffer, SIZE,
-            "%s-BufferQueue maxBufferCount=%d, mSynchronousMode=%d, default-size=[%dx%d], "
-            "default-format=%d, transform-hint=%02x, FIFO(%d)={%s}\n",
-            prefix, maxBufferCount, mSynchronousMode, mDefaultWidth,
-            mDefaultHeight, mDefaultBufferFormat, mTransformHint,
-            fifoSize, fifo.string());
-    result.append(buffer);
-
-
-    struct {
-        const char * operator()(int state) const {
-            switch (state) {
-                case BufferSlot::DEQUEUED: return "DEQUEUED";
-                case BufferSlot::QUEUED: return "QUEUED";
-                case BufferSlot::FREE: return "FREE";
-                case BufferSlot::ACQUIRED: return "ACQUIRED";
-                default: return "Unknown";
-            }
-        }
-    } stateName;
-
-    for (int i=0 ; i<maxBufferCount ; i++) {
-        const BufferSlot& slot(mSlots[i]);
-        snprintf(buffer, SIZE,
-                "%s%s[%02d] "
-                "state=%-8s, crop=[%d,%d,%d,%d], "
-                "xform=0x%02x, time=%#llx, scale=%s",
-                prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i,
-                stateName(slot.mBufferState),
-                slot.mCrop.left, slot.mCrop.top, slot.mCrop.right,
-                slot.mCrop.bottom, slot.mTransform, slot.mTimestamp,
-                scalingModeName(slot.mScalingMode)
-        );
-        result.append(buffer);
-
-        const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
-        if (buf != NULL) {
-            snprintf(buffer, SIZE,
-                    ", %p [%4ux%4u:%4u,%3X]",
-                    buf->handle, buf->width, buf->height, buf->stride,
-                    buf->format);
-            result.append(buffer);
-        }
-        result.append("\n");
-    }
-}
-
-void GonkBufferQueue::freeAllBuffersLocked()
-{
-    ALOGW_IF(!mQueue.isEmpty(),
-            "freeAllBuffersLocked called but mQueue is not empty");
-    mQueue.clear();
-    mBufferHasBeenQueued = false;
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        mSlots[i].mGraphicBuffer = 0;
-        if (mSlots[i].mTextureClient) {
-          mSlots[i].mTextureClient->ClearRecycleCallback();
-          // release TextureClient in ImageBridge thread
-          RefPtr<TextureClientReleaseTask> task =
-            MakeAndAddRef<TextureClientReleaseTask>(mSlots[i].mTextureClient);
-          mSlots[i].mTextureClient = NULL;
-          ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-        }
-        if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) {
-            mSlots[i].mNeedsCleanupOnRelease = true;
-        }
-        mSlots[i].mBufferState = BufferSlot::FREE;
-        mSlots[i].mFrameNumber = 0;
-        mSlots[i].mAcquireCalled = false;
-        // destroy fence as GonkBufferQueue now takes ownership
-        mSlots[i].mFence = Fence::NO_FENCE;
-    }
-}
-
-status_t GonkBufferQueue::acquireBuffer(BufferItem *buffer) {
-    Mutex::Autolock _l(mMutex);
-
-    // Check that the consumer doesn't currently have the maximum number of
-    // buffers acquired.  We allow the max buffer count to be exceeded by one
-    // buffer, so that the consumer can successfully set up the newly acquired
-    // buffer before releasing the old one.
-    int numAcquiredBuffers = 0;
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) {
-            numAcquiredBuffers++;
-        }
-    }
-    if (numAcquiredBuffers >= mMaxAcquiredBufferCount+1) {
-        ST_LOGE("acquireBuffer: max acquired buffer count reached: %d (max=%d)",
-                numAcquiredBuffers, mMaxAcquiredBufferCount);
-        return INVALID_OPERATION;
-    }
-
-    // check if queue is empty
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    if (!mQueue.empty()) {
-        Fifo::iterator front(mQueue.begin());
-        int buf = *front;
-
-        // In android, when the buffer is aquired by BufferConsumer,
-        // BufferQueue releases a reference to the buffer and
-        // it's ownership moves to the BufferConsumer.
-        // In b2g, GonkBufferQueue continues to have a buffer ownership.
-        // It is necessary to free buffer via ImageBridgeChild.
-
-        //if (mSlots[buf].mAcquireCalled) {
-        //    buffer->mGraphicBuffer = NULL;
-        //} else {
-        //    buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer;
-        //}
-        buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer;
-        buffer->mCrop = mSlots[buf].mCrop;
-        buffer->mTransform = mSlots[buf].mTransform;
-        buffer->mScalingMode = mSlots[buf].mScalingMode;
-        buffer->mFrameNumber = mSlots[buf].mFrameNumber;
-        buffer->mTimestamp = mSlots[buf].mTimestamp;
-        buffer->mBuf = buf;
-        buffer->mFence = mSlots[buf].mFence;
-
-        mSlots[buf].mAcquireCalled = true;
-        mSlots[buf].mNeedsCleanupOnRelease = false;
-        mSlots[buf].mBufferState = BufferSlot::ACQUIRED;
-        mSlots[buf].mFence = Fence::NO_FENCE;
-
-        mQueue.erase(front);
-        mDequeueCondition.broadcast();
-    } else {
-        return NO_BUFFER_AVAILABLE;
-    }
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::releaseBuffer(int buf, const sp<Fence>& fence) {
-    Mutex::Autolock _l(mMutex);
-
-#if ANDROID_VERSION == 17
-    if (buf == INVALID_BUFFER_SLOT) {
-#else
-    if (buf == INVALID_BUFFER_SLOT || fence == NULL) {
-#endif
-        return BAD_VALUE;
-    }
-
-    mSlots[buf].mFence = fence;
-
-    // The buffer can now only be released if its in the acquired state
-    if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) {
-        mSlots[buf].mBufferState = BufferSlot::FREE;
-    } else if (mSlots[buf].mNeedsCleanupOnRelease) {
-        ST_LOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState);
-        mSlots[buf].mNeedsCleanupOnRelease = false;
-        return STALE_BUFFER_SLOT;
-    } else {
-        ST_LOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState);
-        return -EINVAL;
-    }
-
-    mDequeueCondition.broadcast();
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::consumerConnect(const sp<ConsumerListener>& consumerListener) {
-    ST_LOGV("consumerConnect");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ST_LOGE("consumerConnect: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-    if (consumerListener == NULL) {
-        ST_LOGE("consumerConnect: consumerListener may not be NULL");
-        return BAD_VALUE;
-    }
-
-    mConsumerListener = consumerListener;
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::consumerDisconnect() {
-    ST_LOGV("consumerDisconnect");
-    Mutex::Autolock lock(mMutex);
-
-    if (mConsumerListener == NULL) {
-        ST_LOGE("consumerDisconnect: No consumer is connected!");
-        return -EINVAL;
-    }
-
-    mAbandoned = true;
-    mConsumerListener = NULL;
-    mQueue.clear();
-    freeAllBuffersLocked();
-    mDequeueCondition.broadcast();
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::getReleasedBuffers(uint32_t* slotMask) {
-    ST_LOGV("getReleasedBuffers");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ST_LOGE("getReleasedBuffers: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    uint32_t mask = 0;
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (!mSlots[i].mAcquireCalled) {
-            mask |= 1 << i;
-        }
-    }
-    *slotMask = mask;
-
-    ST_LOGV("getReleasedBuffers: returning mask %#x", mask);
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h)
-{
-    ST_LOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
-    if (!w || !h) {
-        ST_LOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
-                w, h);
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mMutex);
-    mDefaultWidth = w;
-    mDefaultHeight = h;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setDefaultMaxBufferCount(int bufferCount) {
-    Mutex::Autolock lock(mMutex);
-    return setDefaultMaxBufferCountLocked(bufferCount);
-}
-
-status_t GonkBufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
-    Mutex::Autolock lock(mMutex);
-    if (maxAcquiredBuffers < 1 || maxAcquiredBuffers > MAX_MAX_ACQUIRED_BUFFERS) {
-        ST_LOGE("setMaxAcquiredBufferCount: invalid count specified: %d",
-                maxAcquiredBuffers);
-        return BAD_VALUE;
-    }
-    if (mConnectedApi != NO_CONNECTED_API) {
-        return INVALID_OPERATION;
-    }
-    mMaxAcquiredBufferCount = maxAcquiredBuffers;
-    return NO_ERROR;
-}
-
-int GonkBufferQueue::getMinMaxBufferCountLocked() const {
-    return getMinUndequeuedBufferCountLocked() + 1;
-}
-
-int GonkBufferQueue::getMinUndequeuedBufferCountLocked() const {
-    return mSynchronousMode ? mMaxAcquiredBufferCount :
-            mMaxAcquiredBufferCount + 1;
-}
-
-int GonkBufferQueue::getMaxBufferCountLocked() const {
-    int minMaxBufferCount = getMinMaxBufferCountLocked();
-
-    int maxBufferCount = mDefaultMaxBufferCount;
-    if (maxBufferCount < minMaxBufferCount) {
-        maxBufferCount = minMaxBufferCount;
-    }
-    if (mOverrideMaxBufferCount != 0) {
-        assert(mOverrideMaxBufferCount >= minMaxBufferCount);
-        maxBufferCount = mOverrideMaxBufferCount;
-    }
-
-    // Any buffers that are dequeued by the producer or sitting in the queue
-    // waiting to be consumed need to have their slots preserved.  Such
-    // buffers will temporarily keep the max buffer count up until the slots
-    // no longer need to be preserved.
-    for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
-        BufferSlot::BufferState state = mSlots[i].mBufferState;
-        if (state == BufferSlot::QUEUED || state == BufferSlot::DEQUEUED) {
-            maxBufferCount = i + 1;
-        }
-    }
-
-    return maxBufferCount;
-}
-
-GonkBufferQueue::ProxyConsumerListener::ProxyConsumerListener(
-        const wp<GonkBufferQueue::ConsumerListener>& consumerListener):
-        mConsumerListener(consumerListener) {}
-
-GonkBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
-
-void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable() {
-    sp<GonkBufferQueue::ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameAvailable();
-    }
-}
-
-void GonkBufferQueue::ProxyConsumerListener::onBuffersReleased() {
-    sp<GonkBufferQueue::ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueJB.h b/widget/gonk/nativewindow/GonkBufferQueueJB.h
deleted file mode 100644
index df0c4599f..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueJB.h
+++ /dev/null
@@ -1,653 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUE_JB_H
-#define NATIVEWINDOW_GONKBUFFERQUEUE_JB_H
-
-#include <gui/IGraphicBufferAlloc.h>
-#if ANDROID_VERSION == 17
-#include <gui/ISurfaceTexture.h>
-#else
-#include <gui/IGraphicBufferProducer.h>
-#endif
-
-#include <ui/Fence.h>
-#include <ui/GraphicBuffer.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-#include "mozilla/layers/LayersSurfaces.h"
-#include "mozilla/layers/TextureClient.h"
-
-#if ANDROID_VERSION == 17
-#define IGraphicBufferProducer ISurfaceTexture
-#endif
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-#if ANDROID_VERSION == 17
-class GonkBufferQueue : public BnSurfaceTexture {
-#else
-class GonkBufferQueue : public BnGraphicBufferProducer {
-#endif
-    typedef mozilla::layers::TextureClient TextureClient;
-
-public:
-    enum { MIN_UNDEQUEUED_BUFFERS = 2 };
-    enum { NUM_BUFFER_SLOTS = 32 };
-    enum { NO_CONNECTED_API = 0 };
-    enum { INVALID_BUFFER_SLOT = -1 };
-    enum { STALE_BUFFER_SLOT = 1, NO_BUFFER_AVAILABLE };
-
-    // When in async mode we reserve two slots in order to guarantee that the
-    // producer and consumer can run asynchronously.
-    enum { MAX_MAX_ACQUIRED_BUFFERS = NUM_BUFFER_SLOTS - 2 };
-
-    // ConsumerListener is the interface through which the GonkBufferQueue notifies
-    // the consumer of events that the consumer may wish to react to.  Because
-    // the consumer will generally have a mutex that is locked during calls from
-    // the consumer to the GonkBufferQueue, these calls from the GonkBufferQueue to the
-    // consumer *MUST* be called only when the GonkBufferQueue mutex is NOT locked.
-    struct ConsumerListener : public virtual RefBase {
-        // onFrameAvailable is called from queueBuffer each time an additional
-        // frame becomes available for consumption. This means that frames that
-        // are queued while in asynchronous mode only trigger the callback if no
-        // previous frames are pending. Frames queued while in synchronous mode
-        // always trigger the callback.
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onFrameAvailable() = 0;
-
-        // onBuffersReleased is called to notify the buffer consumer that the
-        // GonkBufferQueue has released its references to one or more GraphicBuffers
-        // contained in its slots.  The buffer consumer should then call
-        // GonkBufferQueue::getReleasedBuffers to retrieve the list of buffers
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onBuffersReleased() = 0;
-    };
-
-    // ProxyConsumerListener is a ConsumerListener implementation that keeps a weak
-    // reference to the actual consumer object.  It forwards all calls to that
-    // consumer object so long as it exists.
-    //
-    // This class exists to avoid having a circular reference between the
-    // GonkBufferQueue object and the consumer object.  The reason this can't be a weak
-    // reference in the GonkBufferQueue class is because we're planning to expose the
-    // consumer side of a GonkBufferQueue as a binder interface, which doesn't support
-    // weak references.
-    class ProxyConsumerListener : public GonkBufferQueue::ConsumerListener {
-    public:
-
-        ProxyConsumerListener(const wp<GonkBufferQueue::ConsumerListener>& consumerListener);
-        virtual ~ProxyConsumerListener();
-        virtual void onFrameAvailable();
-        virtual void onBuffersReleased();
-
-    private:
-
-        // mConsumerListener is a weak reference to the ConsumerListener.  This is
-        // the raison d'etre of ProxyConsumerListener.
-        wp<GonkBufferQueue::ConsumerListener> mConsumerListener;
-    };
-
-
-    // GonkBufferQueue manages a pool of gralloc memory slots to be used by
-    // producers and consumers. allowSynchronousMode specifies whether or not
-    // synchronous mode can be enabled by the producer. allocator is used to
-    // allocate all the needed gralloc buffers.
-    GonkBufferQueue(bool allowSynchronousMode = true,
-            const sp<IGraphicBufferAlloc>& allocator = NULL);
-    virtual ~GonkBufferQueue();
-
-    // Query native window attributes.  The "what" values are enumerated in
-    // window.h (e.g. NATIVE_WINDOW_FORMAT).
-    virtual int query(int what, int* value);
-
-    // setBufferCount updates the number of available buffer slots.  If this
-    // method succeeds, buffer slots will be both unallocated and owned by
-    // the GonkBufferQueue object (i.e. they are not owned by the producer or
-    // consumer).
-    //
-    // This will fail if the producer has dequeued any buffers, or if
-    // bufferCount is invalid.  bufferCount must generally be a value
-    // between the minimum undequeued buffer count and NUM_BUFFER_SLOTS
-    // (inclusive).  It may also be set to zero (the default) to indicate
-    // that the producer does not wish to set a value.  The minimum value
-    // can be obtained by calling query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
-    // ...).
-    //
-    // This may only be called by the producer.  The consumer will be told
-    // to discard buffers through the onBuffersReleased callback.
-    virtual status_t setBufferCount(int bufferCount);
-
-    // requestBuffer returns the GraphicBuffer for slot N.
-    //
-    // In normal operation, this is called the first time slot N is returned
-    // by dequeueBuffer.  It must be called again if dequeueBuffer returns
-    // flags indicating that previously-returned buffers are no longer valid.
-    virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
-
-    // dequeueBuffer gets the next buffer slot index for the producer to use.
-    // If a buffer slot is available then that slot index is written to the
-    // location pointed to by the buf argument and a status of OK is returned.
-    // If no slot is available then a status of -EBUSY is returned and buf is
-    // unmodified.
-    //
-    // The fence parameter will be updated to hold the fence associated with
-    // the buffer. The contents of the buffer must not be overwritten until the
-    // fence signals. If the fence is Fence::NO_FENCE, the buffer may be
-    // written immediately.
-    //
-    // The width and height parameters must be no greater than the minimum of
-    // GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
-    // An error due to invalid dimensions might not be reported until
-    // updateTexImage() is called.  If width and height are both zero, the
-    // default values specified by setDefaultBufferSize() are used instead.
-    //
-    // The pixel formats are enumerated in graphics.h, e.g.
-    // HAL_PIXEL_FORMAT_RGBA_8888.  If the format is 0, the default format
-    // will be used.
-    //
-    // The usage argument specifies gralloc buffer usage flags.  The values
-    // are enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER.  These
-    // will be merged with the usage flags specified by setConsumerUsageBits.
-    //
-    // The return value may be a negative error value or a non-negative
-    // collection of flags.  If the flags are set, the return values are
-    // valid, but additional actions must be performed.
-    //
-    // If IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION is set, the
-    // producer must discard cached GraphicBuffer references for the slot
-    // returned in buf.
-    // If IGraphicBufferProducer::RELEASE_ALL_BUFFERS is set, the producer
-    // must discard cached GraphicBuffer references for all slots.
-    //
-    // In both cases, the producer will need to call requestBuffer to get a
-    // GraphicBuffer handle for the returned slot.
-#if ANDROID_VERSION == 17
-    virtual status_t dequeueBuffer(int *buf, sp<Fence>& fence,
-            uint32_t width, uint32_t height, uint32_t format, uint32_t usage) {
-        return dequeueBuffer(buf, &fence, width, height, format, usage);
-    }
-#endif
-
-    virtual status_t dequeueBuffer(int *buf, sp<Fence>* fence,
-            uint32_t width, uint32_t height, uint32_t format, uint32_t usage);
-
-    // queueBuffer returns a filled buffer to the GonkBufferQueue.
-    //
-    // Additional data is provided in the QueueBufferInput struct.  Notably,
-    // a timestamp must be provided for the buffer. The timestamp is in
-    // nanoseconds, and must be monotonically increasing. Its other semantics
-    // (zero point, etc) are producer-specific and should be documented by the
-    // producer.
-    //
-    // The caller may provide a fence that signals when all rendering
-    // operations have completed.  Alternatively, NO_FENCE may be used,
-    // indicating that the buffer is ready immediately.
-    //
-    // Some values are returned in the output struct: the current settings
-    // for default width and height, the current transform hint, and the
-    // number of queued buffers.
-    virtual status_t queueBuffer(int buf,
-            const QueueBufferInput& input, QueueBufferOutput* output);
-
-    // cancelBuffer returns a dequeued buffer to the GonkBufferQueue, but doesn't
-    // queue it for use by the consumer.
-    //
-    // The buffer will not be overwritten until the fence signals.  The fence
-    // will usually be the one obtained from dequeueBuffer.
-#if ANDROID_VERSION == 17
-    virtual void cancelBuffer(int buf, sp<Fence> fence);
-#else
-    virtual void cancelBuffer(int buf, const sp<Fence>& fence);
-#endif
-
-    // setSynchronousMode sets whether dequeueBuffer is synchronous or
-    // asynchronous. In synchronous mode, dequeueBuffer blocks until
-    // a buffer is available, the currently bound buffer can be dequeued and
-    // queued buffers will be acquired in order.  In asynchronous mode,
-    // a queued buffer may be replaced by a subsequently queued buffer.
-    //
-    // The default mode is synchronous.
-    // This should be called only during initialization.
-    virtual status_t setSynchronousMode(bool enabled);
-
-    // connect attempts to connect a producer API to the GonkBufferQueue.  This
-    // must be called before any other IGraphicBufferProducer methods are
-    // called except for getAllocator.  A consumer must already be connected.
-    //
-    // This method will fail if connect was previously called on the
-    // GonkBufferQueue and no corresponding disconnect call was made (i.e. if
-    // it's still connected to a producer).
-    //
-    // APIs are enumerated in window.h (e.g. NATIVE_WINDOW_API_CPU).
-    virtual status_t connect(int api, QueueBufferOutput* output);
-
-    // disconnect attempts to disconnect a producer API from the GonkBufferQueue.
-    // Calling this method will cause any subsequent calls to other
-    // IGraphicBufferProducer methods to fail except for getAllocator and connect.
-    // Successfully calling connect after this will allow the other methods to
-    // succeed again.
-    //
-    // This method will fail if the the GonkBufferQueue is not currently
-    // connected to the specified producer API.
-    virtual status_t disconnect(int api);
-
-    // dump our state in a String
-    virtual void dumpToString(String8& result) const;
-    virtual void dumpToString(String8& result, const char* prefix, char* buffer, size_t SIZE) const;
-
-    // public facing structure for BufferSlot
-    struct BufferItem {
-
-        BufferItem()
-         :
-           mTransform(0),
-           mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-           mTimestamp(0),
-           mFrameNumber(0),
-           mBuf(INVALID_BUFFER_SLOT) {
-             mCrop.makeInvalid();
-        }
-        // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
-        // if the buffer in this slot has been acquired in the past (see
-        // BufferSlot.mAcquireCalled).
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mCrop is the current crop rectangle for this buffer slot.
-        Rect mCrop;
-
-        // mTransform is the current transform flags for this buffer slot.
-        uint32_t mTransform;
-
-        // mScalingMode is the current scaling mode for this buffer slot.
-        uint32_t mScalingMode;
-
-        // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued.
-        int64_t mTimestamp;
-
-        // mFrameNumber is the number of the queued frame for this slot.
-        uint64_t mFrameNumber;
-
-        // mBuf is the slot index of this buffer
-        int mBuf;
-
-        // mFence is a fence that will signal when the buffer is idle.
-        sp<Fence> mFence;
-    };
-
-    // The following public functions are the consumer-facing interface
-
-    // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the GonkBufferQueue.  If no buffer is pending then it returns -EINVAL.  If a
-    // buffer is successfully acquired, the information about the buffer is
-    // returned in BufferItem.  If the buffer returned had previously been
-    // acquired then the BufferItem::mGraphicBuffer field of buffer is set to
-    // NULL and it is assumed that the consumer still holds a reference to the
-    // buffer.
-    status_t acquireBuffer(BufferItem *buffer);
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // GonkBufferQueue.  This may be done while the buffer's contents are still
-    // being accessed.  The fence will signal when the buffer is no longer
-    // in use.
-    //
-    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
-    // any references to the just-released buffer that it might have, as if it
-    // had received a onBuffersReleased() call with a mask set for the released
-    // buffer.
-    //
-    // Note that the dependencies on EGL will be removed once we switch to using
-    // the Android HW Sync HAL.
-    status_t releaseBuffer(int buf, const sp<Fence>& releaseFence);
-
-    // consumerConnect connects a consumer to the GonkBufferQueue.  Only one
-    // consumer may be connected, and when that consumer disconnects the
-    // GonkBufferQueue is placed into the "abandoned" state, causing most
-    // interactions with the GonkBufferQueue by the producer to fail.
-    //
-    // consumer may not be NULL.
-    status_t consumerConnect(const sp<ConsumerListener>& consumer);
-
-    // consumerDisconnect disconnects a consumer from the GonkBufferQueue. All
-    // buffers will be freed and the GonkBufferQueue is placed in the "abandoned"
-    // state, causing most interactions with the GonkBufferQueue by the producer to
-    // fail.
-    status_t consumerDisconnect();
-
-    // getReleasedBuffers sets the value pointed to by slotMask to a bit mask
-    // indicating which buffer slots have been released by the GonkBufferQueue
-    // but have not yet been released by the consumer.
-    //
-    // This should be called from the onBuffersReleased() callback.
-    status_t getReleasedBuffers(uint32_t* slotMask);
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // dequeueBuffer when a width and height of zero is requested.  Default
-    // is 1x1.
-    status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-
-    // setDefaultMaxBufferCount sets the default value for the maximum buffer
-    // count (the initial default is 2). If the producer has requested a
-    // buffer count using setBufferCount, the default buffer count will only
-    // take effect if the producer sets the count back to zero.
-    //
-    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    status_t setDefaultMaxBufferCount(int bufferCount);
-
-    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
-    // be acquired by the consumer at one time (default 1).  This call will
-    // fail if a producer is connected to the GonkBufferQueue.
-    status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
-
-    // isSynchronousMode returns whether the GonkBufferQueue is currently in
-    // synchronous mode.
-    bool isSynchronousMode() const;
-
-    // setConsumerName sets the name used in logging
-    void setConsumerName(const String8& name);
-
-    // setDefaultBufferFormat allows the GonkBufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
-    // These are merged with the bits passed to dequeueBuffer.  The values are
-    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    status_t setConsumerUsageBits(uint32_t usage);
-
-    // setTransformHint bakes in rotation to buffers so overlays can be used.
-    // The values are enumerated in window.h, e.g.
-    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    status_t setTransformHint(uint32_t hint);
-
-    already_AddRefed<TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    int getSlotFromTextureClientLocked(TextureClient* client) const;
-
-private:
-    // freeBufferLocked frees the GraphicBuffer and sync resources for the
-    // given slot.
-    //void freeBufferLocked(int index);
-
-    // freeAllBuffersLocked frees the GraphicBuffer and sync resources for
-    // all slots.
-    //void freeAllBuffersLocked();
-    void freeAllBuffersLocked();
-
-    // setDefaultMaxBufferCountLocked sets the maximum number of buffer slots
-    // that will be used if the producer does not override the buffer slot
-    // count.  The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    // The initial default is 2.
-    status_t setDefaultMaxBufferCountLocked(int count);
-
-    // getMinBufferCountLocked returns the minimum number of buffers allowed
-    // given the current GonkBufferQueue state.
-    int getMinMaxBufferCountLocked() const;
-
-    // getMinUndequeuedBufferCountLocked returns the minimum number of buffers
-    // that must remain in a state other than DEQUEUED.
-    int getMinUndequeuedBufferCountLocked() const;
-
-    // getMaxBufferCountLocked returns the maximum number of buffers that can
-    // be allocated at once.  This value depends upon the following member
-    // variables:
-    //
-    //      mSynchronousMode
-    //      mMaxAcquiredBufferCount
-    //      mDefaultMaxBufferCount
-    //      mOverrideMaxBufferCount
-    //
-    // Any time one of these member variables is changed while a producer is
-    // connected, mDequeueCondition must be broadcast.
-    int getMaxBufferCountLocked() const;
-
-    struct BufferSlot {
-
-        BufferSlot()
-        : mBufferState(BufferSlot::FREE),
-          mRequestBufferCalled(false),
-          mTransform(0),
-          mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-          mTimestamp(0),
-          mFrameNumber(0),
-          mAcquireCalled(false),
-          mNeedsCleanupOnRelease(false) {
-            mCrop.makeInvalid();
-        }
-
-        // mGraphicBuffer points to the buffer allocated for this slot or is NULL
-        // if no buffer has been allocated.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mTextureClient is a thin abstraction over remotely allocated GraphicBuffer.
-        RefPtr<TextureClient> mTextureClient;
-
-        // BufferState represents the different states in which a buffer slot
-        // can be.  All slots are initially FREE.
-        enum BufferState {
-            // FREE indicates that the buffer is available to be dequeued
-            // by the producer.  The buffer may be in use by the consumer for
-            // a finite time, so the buffer must not be modified until the
-            // associated fence is signaled.
-            //
-            // The slot is "owned" by GonkBufferQueue.  It transitions to DEQUEUED
-            // when dequeueBuffer is called.
-            FREE = 0,
-
-            // DEQUEUED indicates that the buffer has been dequeued by the
-            // producer, but has not yet been queued or canceled.  The
-            // producer may modify the buffer's contents as soon as the
-            // associated ready fence is signaled.
-            //
-            // The slot is "owned" by the producer.  It can transition to
-            // QUEUED (via queueBuffer) or back to FREE (via cancelBuffer).
-            DEQUEUED = 1,
-
-            // QUEUED indicates that the buffer has been filled by the
-            // producer and queued for use by the consumer.  The buffer
-            // contents may continue to be modified for a finite time, so
-            // the contents must not be accessed until the associated fence
-            // is signaled.
-            //
-            // The slot is "owned" by GonkBufferQueue.  It can transition to
-            // ACQUIRED (via acquireBuffer) or to FREE (if another buffer is
-            // queued in asynchronous mode).
-            QUEUED = 2,
-
-            // ACQUIRED indicates that the buffer has been acquired by the
-            // consumer.  As with QUEUED, the contents must not be accessed
-            // by the consumer until the fence is signaled.
-            //
-            // The slot is "owned" by the consumer.  It transitions to FREE
-            // when releaseBuffer is called.
-            ACQUIRED = 3
-        };
-
-        // mBufferState is the current state of this buffer slot.
-        BufferState mBufferState;
-
-        // mRequestBufferCalled is used for validating that the producer did
-        // call requestBuffer() when told to do so. Technically this is not
-        // needed but useful for debugging and catching producer bugs.
-        bool mRequestBufferCalled;
-
-        // mCrop is the current crop rectangle for this buffer slot.
-        Rect mCrop;
-
-        // mTransform is the current transform flags for this buffer slot.
-        // (example: NATIVE_WINDOW_TRANSFORM_ROT_90)
-        uint32_t mTransform;
-
-        // mScalingMode is the current scaling mode for this buffer slot.
-        // (example: NATIVE_WINDOW_SCALING_MODE_FREEZE)
-        uint32_t mScalingMode;
-
-        // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued.
-        int64_t mTimestamp;
-
-        // mFrameNumber is the number of the queued frame for this slot.  This
-        // is used to dequeue buffers in LRU order (useful because buffers
-        // may be released before their release fence is signaled).
-        uint64_t mFrameNumber;
-
-        // mEglFence is the EGL sync object that must signal before the buffer
-        // associated with this buffer slot may be dequeued. It is initialized
-        // to EGL_NO_SYNC_KHR when the buffer is created and may be set to a
-        // new sync object in releaseBuffer.  (This is deprecated in favor of
-        // mFence, below.)
-        //EGLSyncKHR mEglFence;
-
-        // mFence is a fence which will signal when work initiated by the
-        // previous owner of the buffer is finished. When the buffer is FREE,
-        // the fence indicates when the consumer has finished reading
-        // from the buffer, or when the producer has finished writing if it
-        // called cancelBuffer after queueing some writes. When the buffer is
-        // QUEUED, it indicates when the producer has finished filling the
-        // buffer. When the buffer is DEQUEUED or ACQUIRED, the fence has been
-        // passed to the consumer or producer along with ownership of the
-        // buffer, and mFence is set to NO_FENCE.
-        sp<Fence> mFence;
-
-        // Indicates whether this buffer has been seen by a consumer yet
-        bool mAcquireCalled;
-
-        // Indicates whether this buffer needs to be cleaned up by the
-        // consumer.  This is set when a buffer in ACQUIRED state is freed.
-        // It causes releaseBuffer to return STALE_BUFFER_SLOT.
-        bool mNeedsCleanupOnRelease;
-    };
-
-    // mSlots is the array of buffer slots that must be mirrored on the
-    // producer side. This allows buffer ownership to be transferred between
-    // the producer and consumer without sending a GraphicBuffer over binder.
-    // The entire array is initialized to NULL at construction time, and
-    // buffers are allocated for a slot when requestBuffer is called with
-    // that slot's index.
-    BufferSlot mSlots[NUM_BUFFER_SLOTS];
-
-    // mDefaultWidth holds the default width of allocated buffers. It is used
-    // in dequeueBuffer() if a width and height of zero is specified.
-    uint32_t mDefaultWidth;
-
-    // mDefaultHeight holds the default height of allocated buffers. It is used
-    // in dequeueBuffer() if a width and height of zero is specified.
-    uint32_t mDefaultHeight;
-
-    // mMaxAcquiredBufferCount is the number of buffers that the consumer may
-    // acquire at one time.  It defaults to 1 and can be changed by the
-    // consumer via the setMaxAcquiredBufferCount method, but this may only be
-    // done when no producer is connected to the GonkBufferQueue.
-    //
-    // This value is used to derive the value returned for the
-    // MIN_UNDEQUEUED_BUFFERS query by the producer.
-    int mMaxAcquiredBufferCount;
-
-    // mDefaultMaxBufferCount is the default limit on the number of buffers
-    // that will be allocated at one time.  This default limit is set by the
-    // consumer.  The limit (as opposed to the default limit) may be
-    // overridden by the producer.
-    int mDefaultMaxBufferCount;
-
-    // mOverrideMaxBufferCount is the limit on the number of buffers that will
-    // be allocated at one time. This value is set by the image producer by
-    // calling setBufferCount. The default is zero, which means the producer
-    // doesn't care about the number of buffers in the pool. In that case
-    // mDefaultMaxBufferCount is used as the limit.
-    int mOverrideMaxBufferCount;
-
-    // mGraphicBufferAlloc is the connection to SurfaceFlinger that is used to
-    // allocate new GraphicBuffer objects.
-    sp<IGraphicBufferAlloc> mGraphicBufferAlloc;
-
-    // mConsumerListener is used to notify the connected consumer of
-    // asynchronous events that it may wish to react to.  It is initially set
-    // to NULL and is written by consumerConnect and consumerDisconnect.
-    sp<ConsumerListener> mConsumerListener;
-
-    // mSynchronousMode whether we're in synchronous mode or not
-    bool mSynchronousMode;
-
-    // mAllowSynchronousMode whether we allow synchronous mode or not.  Set
-    // when the GonkBufferQueue is created (by the consumer).
-    const bool mAllowSynchronousMode;
-
-    // mConnectedApi indicates the producer API that is currently connected
-    // to this GonkBufferQueue.  It defaults to NO_CONNECTED_API (= 0), and gets
-    // updated by the connect and disconnect methods.
-    int mConnectedApi;
-
-    // mDequeueCondition condition used for dequeueBuffer in synchronous mode
-    mutable Condition mDequeueCondition;
-
-    // mQueue is a FIFO of queued buffers used in synchronous mode
-    typedef Vector<int> Fifo;
-    Fifo mQueue;
-
-    // mAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume image buffers pushed to it using the IGraphicBufferProducer
-    // interface.  It is initialized to false, and set to true in the
-    // consumerDisconnect method.  A GonkBufferQueue that has been abandoned will
-    // return the NO_INIT error from all IGraphicBufferProducer methods
-    // capable of returning an error.
-    bool mAbandoned;
-
-    // mConsumerName is a string used to identify the GonkBufferQueue in log
-    // messages.  It is set by the setConsumerName method.
-    String8 mConsumerName;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkBufferQueue objects. It must be locked whenever the
-    // member variables are accessed.
-    mutable Mutex mMutex;
-
-    // mFrameCounter is the free running counter, incremented on every
-    // successful queueBuffer call.
-    uint64_t mFrameCounter;
-
-    // mBufferHasBeenQueued is true once a buffer has been queued.  It is
-    // reset when something causes all buffers to be freed (e.g. changing the
-    // buffer count).
-    bool mBufferHasBeenQueued;
-
-    // mDefaultBufferFormat can be set so it will override
-    // the buffer format when it isn't specified in dequeueBuffer
-    uint32_t mDefaultBufferFormat;
-
-    // mConsumerUsageBits contains flags the consumer wants for GraphicBuffers
-    uint32_t mConsumerUsageBits;
-
-    // mTransformHint is used to optimize for screen rotations
-    uint32_t mTransformHint;
-
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_GUI_BUFFERQUEUE_H
diff --git a/widget/gonk/nativewindow/GonkBufferQueueKK.cpp b/widget/gonk/nativewindow/GonkBufferQueueKK.cpp
deleted file mode 100644
index 0c5cdfeb9..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueKK.cpp
+++ /dev/null
@@ -1,1265 +0,0 @@
-/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkBufferQueue"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#define GL_GLEXT_PROTOTYPES
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <utils/Log.h>
-#include <utils/Trace.h>
-#include <utils/CallStack.h>
-#include <cutils/compiler.h>
-
-#include "mozilla/layers/GrallocTextureClient.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-#include "GonkBufferQueueKK.h"
-
-#define ATRACE_BUFFER_INDEX(index)
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::layers;
-
-namespace android {
-
-// Get an ID that's unique within this process.
-static int32_t createProcessUniqueId() {
-    static volatile int32_t globalCounter = 0;
-    return android_atomic_inc(&globalCounter);
-}
-
-static const char* scalingModeName(int scalingMode) {
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
-        default: return "Unknown";
-    }
-}
-
-GonkBufferQueue::GonkBufferQueue(bool allowSynchronousMode,
-        const sp<IGraphicBufferAlloc>& allocator) :
-    mDefaultWidth(1),
-    mDefaultHeight(1),
-    mMaxAcquiredBufferCount(1),
-    mDefaultMaxBufferCount(2),
-    mOverrideMaxBufferCount(0),
-    mSynchronousMode(true),
-    mConsumerControlledByApp(false),
-    mDequeueBufferCannotBlock(false),
-    mUseAsyncBuffer(true),
-    mConnectedApi(NO_CONNECTED_API),
-    mAbandoned(false),
-    mFrameCounter(0),
-    mBufferHasBeenQueued(false),
-    mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
-    mConsumerUsageBits(0),
-    mTransformHint(0)
-{
-    // Choose a name using the PID and a process-unique ID.
-    mConsumerName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
-
-    ALOGV("GonkBufferQueue");
-}
-
-GonkBufferQueue::~GonkBufferQueue() {
-    ALOGV("~GonkBufferQueue");
-}
-
-status_t GonkBufferQueue::setDefaultMaxBufferCountLocked(int count) {
-    if (count < 2 || count > NUM_BUFFER_SLOTS)
-        return BAD_VALUE;
-
-    mDefaultMaxBufferCount = count;
-    mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-void GonkBufferQueue::setConsumerName(const String8& name) {
-    Mutex::Autolock lock(mMutex);
-    mConsumerName = name;
-}
-
-status_t GonkBufferQueue::setDefaultBufferFormat(uint32_t defaultFormat) {
-    Mutex::Autolock lock(mMutex);
-    mDefaultBufferFormat = defaultFormat;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setConsumerUsageBits(uint32_t usage) {
-    Mutex::Autolock lock(mMutex);
-    mConsumerUsageBits = usage;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setTransformHint(uint32_t hint) {
-    ALOGV("setTransformHint: %02x", hint);
-    Mutex::Autolock lock(mMutex);
-    mTransformHint = hint;
-    return NO_ERROR;
-}
-
-already_AddRefed<TextureClient>
-GonkBufferQueue::getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
-{
-    Mutex::Autolock _l(mMutex);
-    if (buffer == NULL) {
-        ALOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return nullptr;
-    }
-
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
-             RefPtr<TextureClient> client(mSlots[i].mTextureClient);
-             return client.forget();
-        }
-    }
-    ALOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
-    return nullptr;
-}
-
-int GonkBufferQueue::getSlotFromTextureClientLocked(
-        TextureClient* client) const
-{
-    if (client == NULL) {
-        ALOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return BAD_VALUE;
-    }
-
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mTextureClient == client) {
-            return i;
-        }
-    }
-    ALOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client);
-    return BAD_VALUE;
-}
-
-status_t GonkBufferQueue::setBufferCount(int bufferCount) {
-    ALOGV("setBufferCount: count=%d", bufferCount);
-
-    sp<IConsumerListener> listener;
-    {
-        Mutex::Autolock lock(mMutex);
-
-        if (mAbandoned) {
-            ALOGE("setBufferCount: GonkBufferQueue has been abandoned!");
-            return NO_INIT;
-        }
-        if (bufferCount > NUM_BUFFER_SLOTS) {
-            ALOGE("setBufferCount: bufferCount too large (max %d)",
-                    NUM_BUFFER_SLOTS);
-            return BAD_VALUE;
-        }
-
-        // Error out if the user has dequeued buffers
-        for (int i=0 ; i<NUM_BUFFER_SLOTS; i++) {
-            if (mSlots[i].mBufferState == BufferSlot::DEQUEUED) {
-                ALOGE("setBufferCount: client owns some buffers");
-                return -EINVAL;
-            }
-        }
-
-        if (bufferCount == 0) {
-            mOverrideMaxBufferCount = 0;
-            mDequeueCondition.broadcast();
-            return NO_ERROR;
-        }
-
-        // fine to assume async to false before we're setting the buffer count
-        const int minBufferSlots = getMinMaxBufferCountLocked(false);
-        if (bufferCount < minBufferSlots) {
-            ALOGE("setBufferCount: requested buffer count (%d) is less than "
-                    "minimum (%d)", bufferCount, minBufferSlots);
-            return BAD_VALUE;
-        }
-
-        // here we're guaranteed that the client doesn't have dequeued buffers
-        // and will release all of its buffer references.  We don't clear the
-        // queue, however, so currently queued buffers still get displayed.
-        // XXX: Should this use drainQueueAndFreeBuffersLocked instead?
-        freeAllBuffersLocked();
-        mOverrideMaxBufferCount = bufferCount;
-        mDequeueCondition.broadcast();
-        listener = mConsumerListener;
-    } // scope for lock
-
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return NO_ERROR;
-}
-
-int GonkBufferQueue::query(int what, int* outValue)
-{
-    ATRACE_CALL();
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ALOGE("query: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    int value;
-    switch (what) {
-    case NATIVE_WINDOW_WIDTH:
-        value = mDefaultWidth;
-        break;
-    case NATIVE_WINDOW_HEIGHT:
-        value = mDefaultHeight;
-        break;
-    case NATIVE_WINDOW_FORMAT:
-        value = mDefaultBufferFormat;
-        break;
-    case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
-        value = getMinUndequeuedBufferCount(false);
-        break;
-    case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
-        value = (mQueue.size() >= 2);
-        break;
-    case NATIVE_WINDOW_CONSUMER_USAGE_BITS:
-        value = mConsumerUsageBits;
-        break;
-    default:
-        return BAD_VALUE;
-    }
-    outValue[0] = value;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
-    ATRACE_CALL();
-    ALOGV("requestBuffer: slot=%d", slot);
-    Mutex::Autolock lock(mMutex);
-    if (mAbandoned) {
-        ALOGE("requestBuffer: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-    if (slot < 0 || slot >= NUM_BUFFER_SLOTS) {
-        ALOGE("requestBuffer: slot index out of range [0, %d]: %d",
-                NUM_BUFFER_SLOTS, slot);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != BufferSlot::DEQUEUED) {
-        ALOGE("requestBuffer: slot %d is not owned by the client (state=%d)",
-                slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    }
-    mSlots[slot].mRequestBufferCalled = true;
-    *buf = mSlots[slot].mGraphicBuffer;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::dequeueBuffer(int *outBuf, sp<Fence>* outFence, bool async,
-            uint32_t w, uint32_t h, uint32_t format, uint32_t usage) {
-    ATRACE_CALL();
-    ALOGV("dequeueBuffer: w=%d h=%d fmt=%#x usage=%#x", w, h, format, usage);
-
-    if ((w && !h) || (!w && h)) {
-        ALOGE("dequeueBuffer: invalid size: w=%u, h=%u", w, h);
-        return BAD_VALUE;
-    }
-
-    status_t returnFlags(OK);
-    int buf = INVALID_BUFFER_SLOT;
-
-    { // Scope for the lock
-        Mutex::Autolock lock(mMutex);
-
-        if (format == 0) {
-            format = mDefaultBufferFormat;
-        }
-        // turn on usage bits the consumer requested
-        usage |= mConsumerUsageBits;
-
-        int found = -1;
-        bool tryAgain = true;
-        while (tryAgain) {
-            if (mAbandoned) {
-                ALOGE("dequeueBuffer: GonkBufferQueue has been abandoned!");
-                return NO_INIT;
-            }
-
-            const int maxBufferCount = getMaxBufferCountLocked(async);
-            if (async && mOverrideMaxBufferCount) {
-                // FIXME: some drivers are manually setting the buffer-count (which they
-                // shouldn't), so we do this extra test here to handle that case.
-                // This is TEMPORARY, until we get this fixed.
-                if (mOverrideMaxBufferCount < maxBufferCount) {
-                    ALOGE("dequeueBuffer: async mode is invalid with buffercount override");
-                    return BAD_VALUE;
-                }
-            }
-
-            // Free up any buffers that are in slots beyond the max buffer
-            // count.
-            //for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
-            //    assert(mSlots[i].mBufferState == BufferSlot::FREE);
-            //    if (mSlots[i].mGraphicBuffer != NULL) {
-            //        freeBufferLocked(i);
-            //        returnFlags |= IGraphicBufferProducer::RELEASE_ALL_BUFFERS;
-            //    }
-            //}
-
-            // look for a free buffer to give to the client
-            found = INVALID_BUFFER_SLOT;
-            int dequeuedCount = 0;
-            int acquiredCount = 0;
-            for (int i = 0; i < maxBufferCount; i++) {
-                const int state = mSlots[i].mBufferState;
-                switch (state) {
-                    case BufferSlot::DEQUEUED:
-                    dequeuedCount++;
-                        break;
-                    case BufferSlot::ACQUIRED:
-                        acquiredCount++;
-                        break;
-                    case BufferSlot::FREE:
-                    /* We return the oldest of the free buffers to avoid
-                     * stalling the producer if possible.  This is because
-                     * the consumer may still have pending reads of the
-                     * buffers in flight.
-                     */
-                    if ((found < 0) ||
-                            mSlots[i].mFrameNumber < mSlots[found].mFrameNumber) {
-                        found = i;
-                    }
-                        break;
-                }
-            }
-
-            // clients are not allowed to dequeue more than one buffer
-            // if they didn't set a buffer count.
-            if (!mOverrideMaxBufferCount && dequeuedCount) {
-                ALOGE("dequeueBuffer: can't dequeue multiple buffers without "
-                        "setting the buffer count");
-                return -EINVAL;
-            }
-
-            // See whether a buffer has been queued since the last
-            // setBufferCount so we know whether to perform the min undequeued
-            // buffers check below.
-            if (mBufferHasBeenQueued) {
-                // make sure the client is not trying to dequeue more buffers
-                // than allowed.
-                const int newUndequeuedCount = maxBufferCount - (dequeuedCount+1);
-                const int minUndequeuedCount = getMinUndequeuedBufferCount(async);
-                if (newUndequeuedCount < minUndequeuedCount) {
-                    ALOGE("dequeueBuffer: min undequeued buffer count (%d) "
-                            "exceeded (dequeued=%d undequeudCount=%d)",
-                            minUndequeuedCount, dequeuedCount,
-                            newUndequeuedCount);
-                    return -EBUSY;
-                }
-            }
-
-            // If no buffer is found, wait for a buffer to be released or for
-            // the max buffer count to change.
-            tryAgain = found == INVALID_BUFFER_SLOT;
-            if (tryAgain) {
-                // return an error if we're in "cannot block" mode (producer and consumer
-                // are controlled by the application) -- however, the consumer is allowed
-                // to acquire briefly an extra buffer (which could cause us to have to wait here)
-                // and that's okay because we know the wait will be brief (it happens
-                // if we dequeue a buffer while the consumer has acquired one but not released
-                // the old one yet -- for e.g.: see GLConsumer::updateTexImage()).
-                if (mDequeueBufferCannotBlock && (acquiredCount <= mMaxAcquiredBufferCount)) {
-                    ALOGE("dequeueBuffer: would block! returning an error instead.");
-                    return WOULD_BLOCK;
-                }
-                mDequeueCondition.wait(mMutex);
-            }
-        }
-
-
-        if (found == INVALID_BUFFER_SLOT) {
-            // This should not happen.
-            ALOGE("dequeueBuffer: no available buffer slots");
-            return -EBUSY;
-        }
-
-        buf = found;
-        *outBuf = found;
-
-        const bool useDefaultSize = !w && !h;
-        if (useDefaultSize) {
-            // use the default size
-            w = mDefaultWidth;
-            h = mDefaultHeight;
-        }
-
-        mSlots[buf].mBufferState = BufferSlot::DEQUEUED;
-
-        const sp<GraphicBuffer>& buffer(mSlots[buf].mGraphicBuffer);
-        if ((buffer == NULL) ||
-            (uint32_t(buffer->width)  != w) ||
-            (uint32_t(buffer->height) != h) ||
-            (uint32_t(buffer->format) != format) ||
-            ((uint32_t(buffer->usage) & usage) != usage))
-        {
-            mSlots[buf].mAcquireCalled = false;
-            mSlots[buf].mGraphicBuffer = NULL;
-            mSlots[buf].mRequestBufferCalled = false;
-            mSlots[buf].mFence = Fence::NO_FENCE;
-            if (mSlots[buf].mTextureClient) {
-              mSlots[buf].mTextureClient->ClearRecycleCallback();
-              // release TextureClient in ImageBridge thread
-              RefPtr<TextureClientReleaseTask> task =
-                MakeAndAddRef<TextureClientReleaseTask>(mSlots[buf].mTextureClient);
-              mSlots[buf].mTextureClient = NULL;
-              ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-            }
-            returnFlags |= IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION;
-        }
-
-
-        if (CC_UNLIKELY(mSlots[buf].mFence == NULL)) {
-            ALOGE("dequeueBuffer: about to return a NULL fence from mSlot. "
-                    "buf=%d, w=%d, h=%d, format=%d",
-                    buf, buffer->width, buffer->height, buffer->format);
-        }
-        *outFence = mSlots[buf].mFence;
-        mSlots[buf].mFence = Fence::NO_FENCE;
-    }  // end lock scope
-
-    if (returnFlags & IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION) {
-
-        RefPtr<LayersIPCChannel> allocator = ImageBridgeChild::GetSingleton();
-        usage |= GraphicBuffer::USAGE_HW_TEXTURE;
-        GrallocTextureData* texData = GrallocTextureData::Create(IntSize(w, h), format,
-                                                                 gfx::BackendType::NONE, usage,
-                                                                 allocator);
-        if (!texData) {
-            return -ENOMEM;
-        }
-
-        RefPtr<TextureClient> textureClient = new TextureClient(texData, TextureFlags::RECYCLE | TextureFlags::DEALLOCATE_CLIENT, allocator);
-
-        { // Scope for the lock
-            Mutex::Autolock lock(mMutex);
-
-            if (mAbandoned) {
-                ALOGE("dequeueBuffer: SurfaceTexture has been abandoned!");
-                return NO_INIT;
-            }
-
-            mSlots[buf].mGraphicBuffer = texData->GetGraphicBuffer();
-            mSlots[buf].mTextureClient = textureClient;
-            ALOGD("dequeueBuffer: returning slot=%d buf=%p ", buf,
-                    mSlots[buf].mGraphicBuffer->handle);
-
-        }
-
-    }
-
-    ALOGV("dequeueBuffer: returning slot=%d/%llu buf=%p flags=%#x", *outBuf,
-            mSlots[*outBuf].mFrameNumber,
-            mSlots[*outBuf].mGraphicBuffer->handle, returnFlags);
-
-    return returnFlags;
-}
-
-status_t GonkBufferQueue::setSynchronousMode(bool enabled) {
-    ALOGV("setSynchronousMode: enabled=%d", enabled);
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ALOGE("setSynchronousMode: BufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    if (mSynchronousMode != enabled) {
-        mSynchronousMode = enabled;
-        mDequeueCondition.broadcast();
-    }
-    return OK;
-}
-
-status_t GonkBufferQueue::queueBuffer(int buf,
-        const QueueBufferInput& input, QueueBufferOutput* output) {
-    ATRACE_CALL();
-
-    Rect crop;
-    uint32_t transform;
-    int scalingMode;
-    int64_t timestamp;
-    bool isAutoTimestamp;
-    bool async;
-    sp<Fence> fence;
-
-    input.deflate(&timestamp, &isAutoTimestamp, &crop, &scalingMode, &transform,
-             &async, &fence);
-
-    if (fence == NULL) {
-        ALOGE("queueBuffer: fence is NULL");
-        return BAD_VALUE;
-    }
-
-    ALOGV("queueBuffer: slot=%d time=%#llx crop=[%d,%d,%d,%d] tr=%#x "
-            "scale=%s",
-            buf, timestamp, crop.left, crop.top, crop.right, crop.bottom,
-            transform, scalingModeName(scalingMode));
-
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE:
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
-        case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP:
-            break;
-        default:
-            ALOGE("unknown scaling mode: %d", scalingMode);
-            return -EINVAL;
-    }
-
-    sp<IConsumerListener> listener;
-
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-
-        if (mAbandoned) {
-            ALOGE("queueBuffer: GonkBufferQueue has been abandoned!");
-            return NO_INIT;
-        }
-
-        const int maxBufferCount = getMaxBufferCountLocked(async);
-        if (async && mOverrideMaxBufferCount) {
-            // FIXME: some drivers are manually setting the buffer-count (which they
-            // shouldn't), so we do this extra test here to handle that case.
-            // This is TEMPORARY, until we get this fixed.
-            if (mOverrideMaxBufferCount < maxBufferCount) {
-                ALOGE("queueBuffer: async mode is invalid with buffercount override");
-                return BAD_VALUE;
-            }
-        }
-        if (buf < 0 || buf >= maxBufferCount) {
-            ALOGE("queueBuffer: slot index out of range [0, %d]: %d",
-                    maxBufferCount, buf);
-            return -EINVAL;
-        } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
-            ALOGE("queueBuffer: slot %d is not owned by the client "
-                    "(state=%d)", buf, mSlots[buf].mBufferState);
-            return -EINVAL;
-        } else if (!mSlots[buf].mRequestBufferCalled) {
-            ALOGE("queueBuffer: slot %d was enqueued without requesting a "
-                    "buffer", buf);
-            return -EINVAL;
-        }
-
-        ALOGV("queueBuffer: slot=%d/%llu time=%#llx crop=[%d,%d,%d,%d] "
-                "tr=%#x scale=%s",
-                buf, mFrameCounter + 1, timestamp,
-                crop.left, crop.top, crop.right, crop.bottom,
-                transform, scalingModeName(scalingMode));
-
-        const sp<GraphicBuffer>& graphicBuffer(mSlots[buf].mGraphicBuffer);
-        Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight());
-        Rect croppedCrop;
-        crop.intersect(bufferRect, &croppedCrop);
-        if (croppedCrop != crop) {
-            ALOGE("queueBuffer: crop rect is not contained within the "
-                    "buffer in slot %d", buf);
-            return -EINVAL;
-        }
-
-        mSlots[buf].mFence = fence;
-        mSlots[buf].mBufferState = BufferSlot::QUEUED;
-        mFrameCounter++;
-        mSlots[buf].mFrameNumber = mFrameCounter;
-
-        BufferItem item;
-        item.mAcquireCalled = mSlots[buf].mAcquireCalled;
-        item.mGraphicBuffer = mSlots[buf].mGraphicBuffer;
-        item.mCrop = crop;
-        item.mTransform = transform & ~NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
-        item.mTransformToDisplayInverse = bool(transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY);
-        item.mScalingMode = scalingMode;
-        item.mTimestamp = timestamp;
-        item.mIsAutoTimestamp = isAutoTimestamp;
-        item.mFrameNumber = mFrameCounter;
-        item.mBuf = buf;
-        item.mFence = fence;
-        item.mIsDroppable = mDequeueBufferCannotBlock || async;
-
-        if (mQueue.empty()) {
-            // when the queue is empty, we can ignore "mDequeueBufferCannotBlock", and
-            // simply queue this buffer.
-            mQueue.push_back(item);
-        } else {
-            // when the queue is not empty, we need to look at the front buffer
-            // state and see if we need to replace it.
-            Fifo::iterator front(mQueue.begin());
-            if (front->mIsDroppable || !mSynchronousMode) {
-                // buffer slot currently queued is marked free if still tracked
-                if (stillTracking(front)) {
-                    mSlots[front->mBuf].mBufferState = BufferSlot::FREE;
-                    // reset the frame number of the freed buffer so that it is the first in
-                    // line to be dequeued again.
-                    mSlots[front->mBuf].mFrameNumber = 0;
-                }
-                // and we record the new buffer in the queued list
-                *front = item;
-            } else {
-                mQueue.push_back(item);
-            }
-        }
-        // always signals that an additional frame should be consumed
-        // to handle max acquired buffer count reached case.
-        listener = mConsumerListener;
-
-        mBufferHasBeenQueued = true;
-        mDequeueCondition.broadcast();
-
-        output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint,
-                mQueue.size());
-
-    } // scope for the lock
-
-    // call back without lock held
-    if (listener != 0) {
-        listener->onFrameAvailable();
-    }
-    return NO_ERROR;
-}
-
-void GonkBufferQueue::cancelBuffer(int buf, const sp<Fence>& fence) {
-    ATRACE_CALL();
-    ALOGV("cancelBuffer: slot=%d", buf);
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ALOGW("cancelBuffer: GonkBufferQueue has been abandoned!");
-        return;
-    }
-
-    if (buf < 0 || buf >= NUM_BUFFER_SLOTS) {
-        ALOGE("cancelBuffer: slot index out of range [0, %d]: %d",
-                NUM_BUFFER_SLOTS, buf);
-        return;
-    } else if (mSlots[buf].mBufferState != BufferSlot::DEQUEUED) {
-        ALOGE("cancelBuffer: slot %d is not owned by the client (state=%d)",
-                buf, mSlots[buf].mBufferState);
-        return;
-    } else if (fence == NULL) {
-        ALOGE("cancelBuffer: fence is NULL");
-        return;
-    }
-    mSlots[buf].mBufferState = BufferSlot::FREE;
-    mSlots[buf].mFrameNumber = 0;
-    mSlots[buf].mFence = fence;
-    mDequeueCondition.broadcast();
-}
-
-
-status_t GonkBufferQueue::connect(const sp<IBinder>& token,
-        int api, bool producerControlledByApp, QueueBufferOutput* output) {
-    ATRACE_CALL();
-    ALOGV("connect: api=%d producerControlledByApp=%s", api,
-            producerControlledByApp ? "true" : "false");
-    Mutex::Autolock lock(mMutex);
-
-retry:
-    if (mAbandoned) {
-        ALOGE("connect: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    if (mConsumerListener == NULL) {
-        ALOGE("connect: GonkBufferQueue has no consumer!");
-        return NO_INIT;
-    }
-
-    if (mConnectedApi != NO_CONNECTED_API) {
-        ALOGE("connect: already connected (cur=%d, req=%d)",
-                mConnectedApi, api);
-        return -EINVAL;
-    }
-
-    // If we disconnect and reconnect quickly, we can be in a state where our slots are
-    // empty but we have many buffers in the queue.  This can cause us to run out of
-    // memory if we outrun the consumer.  Wait here if it looks like we have too many
-    // buffers queued up.
-    int maxBufferCount = getMaxBufferCountLocked(false);    // worst-case, i.e. largest value
-    if (mQueue.size() > (size_t) maxBufferCount) {
-        // TODO: make this bound tighter?
-        ALOGV("queue size is %d, waiting", mQueue.size());
-        mDequeueCondition.wait(mMutex);
-        goto retry;
-    }
-
-    int err = NO_ERROR;
-    switch (api) {
-        case NATIVE_WINDOW_API_EGL:
-        case NATIVE_WINDOW_API_CPU:
-        case NATIVE_WINDOW_API_MEDIA:
-        case NATIVE_WINDOW_API_CAMERA:
-            mConnectedApi = api;
-            output->inflate(mDefaultWidth, mDefaultHeight, mTransformHint, mQueue.size());
-
-            // set-up a death notification so that we can disconnect
-            // automatically when/if the remote producer dies.
-            if (token != NULL && token->remoteBinder() != NULL) {
-                status_t err = token->linkToDeath(static_cast<IBinder::DeathRecipient*>(this));
-                if (err == NO_ERROR) {
-                    mConnectedProducerToken = token;
-                } else {
-                    ALOGE("linkToDeath failed: %s (%d)", strerror(-err), err);
-                }
-            }
-            break;
-        default:
-            err = -EINVAL;
-            break;
-    }
-
-    mBufferHasBeenQueued = false;
-    mDequeueBufferCannotBlock = mConsumerControlledByApp && producerControlledByApp;
-
-    return err;
-}
-
-void GonkBufferQueue::binderDied(const wp<IBinder>& who) {
-    // If we're here, it means that a producer we were connected to died.
-    // We're GUARANTEED that we still are connected to it because it has no other way
-    // to get disconnected -- or -- we wouldn't be here because we're removing this
-    // callback upon disconnect. Therefore, it's okay to read mConnectedApi without
-    // synchronization here.
-    int api = mConnectedApi;
-    this->disconnect(api);
-}
-
-status_t GonkBufferQueue::disconnect(int api) {
-    ATRACE_CALL();
-    ALOGV("disconnect: api=%d", api);
-
-    int err = NO_ERROR;
-    sp<IConsumerListener> listener;
-
-    { // Scope for the lock
-        Mutex::Autolock lock(mMutex);
-
-        if (mAbandoned) {
-            // it is not really an error to disconnect after the surface
-            // has been abandoned, it should just be a no-op.
-            return NO_ERROR;
-        }
-
-        switch (api) {
-            case NATIVE_WINDOW_API_EGL:
-            case NATIVE_WINDOW_API_CPU:
-            case NATIVE_WINDOW_API_MEDIA:
-            case NATIVE_WINDOW_API_CAMERA:
-                if (mConnectedApi == api) {
-                    freeAllBuffersLocked();
-                    mConnectedApi = NO_CONNECTED_API;
-                    mDequeueCondition.broadcast();
-                    listener = mConsumerListener;
-                } else {
-                    ALOGE("disconnect: connected to another api (cur=%d, req=%d)",
-                            mConnectedApi, api);
-                    err = -EINVAL;
-                }
-                break;
-            default:
-                ALOGE("disconnect: unknown API %d", api);
-                err = -EINVAL;
-                break;
-        }
-    }
-
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return err;
-}
-
-void GonkBufferQueue::dumpToString(String8& result, const char* prefix) const {
-    Mutex::Autolock _l(mMutex);
-
-    String8 fifo;
-    int fifoSize = 0;
-    Fifo::const_iterator i(mQueue.begin());
-    while (i != mQueue.end()) {
-        fifo.appendFormat("%02d:%p crop=[%d,%d,%d,%d], "
-                "xform=0x%02x, time=%#llx, scale=%s\n",
-                i->mBuf, i->mGraphicBuffer.get(),
-                i->mCrop.left, i->mCrop.top, i->mCrop.right,
-                i->mCrop.bottom, i->mTransform, i->mTimestamp,
-                scalingModeName(i->mScalingMode)
-                );
-        i++;
-        fifoSize++;
-    }
-
-
-    result.appendFormat(
-            "%s-BufferQueue mMaxAcquiredBufferCount=%d, mDequeueBufferCannotBlock=%d, default-size=[%dx%d], "
-            "default-format=%d, transform-hint=%02x, FIFO(%d)={%s}\n",
-            prefix, mMaxAcquiredBufferCount, mDequeueBufferCannotBlock, mDefaultWidth,
-            mDefaultHeight, mDefaultBufferFormat, mTransformHint,
-            fifoSize, fifo.string());
-
-    struct {
-        const char * operator()(int state) const {
-            switch (state) {
-                case BufferSlot::DEQUEUED: return "DEQUEUED";
-                case BufferSlot::QUEUED: return "QUEUED";
-                case BufferSlot::FREE: return "FREE";
-                case BufferSlot::ACQUIRED: return "ACQUIRED";
-                default: return "Unknown";
-            }
-        }
-    } stateName;
-
-    // just trim the free buffers to not spam the dump
-    int maxBufferCount = 0;
-    for (int i=NUM_BUFFER_SLOTS-1 ; i>=0 ; i--) {
-        const BufferSlot& slot(mSlots[i]);
-        if ((slot.mBufferState != BufferSlot::FREE) || (slot.mGraphicBuffer != NULL)) {
-            maxBufferCount = i+1;
-            break;
-        }
-    }
-
-    for (int i=0 ; i<maxBufferCount ; i++) {
-        const BufferSlot& slot(mSlots[i]);
-        const sp<GraphicBuffer>& buf(slot.mGraphicBuffer);
-        result.appendFormat(
-            "%s%s[%02d:%p] state=%-8s",
-                prefix, (slot.mBufferState == BufferSlot::ACQUIRED)?">":" ", i, buf.get(),
-                stateName(slot.mBufferState)
-        );
-
-        if (buf != NULL) {
-            result.appendFormat(
-                    ", %p [%4ux%4u:%4u,%3X]",
-                    buf->handle, buf->width, buf->height, buf->stride,
-                    buf->format);
-        }
-        result.append("\n");
-    }
-}
-
-void GonkBufferQueue::freeAllBuffersLocked()
-{
-    ALOGW_IF(!mQueue.isEmpty(),
-            "freeAllBuffersLocked called but mQueue is not empty");
-    mQueue.clear();
-    mBufferHasBeenQueued = false;
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        mSlots[i].mGraphicBuffer = 0;
-        if (mSlots[i].mTextureClient) {
-          mSlots[i].mTextureClient->ClearRecycleCallback();
-          // release TextureClient in ImageBridge thread
-          RefPtr<TextureClientReleaseTask> task =
-            MakeAndAddRef<TextureClientReleaseTask>(mSlots[i].mTextureClient);
-          mSlots[i].mTextureClient = NULL;
-          ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-        }
-        if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) {
-            mSlots[i].mNeedsCleanupOnRelease = true;
-        }
-        mSlots[i].mBufferState = BufferSlot::FREE;
-        mSlots[i].mFrameNumber = 0;
-        mSlots[i].mAcquireCalled = false;
-        // destroy fence as GonkBufferQueue now takes ownership
-        mSlots[i].mFence = Fence::NO_FENCE;
-    }
-}
-
-status_t GonkBufferQueue::acquireBuffer(BufferItem *buffer, nsecs_t expectedPresent) {
-    ATRACE_CALL();
-    Mutex::Autolock _l(mMutex);
-
-    // Check that the consumer doesn't currently have the maximum number of
-    // buffers acquired.  We allow the max buffer count to be exceeded by one
-    // buffer, so that the consumer can successfully set up the newly acquired
-    // buffer before releasing the old one.
-    int numAcquiredBuffers = 0;
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mBufferState == BufferSlot::ACQUIRED) {
-            numAcquiredBuffers++;
-        }
-    }
-    if (numAcquiredBuffers >= mMaxAcquiredBufferCount+1) {
-        ALOGE("acquireBuffer: max acquired buffer count reached: %d (max=%d)",
-                numAcquiredBuffers, mMaxAcquiredBufferCount);
-        return INVALID_OPERATION;
-    }
-
-    // check if queue is empty
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    if (mQueue.empty()) {
-        return NO_BUFFER_AVAILABLE;
-    }
-
-    Fifo::iterator front(mQueue.begin());
-
-    // If expectedPresent is specified, we may not want to return a buffer yet.
-    // If it's specified and there's more than one buffer queued, we may
-    // want to drop a buffer.
-    if (expectedPresent != 0) {
-        const int MAX_REASONABLE_NSEC = 1000000000ULL;  // 1 second
-
-        // The "expectedPresent" argument indicates when the buffer is expected
-        // to be presented on-screen.  If the buffer's desired-present time
-        // is earlier (less) than expectedPresent, meaning it'll be displayed
-        // on time or possibly late if we show it ASAP, we acquire and return
-        // it.  If we don't want to display it until after the expectedPresent
-        // time, we return PRESENT_LATER without acquiring it.
-        //
-        // To be safe, we don't defer acquisition if expectedPresent is
-        // more than one second in the future beyond the desired present time
-        // (i.e. we'd be holding the buffer for a long time).
-        //
-        // NOTE: code assumes monotonic time values from the system clock are
-        // positive.
-
-        // Start by checking to see if we can drop frames.  We skip this check
-        // if the timestamps are being auto-generated by Surface -- if the
-        // app isn't generating timestamps explicitly, they probably don't
-        // want frames to be discarded based on them.
-        while (mQueue.size() > 1 && !mQueue[0].mIsAutoTimestamp) {
-            // If entry[1] is timely, drop entry[0] (and repeat).  We apply
-            // an additional criteria here: we only drop the earlier buffer if
-            // our desiredPresent falls within +/- 1 second of the expected
-            // present.  Otherwise, bogus desiredPresent times (e.g. 0 or
-            // a small relative timestamp), which normally mean "ignore the
-            // timestamp and acquire immediately", would cause us to drop
-            // frames.
-            //
-            // We may want to add an additional criteria: don't drop the
-            // earlier buffer if entry[1]'s fence hasn't signaled yet.
-            //
-            // (Vector front is [0], back is [size()-1])
-            const BufferItem& bi(mQueue[1]);
-            nsecs_t desiredPresent = bi.mTimestamp;
-            if (desiredPresent < expectedPresent - MAX_REASONABLE_NSEC ||
-                    desiredPresent > expectedPresent) {
-                // This buffer is set to display in the near future, or
-                // desiredPresent is garbage.  Either way we don't want to
-                // drop the previous buffer just to get this on screen sooner.
-                ALOGV("pts nodrop: des=%lld expect=%lld (%lld) now=%lld",
-                        desiredPresent, expectedPresent, desiredPresent - expectedPresent,
-                        systemTime(CLOCK_MONOTONIC));
-                break;
-            }
-            ALOGV("pts drop: queue1des=%lld expect=%lld size=%d",
-                    desiredPresent, expectedPresent, mQueue.size());
-            if (stillTracking(front)) {
-                // front buffer is still in mSlots, so mark the slot as free
-                mSlots[front->mBuf].mBufferState = BufferSlot::FREE;
-            }
-            mQueue.erase(front);
-            front = mQueue.begin();
-        }
-
-        // See if the front buffer is due.
-        nsecs_t desiredPresent = front->mTimestamp;
-        if (desiredPresent > expectedPresent &&
-                desiredPresent < expectedPresent + MAX_REASONABLE_NSEC) {
-            ALOGV("pts defer: des=%lld expect=%lld (%lld) now=%lld",
-                    desiredPresent, expectedPresent, desiredPresent - expectedPresent,
-                    systemTime(CLOCK_MONOTONIC));
-            return PRESENT_LATER;
-        }
-
-        ALOGV("pts accept: des=%lld expect=%lld (%lld) now=%lld",
-                desiredPresent, expectedPresent, desiredPresent - expectedPresent,
-                systemTime(CLOCK_MONOTONIC));
-    }
-
-    int buf = front->mBuf;
-    buffer->mGraphicBuffer = mSlots[buf].mGraphicBuffer;
-    buffer->mFrameNumber = mSlots[buf].mFrameNumber;
-    buffer->mBuf = buf;
-    buffer->mFence = mSlots[buf].mFence;
-    ATRACE_BUFFER_INDEX(buf);
-
-    ALOGV("acquireBuffer: acquiring { slot=%d/%llu, buffer=%p }",
-            front->mBuf, front->mFrameNumber,
-            front->mGraphicBuffer->handle);
-    // if front buffer still being tracked update slot state
-    if (stillTracking(front)) {
-        mSlots[buf].mAcquireCalled = true;
-        mSlots[buf].mNeedsCleanupOnRelease = false;
-        mSlots[buf].mBufferState = BufferSlot::ACQUIRED;
-        mSlots[buf].mFence = Fence::NO_FENCE;
-    }
-
-    // If the buffer has previously been acquired by the consumer, set
-    // mGraphicBuffer to NULL to avoid unnecessarily remapping this
-    // buffer on the consumer side.
-    //if (buffer->mAcquireCalled) {
-    //    buffer->mGraphicBuffer = NULL;
-    //}
-
-    mQueue.erase(front);
-    mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::releaseBuffer(int buf, uint64_t frameNumber, const sp<Fence>& fence) {
-    ATRACE_CALL();
-
-    if (buf == INVALID_BUFFER_SLOT || fence == NULL) {
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock _l(mMutex);
-
-    // If the frame number has changed because buffer has been reallocated,
-    // we can ignore this releaseBuffer for the old buffer.
-    //if (frameNumber != mSlots[buf].mFrameNumber) {
-    //    return STALE_BUFFER_SLOT;
-    //}
-
-
-    // Internal state consistency checks:
-    // Make sure this buffers hasn't been queued while we were owning it (acquired)
-    Fifo::iterator front(mQueue.begin());
-    Fifo::const_iterator const end(mQueue.end());
-    while (front != end) {
-        if (front->mBuf == buf) {
-            LOG_ALWAYS_FATAL("[%s] received new buffer(#%lld) on slot #%d that has not yet been "
-                    "acquired", mConsumerName.string(), frameNumber, buf);
-            break; // never reached
-        }
-        front++;
-    }
-
-    // The buffer can now only be released if its in the acquired state
-    if (mSlots[buf].mBufferState == BufferSlot::ACQUIRED) {
-        mSlots[buf].mFence = fence;
-        mSlots[buf].mBufferState = BufferSlot::FREE;
-    } else if (mSlots[buf].mNeedsCleanupOnRelease) {
-        ALOGV("releasing a stale buf %d its state was %d", buf, mSlots[buf].mBufferState);
-        mSlots[buf].mNeedsCleanupOnRelease = false;
-        return STALE_BUFFER_SLOT;
-    } else {
-        ALOGE("attempted to release buf %d but its state was %d", buf, mSlots[buf].mBufferState);
-        return -EINVAL;
-    }
-
-    mDequeueCondition.broadcast();
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::consumerConnect(const sp<IConsumerListener>& consumerListener,
-        bool controlledByApp) {
-    ALOGV("consumerConnect controlledByApp=%s",
-            controlledByApp ? "true" : "false");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ALOGE("consumerConnect: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-    if (consumerListener == NULL) {
-        ALOGE("consumerConnect: consumerListener may not be NULL");
-        return BAD_VALUE;
-    }
-
-    mConsumerListener = consumerListener;
-    mConsumerControlledByApp = controlledByApp;
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::consumerDisconnect() {
-    ALOGV("consumerDisconnect");
-    Mutex::Autolock lock(mMutex);
-
-    if (mConsumerListener == NULL) {
-        ALOGE("consumerDisconnect: No consumer is connected!");
-        return -EINVAL;
-    }
-
-    mAbandoned = true;
-    mConsumerListener = NULL;
-    mQueue.clear();
-    freeAllBuffersLocked();
-    mDequeueCondition.broadcast();
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::getReleasedBuffers(uint32_t* slotMask) {
-    ALOGV("getReleasedBuffers");
-    Mutex::Autolock lock(mMutex);
-
-    if (mAbandoned) {
-        ALOGE("getReleasedBuffers: GonkBufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    uint32_t mask = 0;
-    for (int i = 0; i < NUM_BUFFER_SLOTS; i++) {
-        if (!mSlots[i].mAcquireCalled) {
-            mask |= 1 << i;
-        }
-    }
-
-    // Remove buffers in flight (on the queue) from the mask where acquire has
-    // been called, as the consumer will not receive the buffer address, so
-    // it should not free these slots.
-    Fifo::iterator front(mQueue.begin());
-    while (front != mQueue.end()) {
-        if (front->mAcquireCalled)
-            mask &= ~(1 << front->mBuf);
-        front++;
-    }
-
-    *slotMask = mask;
-
-    ALOGV("getReleasedBuffers: returning mask %#x", mask);
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    ALOGV("setDefaultBufferSize: w=%d, h=%d", w, h);
-    if (!w || !h) {
-        ALOGE("setDefaultBufferSize: dimensions cannot be 0 (w=%d, h=%d)",
-                w, h);
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mMutex);
-    mDefaultWidth = w;
-    mDefaultHeight = h;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setDefaultMaxBufferCount(int bufferCount) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mMutex);
-    return setDefaultMaxBufferCountLocked(bufferCount);
-}
-
-status_t GonkBufferQueue::disableAsyncBuffer() {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mMutex);
-    if (mConsumerListener != NULL) {
-        ALOGE("disableAsyncBuffer: consumer already connected!");
-        return INVALID_OPERATION;
-    }
-    mUseAsyncBuffer = false;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueue::setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mMutex);
-    if (maxAcquiredBuffers < 1 || maxAcquiredBuffers > MAX_MAX_ACQUIRED_BUFFERS) {
-        ALOGE("setMaxAcquiredBufferCount: invalid count specified: %d",
-                maxAcquiredBuffers);
-        return BAD_VALUE;
-    }
-    if (mConnectedApi != NO_CONNECTED_API) {
-        return INVALID_OPERATION;
-    }
-    mMaxAcquiredBufferCount = maxAcquiredBuffers;
-    return NO_ERROR;
-}
-
-int GonkBufferQueue::getMinUndequeuedBufferCount(bool async) const {
-    // if dequeueBuffer is allowed to error out, we don't have to
-    // add an extra buffer.
-    if (!mUseAsyncBuffer)
-        return mMaxAcquiredBufferCount;
-
-    // we're in async mode, or we want to prevent the app to
-    // deadlock itself, we throw-in an extra buffer to guarantee it.
-    if (mDequeueBufferCannotBlock || async || !mSynchronousMode)
-        return mMaxAcquiredBufferCount + 1;
-
-    return mMaxAcquiredBufferCount;
-}
-
-int GonkBufferQueue::getMinMaxBufferCountLocked(bool async) const {
-    return getMinUndequeuedBufferCount(async) + 1;
-}
-
-int GonkBufferQueue::getMaxBufferCountLocked(bool async) const {
-    int minMaxBufferCount = getMinMaxBufferCountLocked(async);
-
-    int maxBufferCount = mDefaultMaxBufferCount;
-    if (maxBufferCount < minMaxBufferCount) {
-        maxBufferCount = minMaxBufferCount;
-    }
-    if (mOverrideMaxBufferCount != 0) {
-        assert(mOverrideMaxBufferCount >= minMaxBufferCount);
-        maxBufferCount = mOverrideMaxBufferCount;
-    }
-
-    // Any buffers that are dequeued by the producer or sitting in the queue
-    // waiting to be consumed need to have their slots preserved.  Such
-    // buffers will temporarily keep the max buffer count up until the slots
-    // no longer need to be preserved.
-    for (int i = maxBufferCount; i < NUM_BUFFER_SLOTS; i++) {
-        BufferSlot::BufferState state = mSlots[i].mBufferState;
-        if (state == BufferSlot::QUEUED || state == BufferSlot::DEQUEUED) {
-            maxBufferCount = i + 1;
-        }
-    }
-
-    return maxBufferCount;
-}
-
-bool GonkBufferQueue::stillTracking(const BufferItem *item) const {
-    const BufferSlot &slot = mSlots[item->mBuf];
-
-    ALOGV("stillTracking?: item: { slot=%d/%llu, buffer=%p }, "
-            "slot: { slot=%d/%llu, buffer=%p }",
-            item->mBuf, item->mFrameNumber,
-            (item->mGraphicBuffer.get() ? item->mGraphicBuffer->handle : 0),
-            item->mBuf, slot.mFrameNumber,
-            (slot.mGraphicBuffer.get() ? slot.mGraphicBuffer->handle : 0));
-
-    // Compare item with its original buffer slot.  We can check the slot
-    // as the buffer would not be moved to a different slot by the producer.
-    return (slot.mGraphicBuffer != NULL &&
-            item->mGraphicBuffer->handle == slot.mGraphicBuffer->handle);
-}
-
-GonkBufferQueue::ProxyConsumerListener::ProxyConsumerListener(
-        const wp<ConsumerListener>& consumerListener):
-        mConsumerListener(consumerListener) {}
-
-GonkBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
-
-void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameAvailable();
-    }
-}
-
-void GonkBufferQueue::ProxyConsumerListener::onBuffersReleased() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueKK.h b/widget/gonk/nativewindow/GonkBufferQueueKK.h
deleted file mode 100644
index 01905427d..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueKK.h
+++ /dev/null
@@ -1,583 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUE_KK_H
-#define NATIVEWINDOW_GONKBUFFERQUEUE_KK_H
-
-#include <gui/IConsumerListener.h>
-#include <gui/IGraphicBufferAlloc.h>
-#include <gui/IGraphicBufferProducer.h>
-#include "IGonkGraphicBufferConsumer.h"
-
-#include <ui/Fence.h>
-#include <ui/GraphicBuffer.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-#include "mozilla/layers/LayersSurfaces.h"
-#include "mozilla/layers/TextureClient.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class GonkBufferQueue : public BnGraphicBufferProducer,
-                        public BnGonkGraphicBufferConsumer,
-                        private IBinder::DeathRecipient
-{
-    typedef mozilla::layers::TextureClient TextureClient;
-
-public:
-    enum { MIN_UNDEQUEUED_BUFFERS = 2 };
-    enum { NUM_BUFFER_SLOTS = 32 };
-    enum { NO_CONNECTED_API = 0 };
-    enum { INVALID_BUFFER_SLOT = -1 };
-    enum { STALE_BUFFER_SLOT = 1, NO_BUFFER_AVAILABLE, PRESENT_LATER };
-
-    // When in async mode we reserve two slots in order to guarantee that the
-    // producer and consumer can run asynchronously.
-    enum { MAX_MAX_ACQUIRED_BUFFERS = NUM_BUFFER_SLOTS - 2 };
-
-    // for backward source compatibility
-    typedef ::android::ConsumerListener ConsumerListener;
-
-    // ProxyConsumerListener is a ConsumerListener implementation that keeps a weak
-    // reference to the actual consumer object.  It forwards all calls to that
-    // consumer object so long as it exists.
-    //
-    // This class exists to avoid having a circular reference between the
-    // GonkBufferQueue object and the consumer object.  The reason this can't be a weak
-    // reference in the GonkBufferQueue class is because we're planning to expose the
-    // consumer side of a GonkBufferQueue as a binder interface, which doesn't support
-    // weak references.
-    class ProxyConsumerListener : public BnConsumerListener {
-    public:
-        ProxyConsumerListener(const wp<ConsumerListener>& consumerListener);
-        virtual ~ProxyConsumerListener();
-        virtual void onFrameAvailable();
-        virtual void onBuffersReleased();
-    private:
-        // mConsumerListener is a weak reference to the IConsumerListener.  This is
-        // the raison d'etre of ProxyConsumerListener.
-        wp<ConsumerListener> mConsumerListener;
-    };
-
-
-    // BufferQueue manages a pool of gralloc memory slots to be used by
-    // producers and consumers. allocator is used to allocate all the
-    // needed gralloc buffers.
-    GonkBufferQueue(bool allowSynchronousMode = true,
-            const sp<IGraphicBufferAlloc>& allocator = NULL);
-    virtual ~GonkBufferQueue();
-
-    /*
-     * IBinder::DeathRecipient interface
-     */
-
-    virtual void binderDied(const wp<IBinder>& who);
-
-    /*
-     * IGraphicBufferProducer interface
-     */
-
-    // Query native window attributes.  The "what" values are enumerated in
-    // window.h (e.g. NATIVE_WINDOW_FORMAT).
-    virtual int query(int what, int* value);
-
-    // setBufferCount updates the number of available buffer slots.  If this
-    // method succeeds, buffer slots will be both unallocated and owned by
-    // the GonkBufferQueue object (i.e. they are not owned by the producer or
-    // consumer).
-    //
-    // This will fail if the producer has dequeued any buffers, or if
-    // bufferCount is invalid.  bufferCount must generally be a value
-    // between the minimum undequeued buffer count and NUM_BUFFER_SLOTS
-    // (inclusive).  It may also be set to zero (the default) to indicate
-    // that the producer does not wish to set a value.  The minimum value
-    // can be obtained by calling query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
-    // ...).
-    //
-    // This may only be called by the producer.  The consumer will be told
-    // to discard buffers through the onBuffersReleased callback.
-    virtual status_t setBufferCount(int bufferCount);
-
-    // requestBuffer returns the GraphicBuffer for slot N.
-    //
-    // In normal operation, this is called the first time slot N is returned
-    // by dequeueBuffer.  It must be called again if dequeueBuffer returns
-    // flags indicating that previously-returned buffers are no longer valid.
-    virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
-
-    // dequeueBuffer gets the next buffer slot index for the producer to use.
-    // If a buffer slot is available then that slot index is written to the
-    // location pointed to by the buf argument and a status of OK is returned.
-    // If no slot is available then a status of -EBUSY is returned and buf is
-    // unmodified.
-    //
-    // The fence parameter will be updated to hold the fence associated with
-    // the buffer. The contents of the buffer must not be overwritten until the
-    // fence signals. If the fence is Fence::NO_FENCE, the buffer may be
-    // written immediately.
-    //
-    // The width and height parameters must be no greater than the minimum of
-    // GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
-    // An error due to invalid dimensions might not be reported until
-    // updateTexImage() is called.  If width and height are both zero, the
-    // default values specified by setDefaultBufferSize() are used instead.
-    //
-    // The pixel formats are enumerated in graphics.h, e.g.
-    // HAL_PIXEL_FORMAT_RGBA_8888.  If the format is 0, the default format
-    // will be used.
-    //
-    // The usage argument specifies gralloc buffer usage flags.  The values
-    // are enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER.  These
-    // will be merged with the usage flags specified by setConsumerUsageBits.
-    //
-    // The return value may be a negative error value or a non-negative
-    // collection of flags.  If the flags are set, the return values are
-    // valid, but additional actions must be performed.
-    //
-    // If IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION is set, the
-    // producer must discard cached GraphicBuffer references for the slot
-    // returned in buf.
-    // If IGraphicBufferProducer::RELEASE_ALL_BUFFERS is set, the producer
-    // must discard cached GraphicBuffer references for all slots.
-    //
-    // In both cases, the producer will need to call requestBuffer to get a
-    // GraphicBuffer handle for the returned slot.
-    virtual status_t dequeueBuffer(int *buf, sp<Fence>* fence, bool async,
-            uint32_t width, uint32_t height, uint32_t format, uint32_t usage);
-
-    // queueBuffer returns a filled buffer to the GonkBufferQueue.
-    //
-    // Additional data is provided in the QueueBufferInput struct.  Notably,
-    // a timestamp must be provided for the buffer. The timestamp is in
-    // nanoseconds, and must be monotonically increasing. Its other semantics
-    // (zero point, etc) are producer-specific and should be documented by the
-    // producer.
-    //
-    // The caller may provide a fence that signals when all rendering
-    // operations have completed.  Alternatively, NO_FENCE may be used,
-    // indicating that the buffer is ready immediately.
-    //
-    // Some values are returned in the output struct: the current settings
-    // for default width and height, the current transform hint, and the
-    // number of queued buffers.
-    virtual status_t queueBuffer(int buf,
-            const QueueBufferInput& input, QueueBufferOutput* output);
-
-    // cancelBuffer returns a dequeued buffer to the GonkBufferQueue, but doesn't
-    // queue it for use by the consumer.
-    //
-    // The buffer will not be overwritten until the fence signals.  The fence
-    // will usually be the one obtained from dequeueBuffer.
-    virtual void cancelBuffer(int buf, const sp<Fence>& fence);
-
-    // setSynchronousMode sets whether dequeueBuffer is synchronous or
-    // asynchronous. In synchronous mode, dequeueBuffer blocks until
-    // a buffer is available, the currently bound buffer can be dequeued and
-    // queued buffers will be acquired in order.  In asynchronous mode,
-    // a queued buffer may be replaced by a subsequently queued buffer.
-    //
-    // The default mode is synchronous.
-    // This should be called only during initialization.
-    virtual status_t setSynchronousMode(bool enabled);
-
-    // connect attempts to connect a producer API to the GonkBufferQueue.  This
-    // must be called before any other IGraphicBufferProducer methods are
-    // called except for getAllocator.  A consumer must already be connected.
-    //
-    // This method will fail if connect was previously called on the
-    // GonkBufferQueue and no corresponding disconnect call was made (i.e. if
-    // it's still connected to a producer).
-    //
-    // APIs are enumerated in window.h (e.g. NATIVE_WINDOW_API_CPU).
-    virtual status_t connect(const sp<IBinder>& token,
-            int api, bool producerControlledByApp, QueueBufferOutput* output);
-
-    // disconnect attempts to disconnect a producer API from the GonkBufferQueue.
-    // Calling this method will cause any subsequent calls to other
-    // IGraphicBufferProducer methods to fail except for getAllocator and connect.
-    // Successfully calling connect after this will allow the other methods to
-    // succeed again.
-    //
-    // This method will fail if the the GonkBufferQueue is not currently
-    // connected to the specified producer API.
-    virtual status_t disconnect(int api);
-
-    /*
-     * IGraphicBufferConsumer interface
-     */
-
-    // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the GonkBufferQueue.  If no buffer is pending then it returns -EINVAL.  If a
-    // buffer is successfully acquired, the information about the buffer is
-    // returned in BufferItem.  If the buffer returned had previously been
-    // acquired then the BufferItem::mGraphicBuffer field of buffer is set to
-    // NULL and it is assumed that the consumer still holds a reference to the
-    // buffer.
-    //
-    // If presentWhen is nonzero, it indicates the time when the buffer will
-    // be displayed on screen.  If the buffer's timestamp is farther in the
-    // future, the buffer won't be acquired, and PRESENT_LATER will be
-    // returned.  The presentation time is in nanoseconds, and the time base
-    // is CLOCK_MONOTONIC.
-    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen);
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // GonkBufferQueue.  This may be done while the buffer's contents are still
-    // being accessed.  The fence will signal when the buffer is no longer
-    // in use. frameNumber is used to indentify the exact buffer returned.
-    //
-    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
-    // any references to the just-released buffer that it might have, as if it
-    // had received a onBuffersReleased() call with a mask set for the released
-    // buffer.
-    //
-    // Note that the dependencies on EGL will be removed once we switch to using
-    // the Android HW Sync HAL.
-    virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
-                    const sp<Fence>& releaseFence);
-
-    // consumerConnect connects a consumer to the GonkBufferQueue.  Only one
-    // consumer may be connected, and when that consumer disconnects the
-    // GonkBufferQueue is placed into the "abandoned" state, causing most
-    // interactions with the GonkBufferQueue by the producer to fail.
-    // controlledByApp indicates whether the consumer is controlled by
-    // the application.
-    //
-    // consumer may not be NULL.
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp);
-
-    // consumerDisconnect disconnects a consumer from the GonkBufferQueue. All
-    // buffers will be freed and the GonkBufferQueue is placed in the "abandoned"
-    // state, causing most interactions with the GonkBufferQueue by the producer to
-    // fail.
-    virtual status_t consumerDisconnect();
-
-    // getReleasedBuffers sets the value pointed to by slotMask to a bit mask
-    // indicating which buffer slots have been released by the GonkBufferQueue
-    // but have not yet been released by the consumer.
-    //
-    // This should be called from the onBuffersReleased() callback.
-    virtual status_t getReleasedBuffers(uint32_t* slotMask);
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // dequeueBuffer when a width and height of zero is requested.  Default
-    // is 1x1.
-    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-
-    // setDefaultMaxBufferCount sets the default value for the maximum buffer
-    // count (the initial default is 2). If the producer has requested a
-    // buffer count using setBufferCount, the default buffer count will only
-    // take effect if the producer sets the count back to zero.
-    //
-    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    virtual status_t setDefaultMaxBufferCount(int bufferCount);
-
-    // disableAsyncBuffer disables the extra buffer used in async mode
-    // (when both producer and consumer have set their "isControlledByApp"
-    // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
-    //
-    // This can only be called before consumerConnect().
-    virtual status_t disableAsyncBuffer();
-
-    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
-    // be acquired by the consumer at one time (default 1).  This call will
-    // fail if a producer is connected to the GonkBufferQueue.
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
-
-    // setConsumerName sets the name used in logging
-    virtual void setConsumerName(const String8& name);
-
-    // setDefaultBufferFormat allows the GonkBufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
-    // These are merged with the bits passed to dequeueBuffer.  The values are
-    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    virtual status_t setConsumerUsageBits(uint32_t usage);
-
-    // setTransformHint bakes in rotation to buffers so overlays can be used.
-    // The values are enumerated in window.h, e.g.
-    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    virtual status_t setTransformHint(uint32_t hint);
-
-    // dump our state in a String
-    virtual void dumpToString(String8& result, const char* prefix) const;
-
-     already_AddRefed<TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    int getSlotFromTextureClientLocked(TextureClient* client) const;
-
-private:
-    // freeBufferLocked frees the GraphicBuffer and sync resources for the
-    // given slot.
-    //void freeBufferLocked(int index);
-
-    // freeAllBuffersLocked frees the GraphicBuffer and sync resources for
-    // all slots.
-    void freeAllBuffersLocked();
-
-    // setDefaultMaxBufferCountLocked sets the maximum number of buffer slots
-    // that will be used if the producer does not override the buffer slot
-    // count.  The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    // The initial default is 2.
-    status_t setDefaultMaxBufferCountLocked(int count);
-
-    // getMinUndequeuedBufferCount returns the minimum number of buffers
-    // that must remain in a state other than DEQUEUED.
-    // The async parameter tells whether we're in asynchronous mode.
-    int getMinUndequeuedBufferCount(bool async) const;
-
-    // getMinBufferCountLocked returns the minimum number of buffers allowed
-    // given the current GonkBufferQueue state.
-    // The async parameter tells whether we're in asynchronous mode.
-    int getMinMaxBufferCountLocked(bool async) const;
-
-    // getMaxBufferCountLocked returns the maximum number of buffers that can
-    // be allocated at once.  This value depends upon the following member
-    // variables:
-    //
-    //      mDequeueBufferCannotBlock
-    //      mMaxAcquiredBufferCount
-    //      mDefaultMaxBufferCount
-    //      mOverrideMaxBufferCount
-    //      async parameter
-    //
-    // Any time one of these member variables is changed while a producer is
-    // connected, mDequeueCondition must be broadcast.
-    int getMaxBufferCountLocked(bool async) const;
-
-    // stillTracking returns true iff the buffer item is still being tracked
-    // in one of the slots.
-    bool stillTracking(const BufferItem *item) const;
-
-    struct BufferSlot {
-
-        BufferSlot()
-        : mBufferState(BufferSlot::FREE),
-          mRequestBufferCalled(false),
-          mFrameNumber(0),
-          mAcquireCalled(false),
-          mNeedsCleanupOnRelease(false) {
-        }
-
-        // mGraphicBuffer points to the buffer allocated for this slot or is NULL
-        // if no buffer has been allocated.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mTextureClient is a thin abstraction over remotely allocated GraphicBuffer.
-        RefPtr<TextureClient> mTextureClient;
-
-        // BufferState represents the different states in which a buffer slot
-        // can be.  All slots are initially FREE.
-        enum BufferState {
-            // FREE indicates that the buffer is available to be dequeued
-            // by the producer.  The buffer may be in use by the consumer for
-            // a finite time, so the buffer must not be modified until the
-            // associated fence is signaled.
-            //
-            // The slot is "owned" by GonkBufferQueue.  It transitions to DEQUEUED
-            // when dequeueBuffer is called.
-            FREE = 0,
-
-            // DEQUEUED indicates that the buffer has been dequeued by the
-            // producer, but has not yet been queued or canceled.  The
-            // producer may modify the buffer's contents as soon as the
-            // associated ready fence is signaled.
-            //
-            // The slot is "owned" by the producer.  It can transition to
-            // QUEUED (via queueBuffer) or back to FREE (via cancelBuffer).
-            DEQUEUED = 1,
-
-            // QUEUED indicates that the buffer has been filled by the
-            // producer and queued for use by the consumer.  The buffer
-            // contents may continue to be modified for a finite time, so
-            // the contents must not be accessed until the associated fence
-            // is signaled.
-            //
-            // The slot is "owned" by GonkBufferQueue.  It can transition to
-            // ACQUIRED (via acquireBuffer) or to FREE (if another buffer is
-            // queued in asynchronous mode).
-            QUEUED = 2,
-
-            // ACQUIRED indicates that the buffer has been acquired by the
-            // consumer.  As with QUEUED, the contents must not be accessed
-            // by the consumer until the fence is signaled.
-            //
-            // The slot is "owned" by the consumer.  It transitions to FREE
-            // when releaseBuffer is called.
-            ACQUIRED = 3
-        };
-
-        // mBufferState is the current state of this buffer slot.
-        BufferState mBufferState;
-
-        // mRequestBufferCalled is used for validating that the producer did
-        // call requestBuffer() when told to do so. Technically this is not
-        // needed but useful for debugging and catching producer bugs.
-        bool mRequestBufferCalled;
-
-        // mFrameNumber is the number of the queued frame for this slot.  This
-        // is used to dequeue buffers in LRU order (useful because buffers
-        // may be released before their release fence is signaled).
-        uint64_t mFrameNumber;
-
-        // mFence is a fence which will signal when work initiated by the
-        // previous owner of the buffer is finished. When the buffer is FREE,
-        // the fence indicates when the consumer has finished reading
-        // from the buffer, or when the producer has finished writing if it
-        // called cancelBuffer after queueing some writes. When the buffer is
-        // QUEUED, it indicates when the producer has finished filling the
-        // buffer. When the buffer is DEQUEUED or ACQUIRED, the fence has been
-        // passed to the consumer or producer along with ownership of the
-        // buffer, and mFence is set to NO_FENCE.
-        sp<Fence> mFence;
-
-        // Indicates whether this buffer has been seen by a consumer yet
-        bool mAcquireCalled;
-
-        // Indicates whether this buffer needs to be cleaned up by the
-        // consumer.  This is set when a buffer in ACQUIRED state is freed.
-        // It causes releaseBuffer to return STALE_BUFFER_SLOT.
-        bool mNeedsCleanupOnRelease;
-    };
-
-    // mSlots is the array of buffer slots that must be mirrored on the
-    // producer side. This allows buffer ownership to be transferred between
-    // the producer and consumer without sending a GraphicBuffer over binder.
-    // The entire array is initialized to NULL at construction time, and
-    // buffers are allocated for a slot when requestBuffer is called with
-    // that slot's index.
-    BufferSlot mSlots[NUM_BUFFER_SLOTS];
-
-    // mDefaultWidth holds the default width of allocated buffers. It is used
-    // in dequeueBuffer() if a width and height of zero is specified.
-    uint32_t mDefaultWidth;
-
-    // mDefaultHeight holds the default height of allocated buffers. It is used
-    // in dequeueBuffer() if a width and height of zero is specified.
-    uint32_t mDefaultHeight;
-
-    // mMaxAcquiredBufferCount is the number of buffers that the consumer may
-    // acquire at one time.  It defaults to 1 and can be changed by the
-    // consumer via the setMaxAcquiredBufferCount method, but this may only be
-    // done when no producer is connected to the GonkBufferQueue.
-    //
-    // This value is used to derive the value returned for the
-    // MIN_UNDEQUEUED_BUFFERS query by the producer.
-    int mMaxAcquiredBufferCount;
-
-    // mDefaultMaxBufferCount is the default limit on the number of buffers
-    // that will be allocated at one time.  This default limit is set by the
-    // consumer.  The limit (as opposed to the default limit) may be
-    // overridden by the producer.
-    int mDefaultMaxBufferCount;
-
-    // mOverrideMaxBufferCount is the limit on the number of buffers that will
-    // be allocated at one time. This value is set by the image producer by
-    // calling setBufferCount. The default is zero, which means the producer
-    // doesn't care about the number of buffers in the pool. In that case
-    // mDefaultMaxBufferCount is used as the limit.
-    int mOverrideMaxBufferCount;
-
-    // mGraphicBufferAlloc is the connection to SurfaceFlinger that is used to
-    // allocate new GraphicBuffer objects.
-    sp<IGraphicBufferAlloc> mGraphicBufferAlloc;
-
-    // mConsumerListener is used to notify the connected consumer of
-    // asynchronous events that it may wish to react to.  It is initially set
-    // to NULL and is written by consumerConnect and consumerDisconnect.
-    sp<IConsumerListener> mConsumerListener;
-
-    // mSynchronousMode whether we're in synchronous mode or not
-    bool mSynchronousMode;
-
-    // mConsumerControlledByApp whether the connected consumer is controlled by the
-    // application.
-    bool mConsumerControlledByApp;
-
-    // mDequeueBufferCannotBlock whether dequeueBuffer() isn't allowed to block.
-    // this flag is set during connect() when both consumer and producer are controlled
-    // by the application.
-    bool mDequeueBufferCannotBlock;
-
-    // mUseAsyncBuffer whether an extra buffer is used in async mode to prevent
-    // dequeueBuffer() from ever blocking.
-    bool mUseAsyncBuffer;
-
-    // mConnectedApi indicates the producer API that is currently connected
-    // to this GonkBufferQueue.  It defaults to NO_CONNECTED_API (= 0), and gets
-    // updated by the connect and disconnect methods.
-    int mConnectedApi;
-
-    // mDequeueCondition condition used for dequeueBuffer in synchronous mode
-    mutable Condition mDequeueCondition;
-
-    // mQueue is a FIFO of queued buffers used in synchronous mode
-    typedef Vector<BufferItem> Fifo;
-    Fifo mQueue;
-
-    // mAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume image buffers pushed to it using the IGraphicBufferProducer
-    // interface.  It is initialized to false, and set to true in the
-    // consumerDisconnect method.  A GonkBufferQueue that has been abandoned will
-    // return the NO_INIT error from all IGraphicBufferProducer methods
-    // capable of returning an error.
-    bool mAbandoned;
-
-    // mConsumerName is a string used to identify the GonkBufferQueue in log
-    // messages.  It is set by the setConsumerName method.
-    String8 mConsumerName;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkBufferQueue objects. It must be locked whenever the
-    // member variables are accessed.
-    mutable Mutex mMutex;
-
-    // mFrameCounter is the free running counter, incremented on every
-    // successful queueBuffer call, and buffer allocation.
-    uint64_t mFrameCounter;
-
-    // mBufferHasBeenQueued is true once a buffer has been queued.  It is
-    // reset when something causes all buffers to be freed (e.g. changing the
-    // buffer count).
-    bool mBufferHasBeenQueued;
-
-    // mDefaultBufferFormat can be set so it will override
-    // the buffer format when it isn't specified in dequeueBuffer
-    uint32_t mDefaultBufferFormat;
-
-    // mConsumerUsageBits contains flags the consumer wants for GraphicBuffers
-    uint32_t mConsumerUsageBits;
-
-    // mTransformHint is used to optimize for screen rotations
-    uint32_t mTransformHint;
-
-    // mConnectedProducerToken is used to set a binder death notification on the producer
-    sp<IBinder> mConnectedProducerToken;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_GUI_BUFFERQUEUE_H
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
deleted file mode 100644
index 7df72bf68..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "GonkBufferItem.h"
-
-#include <ui/Fence.h>
-#include <ui/GraphicBuffer.h>
-
-#include <system/window.h>
-
-namespace android {
-
-GonkBufferItem::GonkBufferItem() :
-    mTransform(0),
-    mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-    mTimestamp(0),
-    mIsAutoTimestamp(false),
-    mFrameNumber(0),
-    mSlot(INVALID_BUFFER_SLOT),
-    mIsDroppable(false),
-    mAcquireCalled(false),
-    mTransformToDisplayInverse(false) {
-    mCrop.makeInvalid();
-}
-
-GonkBufferItem::operator IGonkGraphicBufferConsumer::BufferItem() const {
-    IGonkGraphicBufferConsumer::BufferItem bufferItem;
-    bufferItem.mGraphicBuffer = mGraphicBuffer;
-    bufferItem.mFence = mFence;
-    bufferItem.mCrop = mCrop;
-    bufferItem.mTransform = mTransform;
-    bufferItem.mScalingMode = mScalingMode;
-    bufferItem.mTimestamp = mTimestamp;
-    bufferItem.mIsAutoTimestamp = mIsAutoTimestamp;
-    bufferItem.mFrameNumber = mFrameNumber;
-    bufferItem.mBuf = mSlot;
-    bufferItem.mIsDroppable = mIsDroppable;
-    bufferItem.mAcquireCalled = mAcquireCalled;
-    bufferItem.mTransformToDisplayInverse = mTransformToDisplayInverse;
-    return bufferItem;
-}
-
-size_t GonkBufferItem::getPodSize() const {
-    size_t c =  sizeof(mCrop) +
-            sizeof(mTransform) +
-            sizeof(mScalingMode) +
-            sizeof(mTimestamp) +
-            sizeof(mIsAutoTimestamp) +
-            sizeof(mFrameNumber) +
-            sizeof(mSlot) +
-            sizeof(mIsDroppable) +
-            sizeof(mAcquireCalled) +
-            sizeof(mTransformToDisplayInverse);
-    return c;
-}
-
-size_t GonkBufferItem::getFlattenedSize() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
-    }
-    if (mFence != 0) {
-        c += mFence->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
-    }
-    return sizeof(int32_t) + c + getPodSize();
-}
-
-size_t GonkBufferItem::getFdCount() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFdCount();
-    }
-    if (mFence != 0) {
-        c += mFence->getFdCount();
-    }
-    return c;
-}
-
-status_t GonkBufferItem::flatten(
-        void*& buffer, size_t& size, int*& fds, size_t& count) const {
-
-    // make sure we have enough space
-    if (count < GonkBufferItem::getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-
-    // content flags are stored first
-    uint32_t& flags = *static_cast<uint32_t*>(buffer);
-
-    // advance the pointer
-    FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
-
-    flags = 0;
-    if (mGraphicBuffer != 0) {
-        status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 1;
-    }
-    if (mFence != 0) {
-        status_t err = mFence->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 2;
-    }
-
-    // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::write(buffer, size, mCrop);
-    FlattenableUtils::write(buffer, size, mTransform);
-    FlattenableUtils::write(buffer, size, mScalingMode);
-    FlattenableUtils::write(buffer, size, mTimestamp);
-    FlattenableUtils::write(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::write(buffer, size, mFrameNumber);
-    FlattenableUtils::write(buffer, size, mSlot);
-    FlattenableUtils::write(buffer, size, mIsDroppable);
-    FlattenableUtils::write(buffer, size, mAcquireCalled);
-    FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferItem::unflatten(
-        void const*& buffer, size_t& size, int const*& fds, size_t& count) {
-
-    if (size < sizeof(uint32_t))
-        return NO_MEMORY;
-
-    uint32_t flags = 0;
-    FlattenableUtils::read(buffer, size, flags);
-
-    if (flags & 1) {
-        mGraphicBuffer = new GraphicBuffer();
-        status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    if (flags & 2) {
-        mFence = new Fence();
-        status_t err = mFence->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    // check we have enough space
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::read(buffer, size, mCrop);
-    FlattenableUtils::read(buffer, size, mTransform);
-    FlattenableUtils::read(buffer, size, mScalingMode);
-    FlattenableUtils::read(buffer, size, mTimestamp);
-    FlattenableUtils::read(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::read(buffer, size, mFrameNumber);
-    FlattenableUtils::read(buffer, size, mSlot);
-    FlattenableUtils::read(buffer, size, mIsDroppable);
-    FlattenableUtils::read(buffer, size, mAcquireCalled);
-    FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-const char* GonkBufferItem::scalingModeName(uint32_t scalingMode) {
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
-        default: return "Unknown";
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.h
deleted file mode 100644
index b2d6d3068..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERITEM_LL_H
-#define NATIVEWINDOW_GONKBUFFERITEM_LL_H
-
-#include "IGonkGraphicBufferConsumerLL.h"
-
-#include <ui/Rect.h>
-
-#include <utils/Flattenable.h>
-#include <utils/StrongPointer.h>
-
-namespace android {
-
-class Fence;
-class GraphicBuffer;
-
-class GonkBufferItem : public Flattenable<GonkBufferItem> {
-    friend class Flattenable<GonkBufferItem>;
-    size_t getPodSize() const;
-    size_t getFlattenedSize() const;
-    size_t getFdCount() const;
-    status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
-    status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
-
-    public:
-    // The default value of mBuf, used to indicate this doesn't correspond to a slot.
-    enum { INVALID_BUFFER_SLOT = -1 };
-    GonkBufferItem();
-    operator IGonkGraphicBufferConsumer::BufferItem() const;
-
-    static const char* scalingModeName(uint32_t scalingMode);
-
-    // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
-    // if the buffer in this slot has been acquired in the past (see
-    // BufferSlot.mAcquireCalled).
-    sp<GraphicBuffer> mGraphicBuffer;
-
-    // mFence is a fence that will signal when the buffer is idle.
-    sp<Fence> mFence;
-
-    // mCrop is the current crop rectangle for this buffer slot.
-    Rect mCrop;
-
-    // mTransform is the current transform flags for this buffer slot.
-    // refer to NATIVE_WINDOW_TRANSFORM_* in <window.h>
-    uint32_t mTransform;
-
-    // mScalingMode is the current scaling mode for this buffer slot.
-    // refer to NATIVE_WINDOW_SCALING_* in <window.h>
-    uint32_t mScalingMode;
-
-    // mTimestamp is the current timestamp for this buffer slot. This gets
-    // to set by queueBuffer each time this slot is queued. This value
-    // is guaranteed to be monotonically increasing for each newly
-    // acquired buffer.
-    int64_t mTimestamp;
-
-    // mIsAutoTimestamp indicates whether mTimestamp was generated
-    // automatically when the buffer was queued.
-    bool mIsAutoTimestamp;
-
-    // mFrameNumber is the number of the queued frame for this slot.
-    uint64_t mFrameNumber;
-
-    // mSlot is the slot index of this buffer (default INVALID_BUFFER_SLOT).
-    int mSlot;
-
-    // mIsDroppable whether this buffer was queued with the
-    // property that it can be replaced by a new buffer for the purpose of
-    // making sure dequeueBuffer() won't block.
-    // i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
-    // was queued.
-    bool mIsDroppable;
-
-    // Indicates whether this buffer has been seen by a consumer yet
-    bool mAcquireCalled;
-
-    // Indicates this buffer must be transformed by the inverse transform of the screen
-    // it is displayed onto. This is applied after mTransform.
-    bool mTransformToDisplayInverse;
-};
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.cpp
deleted file mode 100644
index 1d7eb2702..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.cpp
+++ /dev/null
@@ -1,559 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-
-#define LOG_TAG "GonkBufferQueueConsumer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include "GonkBufferItem.h"
-#include "GonkBufferQueueConsumer.h"
-#include "GonkBufferQueueCore.h"
-#include <gui/IConsumerListener.h>
-#include <gui/IProducerListener.h>
-
-namespace android {
-
-GonkBufferQueueConsumer::GonkBufferQueueConsumer(const sp<GonkBufferQueueCore>& core) :
-    mCore(core),
-    mSlots(core->mSlots),
-    mConsumerName() {}
-
-GonkBufferQueueConsumer::~GonkBufferQueueConsumer() {}
-
-status_t GonkBufferQueueConsumer::acquireBuffer(BufferItem* outBuffer,
-        nsecs_t expectedPresent) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-
-    // Check that the consumer doesn't currently have the maximum number of
-    // buffers acquired. We allow the max buffer count to be exceeded by one
-    // buffer so that the consumer can successfully set up the newly acquired
-    // buffer before releasing the old one.
-    int numAcquiredBuffers = 0;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (mSlots[s].mBufferState == GonkBufferSlot::ACQUIRED) {
-            ++numAcquiredBuffers;
-        }
-    }
-    if (numAcquiredBuffers >= mCore->mMaxAcquiredBufferCount + 1) {
-        ALOGE("acquireBuffer: max acquired buffer count reached: %d (max %d)",
-                numAcquiredBuffers, mCore->mMaxAcquiredBufferCount);
-        return INVALID_OPERATION;
-    }
-
-    // Check if the queue is empty.
-    // In asynchronous mode the list is guaranteed to be one buffer deep,
-    // while in synchronous mode we use the oldest buffer.
-    if (mCore->mQueue.empty()) {
-        return NO_BUFFER_AVAILABLE;
-    }
-
-    GonkBufferQueueCore::Fifo::iterator front(mCore->mQueue.begin());
-
-    // If expectedPresent is specified, we may not want to return a buffer yet.
-    // If it's specified and there's more than one buffer queued, we may want
-    // to drop a buffer.
-    if (expectedPresent != 0) {
-        const int MAX_REASONABLE_NSEC = 1000000000ULL; // 1 second
-
-        // The 'expectedPresent' argument indicates when the buffer is expected
-        // to be presented on-screen. If the buffer's desired present time is
-        // earlier (less) than expectedPresent -- meaning it will be displayed
-        // on time or possibly late if we show it as soon as possible -- we
-        // acquire and return it. If we don't want to display it until after the
-        // expectedPresent time, we return PRESENT_LATER without acquiring it.
-        //
-        // To be safe, we don't defer acquisition if expectedPresent is more
-        // than one second in the future beyond the desired present time
-        // (i.e., we'd be holding the buffer for a long time).
-        //
-        // NOTE: Code assumes monotonic time values from the system clock
-        // are positive.
-
-        // Start by checking to see if we can drop frames. We skip this check if
-        // the timestamps are being auto-generated by Surface. If the app isn't
-        // generating timestamps explicitly, it probably doesn't want frames to
-        // be discarded based on them.
-        while (mCore->mQueue.size() > 1 && !mCore->mQueue[0].mIsAutoTimestamp) {
-            // If entry[1] is timely, drop entry[0] (and repeat). We apply an
-            // additional criterion here: we only drop the earlier buffer if our
-            // desiredPresent falls within +/- 1 second of the expected present.
-            // Otherwise, bogus desiredPresent times (e.g., 0 or a small
-            // relative timestamp), which normally mean "ignore the timestamp
-            // and acquire immediately", would cause us to drop frames.
-            //
-            // We may want to add an additional criterion: don't drop the
-            // earlier buffer if entry[1]'s fence hasn't signaled yet.
-            const BufferItem& bufferItem(mCore->mQueue[1]);
-            nsecs_t desiredPresent = bufferItem.mTimestamp;
-            if (desiredPresent < expectedPresent - MAX_REASONABLE_NSEC ||
-                    desiredPresent > expectedPresent) {
-                // This buffer is set to display in the near future, or
-                // desiredPresent is garbage. Either way we don't want to drop
-                // the previous buffer just to get this on the screen sooner.
-                ALOGV("acquireBuffer: nodrop desire=%" PRId64 " expect=%"
-                        PRId64 " (%" PRId64 ") now=%" PRId64,
-                        desiredPresent, expectedPresent,
-                        desiredPresent - expectedPresent,
-                        systemTime(CLOCK_MONOTONIC));
-                break;
-            }
-
-            ALOGV("acquireBuffer: drop desire=%" PRId64 " expect=%" PRId64
-                    " size=%zu",
-                    desiredPresent, expectedPresent, mCore->mQueue.size());
-            if (mCore->stillTracking(front)) {
-                // Front buffer is still in mSlots, so mark the slot as free
-                mSlots[front->mSlot].mBufferState = GonkBufferSlot::FREE;
-            }
-            mCore->mQueue.erase(front);
-            front = mCore->mQueue.begin();
-        }
-
-        // See if the front buffer is due
-        nsecs_t desiredPresent = front->mTimestamp;
-        if (desiredPresent > expectedPresent &&
-                desiredPresent < expectedPresent + MAX_REASONABLE_NSEC) {
-            ALOGV("acquireBuffer: defer desire=%" PRId64 " expect=%" PRId64
-                    " (%" PRId64 ") now=%" PRId64,
-                    desiredPresent, expectedPresent,
-                    desiredPresent - expectedPresent,
-                    systemTime(CLOCK_MONOTONIC));
-            return PRESENT_LATER;
-        }
-
-        ALOGV("acquireBuffer: accept desire=%" PRId64 " expect=%" PRId64 " "
-                "(%" PRId64 ") now=%" PRId64, desiredPresent, expectedPresent,
-                desiredPresent - expectedPresent,
-                systemTime(CLOCK_MONOTONIC));
-    }
-
-    int slot = front->mSlot;
-    //*outBuffer = *front;
-    outBuffer->mGraphicBuffer = mSlots[slot].mGraphicBuffer;
-    outBuffer->mFrameNumber = mSlots[slot].mFrameNumber;
-    outBuffer->mBuf = slot;
-    outBuffer->mFence = mSlots[slot].mFence;
-
-    ATRACE_BUFFER_INDEX(slot);
-
-    ALOGV("acquireBuffer: acquiring { slot=%d/%" PRIu64 " buffer=%p }",
-            slot, front->mFrameNumber, front->mGraphicBuffer->handle);
-    // If the front buffer is still being tracked, update its slot state
-    if (mCore->stillTracking(front)) {
-        mSlots[slot].mAcquireCalled = true;
-        mSlots[slot].mNeedsCleanupOnRelease = false;
-        mSlots[slot].mBufferState = GonkBufferSlot::ACQUIRED;
-        mSlots[slot].mFence = Fence::NO_FENCE;
-    }
-
-    // If the buffer has previously been acquired by the consumer, set
-    // mGraphicBuffer to NULL to avoid unnecessarily remapping this buffer
-    // on the consumer side
-    //if (outBuffer->mAcquireCalled) {
-    //    outBuffer->mGraphicBuffer = NULL;
-    //}
-
-    mCore->mQueue.erase(front);
-
-    // We might have freed a slot while dropping old buffers, or the producer
-    // may be blocked waiting for the number of buffers in the queue to
-    // decrease.
-    mCore->mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::detachBuffer(int slot) {
-    ATRACE_CALL();
-    ATRACE_BUFFER_INDEX(slot);
-    ALOGV("detachBuffer(C): slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("detachBuffer(C): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("detachBuffer(C): slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::ACQUIRED) {
-        ALOGE("detachBuffer(C): slot %d is not owned by the consumer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    }
-
-    mCore->freeBufferLocked(slot);
-    mCore->mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::attachBuffer(int* outSlot,
-        const sp<android::GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-
-    if (outSlot == NULL) {
-        ALOGE("attachBuffer(P): outSlot must not be NULL");
-        return BAD_VALUE;
-    } else if (buffer == NULL) {
-        ALOGE("attachBuffer(P): cannot attach NULL buffer");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    // Make sure we don't have too many acquired buffers and find a free slot
-    // to put the buffer into (the oldest if there are multiple).
-    int numAcquiredBuffers = 0;
-    int found = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (mSlots[s].mBufferState == GonkBufferSlot::ACQUIRED) {
-            ++numAcquiredBuffers;
-        } else if (mSlots[s].mBufferState == GonkBufferSlot::FREE) {
-            if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT ||
-                    mSlots[s].mFrameNumber < mSlots[found].mFrameNumber) {
-                found = s;
-            }
-        }
-    }
-
-    if (numAcquiredBuffers >= mCore->mMaxAcquiredBufferCount + 1) {
-        ALOGE("attachBuffer(P): max acquired buffer count reached: %d "
-                "(max %d)", numAcquiredBuffers,
-                mCore->mMaxAcquiredBufferCount);
-        return INVALID_OPERATION;
-    }
-    if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-        ALOGE("attachBuffer(P): could not find free buffer slot");
-        return NO_MEMORY;
-    }
-
-    *outSlot = found;
-    ATRACE_BUFFER_INDEX(*outSlot);
-    ALOGV("attachBuffer(C): returning slot %d", *outSlot);
-
-    mSlots[*outSlot].mGraphicBuffer = buffer;
-    mSlots[*outSlot].mBufferState = GonkBufferSlot::ACQUIRED;
-    mSlots[*outSlot].mAttachedByConsumer = true;
-    mSlots[*outSlot].mNeedsCleanupOnRelease = false;
-    mSlots[*outSlot].mFence = Fence::NO_FENCE;
-    mSlots[*outSlot].mFrameNumber = 0;
-
-    // mAcquireCalled tells GonkBufferQueue that it doesn't need to send a valid
-    // GraphicBuffer pointer on the next acquireBuffer call, which decreases
-    // Binder traffic by not un/flattening the GraphicBuffer. However, it
-    // requires that the consumer maintain a cached copy of the slot <--> buffer
-    // mappings, which is why the consumer doesn't need the valid pointer on
-    // acquire.
-    //
-    // The StreamSplitter is one of the primary users of the attach/detach
-    // logic, and while it is running, all buffers it acquires are immediately
-    // detached, and all buffers it eventually releases are ones that were
-    // attached (as opposed to having been obtained from acquireBuffer), so it
-    // doesn't make sense to maintain the slot/buffer mappings, which would
-    // become invalid for every buffer during detach/attach. By setting this to
-    // false, the valid GraphicBuffer pointer will always be sent with acquire
-    // for attached buffers.
-    mSlots[*outSlot].mAcquireCalled = false;
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::releaseBuffer(int slot, uint64_t frameNumber,
-        const sp<Fence>& releaseFence) {
-    ATRACE_CALL();
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS ||
-            releaseFence == NULL) {
-        return BAD_VALUE;
-    }
-
-    sp<IProducerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-
-        // If the frame number has changed because the buffer has been reallocated,
-        // we can ignore this releaseBuffer for the old buffer
-        //if (frameNumber != mSlots[slot].mFrameNumber) {
-        //    return STALE_BUFFER_SLOT;
-        //}
-
-        // Make sure this buffer hasn't been queued while acquired by the consumer
-        GonkBufferQueueCore::Fifo::iterator current(mCore->mQueue.begin());
-        while (current != mCore->mQueue.end()) {
-            if (current->mSlot == slot) {
-                ALOGE("releaseBuffer: buffer slot %d pending release is "
-                        "currently queued", slot);
-                return BAD_VALUE;
-            }
-            ++current;
-        }
-
-        if (mSlots[slot].mBufferState == GonkBufferSlot::ACQUIRED) {
-            mSlots[slot].mFence = releaseFence;
-            mSlots[slot].mBufferState = GonkBufferSlot::FREE;
-            listener = mCore->mConnectedProducerListener;
-            ALOGV("releaseBuffer: releasing slot %d", slot);
-        } else if (mSlots[slot].mNeedsCleanupOnRelease) {
-            ALOGV("releaseBuffer: releasing a stale buffer slot %d "
-                    "(state = %d)", slot, mSlots[slot].mBufferState);
-            mSlots[slot].mNeedsCleanupOnRelease = false;
-            return STALE_BUFFER_SLOT;
-        } else {
-            ALOGV("releaseBuffer: attempted to release buffer slot %d "
-                    "but its state was %d", slot, mSlots[slot].mBufferState);
-            return BAD_VALUE;
-        }
-
-        mCore->mDequeueCondition.broadcast();
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-        listener->onBufferReleased();
-    }
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::connect(
-        const sp<IConsumerListener>& consumerListener, bool controlledByApp) {
-    ATRACE_CALL();
-
-    if (consumerListener == NULL) {
-        ALOGE("connect(C): consumerListener may not be NULL");
-        return BAD_VALUE;
-    }
-
-    ALOGV("connect(C): controlledByApp=%s",
-            controlledByApp ? "true" : "false");
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("connect(C): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    mCore->mConsumerListener = consumerListener;
-    mCore->mConsumerControlledByApp = controlledByApp;
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::disconnect() {
-    ATRACE_CALL();
-
-    ALOGV("disconnect(C)");
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mConsumerListener == NULL) {
-        ALOGE("disconnect(C): no consumer is connected");
-        return BAD_VALUE;
-    }
-
-    mCore->mIsAbandoned = true;
-    mCore->mConsumerListener = NULL;
-    mCore->mQueue.clear();
-    mCore->freeAllBuffersLocked();
-    mCore->mDequeueCondition.broadcast();
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::getReleasedBuffers(uint64_t *outSlotMask) {
-    ATRACE_CALL();
-
-    if (outSlotMask == NULL) {
-        ALOGE("getReleasedBuffers: outSlotMask may not be NULL");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("getReleasedBuffers: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    uint64_t mask = 0;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (!mSlots[s].mAcquireCalled) {
-            mask |= (1ULL << s);
-        }
-    }
-
-    // Remove from the mask queued buffers for which acquire has been called,
-    // since the consumer will not receive their buffer addresses and so must
-    // retain their cached information
-    GonkBufferQueueCore::Fifo::iterator current(mCore->mQueue.begin());
-    while (current != mCore->mQueue.end()) {
-        if (current->mAcquireCalled) {
-            mask &= ~(1ULL << current->mSlot);
-        }
-        ++current;
-    }
-
-    ALOGV("getReleasedBuffers: returning mask %#" PRIx64, mask);
-    *outSlotMask = mask;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setDefaultBufferSize(uint32_t width,
-        uint32_t height) {
-    ATRACE_CALL();
-
-    if (width == 0 || height == 0) {
-        ALOGV("setDefaultBufferSize: dimensions cannot be 0 (width=%u "
-                "height=%u)", width, height);
-        return BAD_VALUE;
-    }
-
-    ALOGV("setDefaultBufferSize: width=%u height=%u", width, height);
-
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mDefaultWidth = width;
-    mCore->mDefaultHeight = height;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setDefaultMaxBufferCount(int bufferCount) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-    return mCore->setDefaultMaxBufferCountLocked(bufferCount);
-}
-
-status_t GonkBufferQueueConsumer::disableAsyncBuffer() {
-    ATRACE_CALL();
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mConsumerListener != NULL) {
-        ALOGE("disableAsyncBuffer: consumer already connected");
-        return INVALID_OPERATION;
-    }
-
-    ALOGV("disableAsyncBuffer");
-    mCore->mUseAsyncBuffer = false;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setMaxAcquiredBufferCount(
-        int maxAcquiredBuffers) {
-    ATRACE_CALL();
-
-    if (maxAcquiredBuffers < 1 ||
-            maxAcquiredBuffers > GonkBufferQueueCore::MAX_MAX_ACQUIRED_BUFFERS) {
-        ALOGE("setMaxAcquiredBufferCount: invalid count %d",
-                maxAcquiredBuffers);
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mConnectedApi != GonkBufferQueueCore::NO_CONNECTED_API) {
-        ALOGE("setMaxAcquiredBufferCount: producer is already connected");
-        return INVALID_OPERATION;
-    }
-
-    ALOGV("setMaxAcquiredBufferCount: %d", maxAcquiredBuffers);
-    mCore->mMaxAcquiredBufferCount = maxAcquiredBuffers;
-    return NO_ERROR;
-}
-
-void GonkBufferQueueConsumer::setConsumerName(const String8& name) {
-    ATRACE_CALL();
-    ALOGV("setConsumerName: '%s'", name.string());
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mConsumerName = name;
-    mConsumerName = name;
-}
-
-status_t GonkBufferQueueConsumer::setDefaultBufferFormat(uint32_t defaultFormat) {
-    ATRACE_CALL();
-    ALOGV("setDefaultBufferFormat: %u", defaultFormat);
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mDefaultBufferFormat = defaultFormat;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setConsumerUsageBits(uint32_t usage) {
-    ATRACE_CALL();
-    ALOGV("setConsumerUsageBits: %#x", usage);
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mConsumerUsageBits = usage;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setTransformHint(uint32_t hint) {
-    ATRACE_CALL();
-    ALOGV("setTransformHint: %#x", hint);
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mTransformHint = hint;
-    return NO_ERROR;
-}
-
-sp<NativeHandle> GonkBufferQueueConsumer::getSidebandStream() const {
-    return mCore->mSidebandStream;
-}
-
-void GonkBufferQueueConsumer::dumpToString(String8& result, const char* prefix) const {
-    mCore->dump(result, prefix);
-}
-
-already_AddRefed<GonkBufferSlot::TextureClient>
-GonkBufferQueueConsumer::getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
-{
-    Mutex::Autolock _l(mCore->mMutex);
-    if (buffer == NULL) {
-        ALOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return nullptr;
-    }
-
-    for (int i = 0; i < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
-            RefPtr<TextureClient> client(mSlots[i].mTextureClient);
-            return client.forget();
-        }
-    }
-    ALOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
-    return nullptr;
-}
-
-int
-GonkBufferQueueConsumer::getSlotFromTextureClientLocked(GonkBufferSlot::TextureClient* client) const
-{
-    if (client == NULL) {
-        ALOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return BAD_VALUE;
-    }
-
-    for (int i = 0; i < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mTextureClient == client) {
-            return i;
-        }
-    }
-    ALOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client);
-    return BAD_VALUE;
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.h
deleted file mode 100644
index a97cfab42..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.h
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUECONSUMER_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUECONSUMER_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include "IGonkGraphicBufferConsumerLL.h"
-
-namespace android {
-
-class GonkBufferQueueCore;
-
-class GonkBufferQueueConsumer : public BnGonkGraphicBufferConsumer {
-
-public:
-    GonkBufferQueueConsumer(const sp<GonkBufferQueueCore>& core);
-    virtual ~GonkBufferQueueConsumer();
-
-    // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the GonkBufferQueue. If no buffer is pending then it returns
-    // NO_BUFFER_AVAILABLE. If a buffer is successfully acquired, the
-    // information about the buffer is returned in BufferItem.  If the buffer
-    // returned had previously been acquired then the BufferItem::mGraphicBuffer
-    // field of buffer is set to NULL and it is assumed that the consumer still
-    // holds a reference to the buffer.
-    //
-    // If expectedPresent is nonzero, it indicates the time when the buffer
-    // will be displayed on screen. If the buffer's timestamp is farther in the
-    // future, the buffer won't be acquired, and PRESENT_LATER will be
-    // returned.  The presentation time is in nanoseconds, and the time base
-    // is CLOCK_MONOTONIC.
-    virtual status_t acquireBuffer(BufferItem* outBuffer,
-            nsecs_t expectedPresent);
-
-    // See IGonkGraphicBufferConsumer::detachBuffer
-    virtual status_t detachBuffer(int slot);
-
-    // See IGonkGraphicBufferConsumer::attachBuffer
-    virtual status_t attachBuffer(int* slot, const sp<GraphicBuffer>& buffer);
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // GonkBufferQueue.  This may be done while the buffer's contents are still
-    // being accessed.  The fence will signal when the buffer is no longer
-    // in use. frameNumber is used to indentify the exact buffer returned.
-    //
-    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
-    // any references to the just-released buffer that it might have, as if it
-    // had received a onBuffersReleased() call with a mask set for the released
-    // buffer.
-    virtual status_t releaseBuffer(int slot, uint64_t frameNumber,
-            const sp<Fence>& releaseFence);
-
-    // connect connects a consumer to the GonkBufferQueue.  Only one
-    // consumer may be connected, and when that consumer disconnects the
-    // GonkBufferQueue is placed into the "abandoned" state, causing most
-    // interactions with the GonkBufferQueue by the producer to fail.
-    // controlledByApp indicates whether the consumer is controlled by
-    // the application.
-    //
-    // consumerListener may not be NULL.
-    virtual status_t connect(const sp<IConsumerListener>& consumerListener,
-            bool controlledByApp);
-
-    // disconnect disconnects a consumer from the GonkBufferQueue. All
-    // buffers will be freed and the GonkBufferQueue is placed in the "abandoned"
-    // state, causing most interactions with the GonkBufferQueue by the producer to
-    // fail.
-    virtual status_t disconnect();
-
-    // getReleasedBuffers sets the value pointed to by outSlotMask to a bit mask
-    // indicating which buffer slots have been released by the GonkBufferQueue
-    // but have not yet been released by the consumer.
-    //
-    // This should be called from the onBuffersReleased() callback.
-    virtual status_t getReleasedBuffers(uint64_t* outSlotMask);
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // dequeueBuffer when a width and height of zero is requested.  Default
-    // is 1x1.
-    virtual status_t setDefaultBufferSize(uint32_t width, uint32_t height);
-
-    // setDefaultMaxBufferCount sets the default value for the maximum buffer
-    // count (the initial default is 2). If the producer has requested a
-    // buffer count using setBufferCount, the default buffer count will only
-    // take effect if the producer sets the count back to zero.
-    //
-    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    virtual status_t setDefaultMaxBufferCount(int bufferCount);
-
-    // disableAsyncBuffer disables the extra buffer used in async mode
-    // (when both producer and consumer have set their "isControlledByApp"
-    // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
-    //
-    // This can only be called before connect().
-    virtual status_t disableAsyncBuffer();
-
-    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
-    // be acquired by the consumer at one time (default 1).  This call will
-    // fail if a producer is connected to the GonkBufferQueue.
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
-
-    // setConsumerName sets the name used in logging
-    virtual void setConsumerName(const String8& name);
-
-    // setDefaultBufferFormat allows the GonkBufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
-    // These are merged with the bits passed to dequeueBuffer.  The values are
-    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    virtual status_t setConsumerUsageBits(uint32_t usage);
-
-    // setTransformHint bakes in rotation to buffers so overlays can be used.
-    // The values are enumerated in window.h, e.g.
-    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    virtual status_t setTransformHint(uint32_t hint);
-
-    // Retrieve the sideband buffer stream, if any.
-    virtual sp<NativeHandle> getSidebandStream() const;
-
-    // dump our state in a String
-    virtual void dumpToString(String8& result, const char* prefix) const;
-
-    // Added by mozilla
-    virtual already_AddRefed<GonkBufferSlot::TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    virtual int getSlotFromTextureClientLocked(GonkBufferSlot::TextureClient* client) const;
-
-    // Functions required for backwards compatibility.
-    // These will be modified/renamed in IGonkGraphicBufferConsumer and will be
-    // removed from this class at that time. See b/13306289.
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer,
-            bool controlledByApp) {
-        return connect(consumer, controlledByApp);
-    }
-
-    virtual status_t consumerDisconnect() { return disconnect(); }
-
-    // End functions required for backwards compatibility
-
-private:
-    sp<GonkBufferQueueCore> mCore;
-
-    // This references mCore->mSlots. Lock mCore->mMutex while accessing.
-    GonkBufferQueueDefs::SlotsType& mSlots;
-
-    // This is a cached copy of the name stored in the GonkBufferQueueCore.
-    // It's updated during setConsumerName.
-    String8 mConsumerName;
-
-}; // class GonkBufferQueueConsumer
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.cpp
deleted file mode 100644
index 9e8e337f6..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.cpp
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkBufferQueueCore"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include <inttypes.h>
-
-#include "GonkBufferItem.h"
-#include "GonkBufferQueueCore.h"
-#include <gui/IConsumerListener.h>
-#include <gui/IGraphicBufferAlloc.h>
-#include <gui/IProducerListener.h>
-#include <gui/ISurfaceComposer.h>
-#include <private/gui/ComposerService.h>
-
-#include <cutils/compiler.h>
-#include "mozilla/layers/GrallocTextureClient.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-
-template <typename T>
-static inline T max(T a, T b) { return a > b ? a : b; }
-
-namespace android {
-
-static String8 getUniqueName() {
-    static volatile int32_t counter = 0;
-    return String8::format("unnamed-%d-%d", getpid(),
-            android_atomic_inc(&counter));
-}
-
-GonkBufferQueueCore::GonkBufferQueueCore(const sp<IGraphicBufferAlloc>& allocator) :
-    mAllocator(allocator),
-    mMutex(),
-    mIsAbandoned(false),
-    mConsumerControlledByApp(false),
-    mConsumerName(getUniqueName()),
-    mConsumerListener(),
-    mConsumerUsageBits(0),
-    mConnectedApi(NO_CONNECTED_API),
-    mConnectedProducerListener(),
-    mSlots(),
-    mQueue(),
-    mOverrideMaxBufferCount(0),
-    mDequeueCondition(),
-    mUseAsyncBuffer(true),
-    mDequeueBufferCannotBlock(false),
-    mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
-    mDefaultWidth(1),
-    mDefaultHeight(1),
-    mDefaultMaxBufferCount(2),
-    mMaxAcquiredBufferCount(1),
-    mBufferHasBeenQueued(false),
-    mFrameCounter(0),
-    mTransformHint(0),
-    mIsAllocating(false),
-    mIsAllocatingCondition()
-{
-    ALOGV("GonkBufferQueueCore");
-}
-
-GonkBufferQueueCore::~GonkBufferQueueCore() {}
-
-void GonkBufferQueueCore::dump(String8& result, const char* prefix) const {
-    Mutex::Autolock lock(mMutex);
-
-    String8 fifo;
-    Fifo::const_iterator current(mQueue.begin());
-    while (current != mQueue.end()) {
-        fifo.appendFormat("%02d:%p crop=[%d,%d,%d,%d], "
-                "xform=0x%02x, time=%#" PRIx64 ", scale=%s\n",
-                current->mSlot, current->mGraphicBuffer.get(),
-                current->mCrop.left, current->mCrop.top, current->mCrop.right,
-                current->mCrop.bottom, current->mTransform, current->mTimestamp,
-                GonkBufferItem::scalingModeName(current->mScalingMode));
-        ++current;
-    }
-
-    result.appendFormat("%s-GonkBufferQueue mMaxAcquiredBufferCount=%d, "
-            "mDequeueBufferCannotBlock=%d, default-size=[%dx%d], "
-            "default-format=%d, transform-hint=%02x, FIFO(%zu)={%s}\n",
-            prefix, mMaxAcquiredBufferCount, mDequeueBufferCannotBlock,
-            mDefaultWidth, mDefaultHeight, mDefaultBufferFormat, mTransformHint,
-            mQueue.size(), fifo.string());
-
-    // Trim the free buffers so as to not spam the dump
-    int maxBufferCount = 0;
-    for (int s = GonkBufferQueueDefs::NUM_BUFFER_SLOTS - 1; s >= 0; --s) {
-        const GonkBufferSlot& slot(mSlots[s]);
-        if (slot.mBufferState != GonkBufferSlot::FREE ||
-                slot.mGraphicBuffer != NULL) {
-            maxBufferCount = s + 1;
-            break;
-        }
-    }
-
-    for (int s = 0; s < maxBufferCount; ++s) {
-        const GonkBufferSlot& slot(mSlots[s]);
-        const sp<GraphicBuffer>& buffer(slot.mGraphicBuffer);
-        result.appendFormat("%s%s[%02d:%p] state=%-8s", prefix,
-                (slot.mBufferState == GonkBufferSlot::ACQUIRED) ? ">" : " ",
-                s, buffer.get(),
-                GonkBufferSlot::bufferStateName(slot.mBufferState));
-
-        if (buffer != NULL) {
-            result.appendFormat(", %p [%4ux%4u:%4u,%3X]", buffer->handle,
-                    buffer->width, buffer->height, buffer->stride,
-                    buffer->format);
-        }
-
-        result.append("\n");
-    }
-}
-
-int GonkBufferQueueCore::getMinUndequeuedBufferCountLocked(bool async) const {
-    // If dequeueBuffer is allowed to error out, we don't have to add an
-    // extra buffer.
-    if (!mUseAsyncBuffer) {
-        return mMaxAcquiredBufferCount;
-    }
-
-    if (mDequeueBufferCannotBlock || async) {
-        return mMaxAcquiredBufferCount + 1;
-    }
-
-    return mMaxAcquiredBufferCount;
-}
-
-int GonkBufferQueueCore::getMinMaxBufferCountLocked(bool async) const {
-    return getMinUndequeuedBufferCountLocked(async) + 1;
-}
-
-int GonkBufferQueueCore::getMaxBufferCountLocked(bool async) const {
-    int minMaxBufferCount = getMinMaxBufferCountLocked(async);
-
-    int maxBufferCount = max(mDefaultMaxBufferCount, minMaxBufferCount);
-    if (mOverrideMaxBufferCount != 0) {
-        assert(mOverrideMaxBufferCount >= minMaxBufferCount);
-        maxBufferCount = mOverrideMaxBufferCount;
-    }
-
-    // Any buffers that are dequeued by the producer or sitting in the queue
-    // waiting to be consumed need to have their slots preserved. Such buffers
-    // will temporarily keep the max buffer count up until the slots no longer
-    // need to be preserved.
-    for (int s = maxBufferCount; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        GonkBufferSlot::BufferState state = mSlots[s].mBufferState;
-        if (state == GonkBufferSlot::QUEUED || state == GonkBufferSlot::DEQUEUED) {
-            maxBufferCount = s + 1;
-        }
-    }
-
-    return maxBufferCount;
-}
-
-status_t GonkBufferQueueCore::setDefaultMaxBufferCountLocked(int count) {
-    const int minBufferCount = 2;
-    if (count < minBufferCount || count > GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGV("setDefaultMaxBufferCount: invalid count %d, should be in "
-                "[%d, %d]",
-                count, minBufferCount, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    }
-
-    ALOGV("setDefaultMaxBufferCount: setting count to %d", count);
-    mDefaultMaxBufferCount = count;
-    mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-void GonkBufferQueueCore::freeBufferLocked(int slot) {
-    ALOGV("freeBufferLocked: slot %d", slot);
-
-    if (mSlots[slot].mTextureClient) {
-        mSlots[slot].mTextureClient->ClearRecycleCallback();
-        // release TextureClient in ImageBridge thread
-        RefPtr<TextureClientReleaseTask> task =
-          MakeAndAddRef<TextureClientReleaseTask>(mSlots[slot].mTextureClient);
-        mSlots[slot].mTextureClient = NULL;
-        ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-    }
-    mSlots[slot].mGraphicBuffer.clear();
-    if (mSlots[slot].mBufferState == GonkBufferSlot::ACQUIRED) {
-        mSlots[slot].mNeedsCleanupOnRelease = true;
-    }
-    mSlots[slot].mBufferState = GonkBufferSlot::FREE;
-    mSlots[slot].mFrameNumber = UINT32_MAX;
-    mSlots[slot].mAcquireCalled = false;
-
-    // Destroy fence as GonkBufferQueue now takes ownership
-    mSlots[slot].mFence = Fence::NO_FENCE;
-}
-
-void GonkBufferQueueCore::freeAllBuffersLocked() {
-    ALOGW_IF(!mQueue.isEmpty(),
-            "freeAllBuffersLocked called but mQueue is not empty");
-    mQueue.clear();
-    mBufferHasBeenQueued = false;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        freeBufferLocked(s);
-    }
-}
-
-bool GonkBufferQueueCore::stillTracking(const GonkBufferItem* item) const {
-    const GonkBufferSlot& slot = mSlots[item->mSlot];
-
-    ALOGV("stillTracking: item { slot=%d/%" PRIu64 " buffer=%p } "
-            "slot { slot=%d/%" PRIu64 " buffer=%p }",
-            item->mSlot, item->mFrameNumber,
-            (item->mGraphicBuffer.get() ? item->mGraphicBuffer->handle : 0),
-            item->mSlot, slot.mFrameNumber,
-            (slot.mGraphicBuffer.get() ? slot.mGraphicBuffer->handle : 0));
-
-    // Compare item with its original buffer slot. We can check the slot as
-    // the buffer would not be moved to a different slot by the producer.
-    return (slot.mGraphicBuffer != NULL) &&
-           (item->mGraphicBuffer->handle == slot.mGraphicBuffer->handle);
-}
-
-void GonkBufferQueueCore::waitWhileAllocatingLocked() const {
-    ATRACE_CALL();
-    while (mIsAllocating) {
-        mIsAllocatingCondition.wait(mMutex);
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.h
deleted file mode 100644
index 936e11686..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUECORE_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUECORE_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include "GonkBufferSlot.h"
-
-#include <utils/Condition.h>
-#include <utils/Mutex.h>
-#include <utils/NativeHandle.h>
-#include <utils/RefBase.h>
-#include <utils/String8.h>
-#include <utils/StrongPointer.h>
-#include <utils/Trace.h>
-#include <utils/Vector.h>
-
-#include "mozilla/layers/TextureClient.h"
-
-#define ATRACE_BUFFER_INDEX(index)
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::layers;
-
-namespace android {
-
-class GonkBufferItem;
-class IConsumerListener;
-class IGraphicBufferAlloc;
-class IProducerListener;
-
-class GonkBufferQueueCore : public virtual RefBase {
-
-    friend class GonkBufferQueueProducer;
-    friend class GonkBufferQueueConsumer;
-
-public:
-    // Used as a placeholder slot number when the value isn't pointing to an
-    // existing buffer.
-    enum { INVALID_BUFFER_SLOT = -1 }; // TODO: Extract from IGBC::BufferItem
-
-    // We reserve two slots in order to guarantee that the producer and
-    // consumer can run asynchronously.
-    enum { MAX_MAX_ACQUIRED_BUFFERS = GonkBufferQueueDefs::NUM_BUFFER_SLOTS - 2 };
-
-    // The default API number used to indicate that no producer is connected
-    enum { NO_CONNECTED_API = 0 };
-
-    typedef Vector<GonkBufferItem> Fifo;
-    typedef mozilla::layers::TextureClient TextureClient;
-
-    // GonkBufferQueueCore manages a pool of gralloc memory slots to be used by
-    // producers and consumers. allocator is used to allocate all the needed
-    // gralloc buffers.
-    GonkBufferQueueCore(const sp<IGraphicBufferAlloc>& allocator = NULL);
-    virtual ~GonkBufferQueueCore();
-
-private:
-    // Dump our state in a string
-    void dump(String8& result, const char* prefix) const;
-
-    int getSlotFromTextureClientLocked(TextureClient* client) const;
-
-    // getMinUndequeuedBufferCountLocked returns the minimum number of buffers
-    // that must remain in a state other than DEQUEUED. The async parameter
-    // tells whether we're in asynchronous mode.
-    int getMinUndequeuedBufferCountLocked(bool async) const;
-
-    // getMinMaxBufferCountLocked returns the minimum number of buffers allowed
-    // given the current GonkBufferQueue state. The async parameter tells whether
-    // we're in asynchonous mode.
-    int getMinMaxBufferCountLocked(bool async) const;
-
-    // getMaxBufferCountLocked returns the maximum number of buffers that can be
-    // allocated at once. This value depends on the following member variables:
-    //
-    //     mDequeueBufferCannotBlock
-    //     mMaxAcquiredBufferCount
-    //     mDefaultMaxBufferCount
-    //     mOverrideMaxBufferCount
-    //     async parameter
-    //
-    // Any time one of these member variables is changed while a producer is
-    // connected, mDequeueCondition must be broadcast.
-    int getMaxBufferCountLocked(bool async) const;
-
-    // setDefaultMaxBufferCountLocked sets the maximum number of buffer slots
-    // that will be used if the producer does not override the buffer slot
-    // count. The count must be between 2 and NUM_BUFFER_SLOTS, inclusive. The
-    // initial default is 2.
-    status_t setDefaultMaxBufferCountLocked(int count);
-
-    // freeBufferLocked frees the GraphicBuffer and sync resources for the
-    // given slot.
-    void freeBufferLocked(int slot);
-
-    // freeAllBuffersLocked frees the GraphicBuffer and sync resources for
-    // all slots.
-    void freeAllBuffersLocked();
-
-    // stillTracking returns true iff the buffer item is still being tracked
-    // in one of the slots.
-    bool stillTracking(const GonkBufferItem* item) const;
-
-    // waitWhileAllocatingLocked blocks until mIsAllocating is false.
-    void waitWhileAllocatingLocked() const;
-
-    // mAllocator is the connection to SurfaceFlinger that is used to allocate
-    // new GraphicBuffer objects.
-    sp<IGraphicBufferAlloc> mAllocator;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkBufferQueueCore objects. It must be locked whenever any
-    // member variable is accessed.
-    mutable Mutex mMutex;
-
-    // mIsAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume image buffers pushed to it using the IGraphicBufferProducer
-    // interface. It is initialized to false, and set to true in the
-    // consumerDisconnect method. A GonkBufferQueue that is abandoned will return
-    // the NO_INIT error from all IGraphicBufferProducer methods capable of
-    // returning an error.
-    bool mIsAbandoned;
-
-    // mConsumerControlledByApp indicates whether the connected consumer is
-    // controlled by the application.
-    bool mConsumerControlledByApp;
-
-    // mConsumerName is a string used to identify the GonkBufferQueue in log
-    // messages. It is set by the IGraphicBufferConsumer::setConsumerName
-    // method.
-    String8 mConsumerName;
-
-    // mConsumerListener is used to notify the connected consumer of
-    // asynchronous events that it may wish to react to. It is initially
-    // set to NULL and is written by consumerConnect and consumerDisconnect.
-    sp<IConsumerListener> mConsumerListener;
-
-    // mConsumerUsageBits contains flags that the consumer wants for
-    // GraphicBuffers.
-    uint32_t mConsumerUsageBits;
-
-    // mConnectedApi indicates the producer API that is currently connected
-    // to this GonkBufferQueue. It defaults to NO_CONNECTED_API, and gets updated
-    // by the connect and disconnect methods.
-    int mConnectedApi;
-
-    // mConnectedProducerToken is used to set a binder death notification on
-    // the producer.
-    sp<IProducerListener> mConnectedProducerListener;
-
-    // mSlots is an array of buffer slots that must be mirrored on the producer
-    // side. This allows buffer ownership to be transferred between the producer
-    // and consumer without sending a GraphicBuffer over Binder. The entire
-    // array is initialized to NULL at construction time, and buffers are
-    // allocated for a slot when requestBuffer is called with that slot's index.
-    GonkBufferQueueDefs::SlotsType mSlots;
-
-    // mQueue is a FIFO of queued buffers used in synchronous mode.
-    Fifo mQueue;
-
-    // mOverrideMaxBufferCount is the limit on the number of buffers that will
-    // be allocated at one time. This value is set by the producer by calling
-    // setBufferCount. The default is 0, which means that the producer doesn't
-    // care about the number of buffers in the pool. In that case,
-    // mDefaultMaxBufferCount is used as the limit.
-    int mOverrideMaxBufferCount;
-
-    // mDequeueCondition is a condition variable used for dequeueBuffer in
-    // synchronous mode.
-    mutable Condition mDequeueCondition;
-
-    // mUseAsyncBuffer indicates whether an extra buffer is used in async mode
-    // to prevent dequeueBuffer from blocking.
-    bool mUseAsyncBuffer;
-
-    // mDequeueBufferCannotBlock indicates whether dequeueBuffer is allowed to
-    // block. This flag is set during connect when both the producer and
-    // consumer are controlled by the application.
-    bool mDequeueBufferCannotBlock;
-
-    // mDefaultBufferFormat can be set so it will override the buffer format
-    // when it isn't specified in dequeueBuffer.
-    uint32_t mDefaultBufferFormat;
-
-    // mDefaultWidth holds the default width of allocated buffers. It is used
-    // in dequeueBuffer if a width and height of 0 are specified.
-    int mDefaultWidth;
-
-    // mDefaultHeight holds the default height of allocated buffers. It is used
-    // in dequeueBuffer if a width and height of 0 are specified.
-    int mDefaultHeight;
-
-    // mDefaultMaxBufferCount is the default limit on the number of buffers that
-    // will be allocated at one time. This default limit is set by the consumer.
-    // The limit (as opposed to the default limit) may be overriden by the
-    // producer.
-    int mDefaultMaxBufferCount;
-
-    // mMaxAcquiredBufferCount is the number of buffers that the consumer may
-    // acquire at one time. It defaults to 1, and can be changed by the consumer
-    // via setMaxAcquiredBufferCount, but this may only be done while no
-    // producer is connected to the GonkBufferQueue. This value is used to derive
-    // the value returned for the MIN_UNDEQUEUED_BUFFERS query to the producer.
-    int mMaxAcquiredBufferCount;
-
-    // mBufferHasBeenQueued is true once a buffer has been queued. It is reset
-    // when something causes all buffers to be freed (e.g., changing the buffer
-    // count).
-    bool mBufferHasBeenQueued;
-
-    // mFrameCounter is the free running counter, incremented on every
-    // successful queueBuffer call and buffer allocation.
-    uint64_t mFrameCounter;
-
-    // mTransformHint is used to optimize for screen rotations.
-    uint32_t mTransformHint;
-
-    // mSidebandStream is a handle to the sideband buffer stream, if any
-    sp<NativeHandle> mSidebandStream;
-
-    // mIsAllocating indicates whether a producer is currently trying to allocate buffers (which
-    // releases mMutex while doing the allocation proper). Producers should not modify any of the
-    // FREE slots while this is true. mIsAllocatingCondition is signaled when this value changes to
-    // false.
-    bool mIsAllocating;
-
-    // mIsAllocatingCondition is a condition variable used by producers to wait until mIsAllocating
-    // becomes false.
-    mutable Condition mIsAllocatingCondition;
-}; // class GonkBufferQueueCore
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueDefs.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueDefs.h
deleted file mode 100644
index 60085706f..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueDefs.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_BUFFERQUEUECOREDEFS_H
-#define NATIVEWINDOW_BUFFERQUEUECOREDEFS_H
-
-#include "GonkBufferSlot.h"
-
-namespace android {
-    class GonkBufferQueueCore;
-
-    namespace GonkBufferQueueDefs {
-        // GonkBufferQueue will keep track of at most this value of buffers.
-        // Attempts at runtime to increase the number of buffers past this
-        // will fail.
-        enum { NUM_BUFFER_SLOTS = 64 };
-
-        typedef GonkBufferSlot SlotsType[NUM_BUFFER_SLOTS];
-    } // namespace GonkBufferQueueDefs
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.cpp
deleted file mode 100644
index 649d06bee..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkBufferQueue"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#define LOG_NDEBUG 0
-
-#include "GonkBufferQueue.h"
-#include "GonkBufferQueueConsumer.h"
-#include "GonkBufferQueueCore.h"
-#include "GonkBufferQueueProducer.h"
-
-namespace android {
-
-GonkBufferQueue::ProxyConsumerListener::ProxyConsumerListener(
-        const wp<ConsumerListener>& consumerListener):
-        mConsumerListener(consumerListener) {}
-
-GonkBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
-
-#if ANDROID_VERSION == 21
-void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameAvailable();
-    }
-}
-#else
-void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable(const ::android::BufferItem& item) {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameAvailable(item);
-    }
-}
-
-void GonkBufferQueue::ProxyConsumerListener::onFrameReplaced(const ::android::BufferItem& item) {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameReplaced(item);
-    }
-}
-#endif
-
-void GonkBufferQueue::ProxyConsumerListener::onBuffersReleased() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-}
-
-void GonkBufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onSidebandStreamChanged();
-    }
-}
-
-void GonkBufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
-        sp<IGonkGraphicBufferConsumer>* outConsumer,
-        const sp<IGraphicBufferAlloc>& allocator) {
-    LOG_ALWAYS_FATAL_IF(outProducer == NULL,
-            "GonkBufferQueue: outProducer must not be NULL");
-    LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
-            "GonkBufferQueue: outConsumer must not be NULL");
-
-    sp<GonkBufferQueueCore> core(new GonkBufferQueueCore(allocator));
-    LOG_ALWAYS_FATAL_IF(core == NULL,
-            "GonkBufferQueue: failed to create GonkBufferQueueCore");
-
-    sp<IGraphicBufferProducer> producer(new GonkBufferQueueProducer(core));
-    LOG_ALWAYS_FATAL_IF(producer == NULL,
-            "GonkBufferQueue: failed to create GonkBufferQueueProducer");
-
-    sp<IGonkGraphicBufferConsumer> consumer(new GonkBufferQueueConsumer(core));
-    LOG_ALWAYS_FATAL_IF(consumer == NULL,
-            "GonkBufferQueue: failed to create GonkBufferQueueConsumer");
-
-    *outProducer = producer;
-    *outConsumer = consumer;
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.h
deleted file mode 100644
index b1b4e06b5..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUE_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUE_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include "IGonkGraphicBufferConsumerLL.h"
-#include <gui/IGraphicBufferProducer.h>
-#include <gui/IConsumerListener.h>
-
-// These are only required to keep other parts of the framework with incomplete
-// dependencies building successfully
-#include <gui/IGraphicBufferAlloc.h>
-
-namespace android {
-
-class GonkBufferQueue {
-public:
-    // GonkBufferQueue will keep track of at most this value of buffers.
-    // Attempts at runtime to increase the number of buffers past this will fail.
-    enum { NUM_BUFFER_SLOTS = GonkBufferQueueDefs::NUM_BUFFER_SLOTS };
-    // Used as a placeholder slot# when the value isn't pointing to an existing buffer.
-    enum { INVALID_BUFFER_SLOT = IGonkGraphicBufferConsumer::BufferItem::INVALID_BUFFER_SLOT };
-    // Alias to <IGonkGraphicBufferConsumer.h> -- please scope from there in future code!
-    enum {
-        NO_BUFFER_AVAILABLE = IGonkGraphicBufferConsumer::NO_BUFFER_AVAILABLE,
-        PRESENT_LATER = IGonkGraphicBufferConsumer::PRESENT_LATER,
-    };
-
-    // When in async mode we reserve two slots in order to guarantee that the
-    // producer and consumer can run asynchronously.
-    enum { MAX_MAX_ACQUIRED_BUFFERS = NUM_BUFFER_SLOTS - 2 };
-
-    // for backward source compatibility
-    typedef ::android::ConsumerListener ConsumerListener;
-    typedef IGonkGraphicBufferConsumer::BufferItem BufferItem;
-
-    // ProxyConsumerListener is a ConsumerListener implementation that keeps a weak
-    // reference to the actual consumer object.  It forwards all calls to that
-    // consumer object so long as it exists.
-    //
-    // This class exists to avoid having a circular reference between the
-    // GonkBufferQueue object and the consumer object.  The reason this can't be a weak
-    // reference in the GonkBufferQueue class is because we're planning to expose the
-    // consumer side of a GonkBufferQueue as a binder interface, which doesn't support
-    // weak references.
-    class ProxyConsumerListener : public BnConsumerListener {
-    public:
-        ProxyConsumerListener(const wp<ConsumerListener>& consumerListener);
-        virtual ~ProxyConsumerListener();
-#if ANDROID_VERSION == 21
-        virtual void onFrameAvailable();
-#else
-        virtual void onFrameAvailable(const ::android::BufferItem& item);
-        virtual void onFrameReplaced(const ::android::BufferItem& item);
-#endif
-        virtual void onBuffersReleased();
-        virtual void onSidebandStreamChanged();
-    private:
-        // mConsumerListener is a weak reference to the IConsumerListener.  This is
-        // the raison d'etre of ProxyConsumerListener.
-        wp<ConsumerListener> mConsumerListener;
-    };
-
-    // GonkBufferQueue manages a pool of gralloc memory slots to be used by
-    // producers and consumers. allocator is used to allocate all the
-    // needed gralloc buffers.
-    static void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
-            sp<IGonkGraphicBufferConsumer>* outConsumer,
-            const sp<IGraphicBufferAlloc>& allocator = NULL);
-
-private:
-    GonkBufferQueue(); // Create through createBufferQueue
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // NATIVEWINDOW_GONKBUFFERQUEUE_LL_H
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.cpp
deleted file mode 100644
index d3436756f..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.cpp
+++ /dev/null
@@ -1,886 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-
-#define LOG_TAG "GonkBufferQueueProducer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include "GonkBufferItem.h"
-#include "GonkBufferQueueCore.h"
-#include "GonkBufferQueueProducer.h"
-#include <gui/IConsumerListener.h>
-#include <gui/IGraphicBufferAlloc.h>
-#include <gui/IProducerListener.h>
-
-#include <cutils/compiler.h>
-#include <utils/Log.h>
-#include <utils/Trace.h>
-
-#include "mozilla/layers/GrallocTextureClient.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-#include "mozilla/layers/TextureClient.h"
-
-namespace android {
-
-GonkBufferQueueProducer::GonkBufferQueueProducer(const sp<GonkBufferQueueCore>& core) :
-    mCore(core),
-    mSlots(core->mSlots),
-    mConsumerName(),
-    mSynchronousMode(true),
-    mStickyTransform(0) {}
-
-GonkBufferQueueProducer::~GonkBufferQueueProducer() {}
-
-status_t GonkBufferQueueProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
-    ATRACE_CALL();
-    ALOGV("requestBuffer: slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("requestBuffer: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("requestBuffer: slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-        ALOGE("requestBuffer: slot %d is not owned by the producer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    }
-
-    mSlots[slot].mRequestBufferCalled = true;
-    *buf = mSlots[slot].mGraphicBuffer;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::setBufferCount(int bufferCount) {
-    ATRACE_CALL();
-    ALOGV("setBufferCount: count = %d", bufferCount);
-
-    sp<IConsumerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mCore->waitWhileAllocatingLocked();
-
-        if (mCore->mIsAbandoned) {
-            ALOGE("setBufferCount: GonkBufferQueue has been abandoned");
-            return NO_INIT;
-        }
-
-        if (bufferCount > GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-            ALOGE("setBufferCount: bufferCount %d too large (max %d)",
-                    bufferCount, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-            return BAD_VALUE;
-        }
-
-        // There must be no dequeued buffers when changing the buffer count.
-        for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-            if (mSlots[s].mBufferState == GonkBufferSlot::DEQUEUED) {
-                ALOGE("setBufferCount: buffer owned by producer");
-                return BAD_VALUE;
-            }
-        }
-
-        if (bufferCount == 0) {
-            mCore->mOverrideMaxBufferCount = 0;
-            mCore->mDequeueCondition.broadcast();
-            return NO_ERROR;
-        }
-
-        const int minBufferSlots = mCore->getMinMaxBufferCountLocked(false);
-        if (bufferCount < minBufferSlots) {
-            ALOGE("setBufferCount: requested buffer count %d is less than "
-                    "minimum %d", bufferCount, minBufferSlots);
-            return BAD_VALUE;
-        }
-
-        // Here we are guaranteed that the producer doesn't have any dequeued
-        // buffers and will release all of its buffer references. We don't
-        // clear the queue, however, so that currently queued buffers still
-        // get displayed.
-        mCore->freeAllBuffersLocked();
-        mCore->mOverrideMaxBufferCount = bufferCount;
-        mCore->mDequeueCondition.broadcast();
-        listener = mCore->mConsumerListener;
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::waitForFreeSlotThenRelock(const char* caller,
-        bool async, int* found, status_t* returnFlags) const {
-    bool tryAgain = true;
-    while (tryAgain) {
-        if (mCore->mIsAbandoned) {
-            ALOGE("%s: GonkBufferQueue has been abandoned", caller);
-            return NO_INIT;
-        }
-
-        const int maxBufferCount = mCore->getMaxBufferCountLocked(async);
-        if (async && mCore->mOverrideMaxBufferCount) {
-            // FIXME: Some drivers are manually setting the buffer count
-            // (which they shouldn't), so we do this extra test here to
-            // handle that case. This is TEMPORARY until we get this fixed.
-            if (mCore->mOverrideMaxBufferCount < maxBufferCount) {
-                ALOGE("%s: async mode is invalid with buffer count override",
-                        caller);
-                return BAD_VALUE;
-            }
-        }
-
-        // Free up any buffers that are in slots beyond the max buffer count
-        //for (int s = maxBufferCount; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        //    assert(mSlots[s].mBufferState == GonkBufferSlot::FREE);
-        //    if (mSlots[s].mGraphicBuffer != NULL) {
-        //        mCore->freeBufferLocked(s);
-        //        *returnFlags |= RELEASE_ALL_BUFFERS;
-        //    }
-        //}
-
-        // Look for a free buffer to give to the client
-        *found = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-        int dequeuedCount = 0;
-        int acquiredCount = 0;
-        for (int s = 0; s < maxBufferCount; ++s) {
-            switch (mSlots[s].mBufferState) {
-                case GonkBufferSlot::DEQUEUED:
-                    ++dequeuedCount;
-                    break;
-                case GonkBufferSlot::ACQUIRED:
-                    ++acquiredCount;
-                    break;
-                case GonkBufferSlot::FREE:
-                    // We return the oldest of the free buffers to avoid
-                    // stalling the producer if possible, since the consumer
-                    // may still have pending reads of in-flight buffers
-                    if (*found == GonkBufferQueueCore::INVALID_BUFFER_SLOT ||
-                            mSlots[s].mFrameNumber < mSlots[*found].mFrameNumber) {
-                        *found = s;
-                    }
-                    break;
-                default:
-                    break;
-            }
-        }
-
-        // Producers are not allowed to dequeue more than one buffer if they
-        // did not set a buffer count
-        if (!mCore->mOverrideMaxBufferCount && dequeuedCount) {
-            ALOGE("%s: can't dequeue multiple buffers without setting the "
-                    "buffer count", caller);
-            return INVALID_OPERATION;
-        }
-
-        // See whether a buffer has been queued since the last
-        // setBufferCount so we know whether to perform the min undequeued
-        // buffers check below
-        if (mCore->mBufferHasBeenQueued) {
-            // Make sure the producer is not trying to dequeue more buffers
-            // than allowed
-            const int newUndequeuedCount =
-                maxBufferCount - (dequeuedCount + 1);
-            const int minUndequeuedCount =
-                mCore->getMinUndequeuedBufferCountLocked(async);
-            if (newUndequeuedCount < minUndequeuedCount) {
-                ALOGE("%s: min undequeued buffer count (%d) exceeded "
-                        "(dequeued=%d undequeued=%d)",
-                        caller, minUndequeuedCount,
-                        dequeuedCount, newUndequeuedCount);
-                return INVALID_OPERATION;
-            }
-        }
-
-        // If we disconnect and reconnect quickly, we can be in a state where
-        // our slots are empty but we have many buffers in the queue. This can
-        // cause us to run out of memory if we outrun the consumer. Wait here if
-        // it looks like we have too many buffers queued up.
-        bool tooManyBuffers = mCore->mQueue.size()
-                            > static_cast<size_t>(maxBufferCount);
-        if (tooManyBuffers) {
-            ALOGV("%s: queue size is %zu, waiting", caller,
-                    mCore->mQueue.size());
-        }
-
-        // If no buffer is found, or if the queue has too many buffers
-        // outstanding, wait for a buffer to be acquired or released, or for the
-        // max buffer count to change.
-        tryAgain = (*found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) ||
-                   tooManyBuffers;
-        if (tryAgain) {
-            // Return an error if we're in non-blocking mode (producer and
-            // consumer are controlled by the application).
-            // However, the consumer is allowed to briefly acquire an extra
-            // buffer (which could cause us to have to wait here), which is
-            // okay, since it is only used to implement an atomic acquire +
-            // release (e.g., in GLConsumer::updateTexImage())
-            if (mCore->mDequeueBufferCannotBlock &&
-                    (acquiredCount <= mCore->mMaxAcquiredBufferCount)) {
-                return WOULD_BLOCK;
-            }
-            mCore->mDequeueCondition.wait(mCore->mMutex);
-        }
-    } // while (tryAgain)
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::dequeueBuffer(int *outSlot,
-        sp<android::Fence> *outFence, bool async,
-        uint32_t width, uint32_t height, uint32_t format, uint32_t usage) {
-    ATRACE_CALL();
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mConsumerName = mCore->mConsumerName;
-    } // Autolock scope
-
-    ALOGV("dequeueBuffer: async=%s w=%u h=%u format=%#x, usage=%#x",
-            async ? "true" : "false", width, height, format, usage);
-
-    if ((width && !height) || (!width && height)) {
-        ALOGE("dequeueBuffer: invalid size: w=%u h=%u", width, height);
-        return BAD_VALUE;
-    }
-
-    status_t returnFlags = NO_ERROR;
-    // Reset slot
-    *outSlot = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-
-    bool attachedByConsumer = false;
-
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mCore->waitWhileAllocatingLocked();
-
-        if (format == 0) {
-            format = mCore->mDefaultBufferFormat;
-        }
-
-        // Enable the usage bits the consumer requested
-        usage |= mCore->mConsumerUsageBits;
-
-        int found;
-        status_t status = waitForFreeSlotThenRelock("dequeueBuffer", async,
-                &found, &returnFlags);
-        if (status != NO_ERROR) {
-            return status;
-        }
-
-        // This should not happen
-        if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-            ALOGE("dequeueBuffer: no available buffer slots");
-            return -EBUSY;
-        }
-
-        *outSlot = found;
-
-        attachedByConsumer = mSlots[found].mAttachedByConsumer;
-
-        const bool useDefaultSize = !width && !height;
-        if (useDefaultSize) {
-            width = mCore->mDefaultWidth;
-            height = mCore->mDefaultHeight;
-        }
-
-        mSlots[found].mBufferState = GonkBufferSlot::DEQUEUED;
-
-        const sp<GraphicBuffer>& buffer(mSlots[found].mGraphicBuffer);
-        if ((buffer == NULL) ||
-                (static_cast<uint32_t>(buffer->width) != width) ||
-                (static_cast<uint32_t>(buffer->height) != height) ||
-                (static_cast<uint32_t>(buffer->format) != format) ||
-                ((static_cast<uint32_t>(buffer->usage) & usage) != usage))
-        {
-            mSlots[found].mAcquireCalled = false;
-            mSlots[found].mGraphicBuffer = NULL;
-            mSlots[found].mRequestBufferCalled = false;
-            mSlots[found].mFence = Fence::NO_FENCE;
-
-            if (mSlots[found].mTextureClient) {
-                mSlots[found].mTextureClient->ClearRecycleCallback();
-                // release TextureClient in ImageBridge thread
-                RefPtr<TextureClientReleaseTask> task =
-                  MakeAndAddRef<TextureClientReleaseTask>(mSlots[found].mTextureClient);
-                mSlots[found].mTextureClient = NULL;
-                ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-            }
-
-            returnFlags |= BUFFER_NEEDS_REALLOCATION;
-        }
-
-        if (CC_UNLIKELY(mSlots[found].mFence == NULL)) {
-            ALOGE("dequeueBuffer: about to return a NULL fence - "
-                    "slot=%d w=%d h=%d format=%u",
-                    found, buffer->width, buffer->height, buffer->format);
-        }
-
-        *outFence = mSlots[found].mFence;
-        mSlots[found].mFence = Fence::NO_FENCE;
-    } // Autolock scope
-
-    if (returnFlags & BUFFER_NEEDS_REALLOCATION) {
-        RefPtr<LayersIPCChannel> allocator = ImageBridgeChild::GetSingleton();
-        usage |= GraphicBuffer::USAGE_HW_TEXTURE;
-        GrallocTextureData* texData = GrallocTextureData::Create(IntSize(width,height), format,
-                                                                 gfx::BackendType::NONE,
-                                                                 usage, allocator);
-        if (!texData) {
-            ALOGE("dequeueBuffer: failed to alloc gralloc buffer");
-            return -ENOMEM;
-        }
-        RefPtr<TextureClient> textureClient = TextureClient::CreateWithData(
-            texData, TextureFlags::RECYCLE | TextureFlags::DEALLOCATE_CLIENT, allocator);
-
-        sp<GraphicBuffer> graphicBuffer = texData->GetGraphicBuffer();
-
-        { // Autolock scope
-            Mutex::Autolock lock(mCore->mMutex);
-
-            if (mCore->mIsAbandoned) {
-                ALOGE("dequeueBuffer: GonkBufferQueue has been abandoned");
-                return NO_INIT;
-            }
-
-            mSlots[*outSlot].mFrameNumber = UINT32_MAX;
-            mSlots[*outSlot].mGraphicBuffer = graphicBuffer;
-            mSlots[*outSlot].mTextureClient = textureClient;
-        } // Autolock scope
-    }
-
-    if (attachedByConsumer) {
-        returnFlags |= BUFFER_NEEDS_REALLOCATION;
-    }
-
-    ALOGV("dequeueBuffer: returning slot=%d/%" PRIu64 " buf=%p flags=%#x",
-            *outSlot,
-            mSlots[*outSlot].mFrameNumber,
-            mSlots[*outSlot].mGraphicBuffer->handle, returnFlags);
-
-    return returnFlags;
-}
-
-status_t GonkBufferQueueProducer::detachBuffer(int slot) {
-    ATRACE_CALL();
-    ATRACE_BUFFER_INDEX(slot);
-    ALOGV("detachBuffer(P): slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("detachBuffer(P): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("detachBuffer(P): slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-        ALOGE("detachBuffer(P): slot %d is not owned by the producer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    } else if (!mSlots[slot].mRequestBufferCalled) {
-        ALOGE("detachBuffer(P): buffer in slot %d has not been requested",
-                slot);
-        return BAD_VALUE;
-    }
-
-    mCore->freeBufferLocked(slot);
-    mCore->mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-        sp<Fence>* outFence) {
-    ATRACE_CALL();
-
-    if (outBuffer == NULL) {
-        ALOGE("detachNextBuffer: outBuffer must not be NULL");
-        return BAD_VALUE;
-    } else if (outFence == NULL) {
-        ALOGE("detachNextBuffer: outFence must not be NULL");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->waitWhileAllocatingLocked();
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("detachNextBuffer: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    // Find the oldest valid slot
-    int found = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (mSlots[s].mBufferState == GonkBufferSlot::FREE &&
-                mSlots[s].mGraphicBuffer != NULL) {
-            if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT ||
-                    mSlots[s].mFrameNumber < mSlots[found].mFrameNumber) {
-                found = s;
-            }
-        }
-    }
-
-    if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-        return NO_MEMORY;
-    }
-
-    ALOGV("detachNextBuffer detached slot %d", found);
-
-    *outBuffer = mSlots[found].mGraphicBuffer;
-    *outFence = mSlots[found].mFence;
-    mCore->freeBufferLocked(found);
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::attachBuffer(int* outSlot,
-        const sp<android::GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-
-    if (outSlot == NULL) {
-        ALOGE("attachBuffer(P): outSlot must not be NULL");
-        return BAD_VALUE;
-    } else if (buffer == NULL) {
-        ALOGE("attachBuffer(P): cannot attach NULL buffer");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->waitWhileAllocatingLocked();
-
-    status_t returnFlags = NO_ERROR;
-    int found;
-    // TODO: Should we provide an async flag to attachBuffer? It seems
-    // unlikely that buffers which we are attaching to a GonkBufferQueue will
-    // be asynchronous (droppable), but it may not be impossible.
-    status_t status = waitForFreeSlotThenRelock("attachBuffer(P)", false,
-            &found, &returnFlags);
-    if (status != NO_ERROR) {
-        return status;
-    }
-
-    // This should not happen
-    if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-        ALOGE("attachBuffer(P): no available buffer slots");
-        return -EBUSY;
-    }
-
-    *outSlot = found;
-    ATRACE_BUFFER_INDEX(*outSlot);
-    ALOGV("attachBuffer(P): returning slot %d flags=%#x",
-            *outSlot, returnFlags);
-
-    mSlots[*outSlot].mGraphicBuffer = buffer;
-    mSlots[*outSlot].mBufferState = GonkBufferSlot::DEQUEUED;
-    mSlots[*outSlot].mFence = Fence::NO_FENCE;
-    mSlots[*outSlot].mRequestBufferCalled = true;
-
-    return returnFlags;
-}
-
-status_t GonkBufferQueueProducer::setSynchronousMode(bool enabled) {
-    ALOGV("setSynchronousMode: enabled=%d", enabled);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("setSynchronousMode: BufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    if (mSynchronousMode != enabled) {
-        mSynchronousMode = enabled;
-        mCore->mDequeueCondition.broadcast();
-    }
-    return OK;
-}
-
-status_t GonkBufferQueueProducer::queueBuffer(int slot,
-        const QueueBufferInput &input, QueueBufferOutput *output) {
-    ATRACE_CALL();
-
-    int64_t timestamp;
-    bool isAutoTimestamp;
-    Rect crop;
-    int scalingMode;
-    uint32_t transform;
-    uint32_t stickyTransform;
-    bool async;
-    sp<Fence> fence;
-    input.deflate(&timestamp, &isAutoTimestamp, &crop, &scalingMode, &transform,
-            &async, &fence, &stickyTransform);
-
-    if (fence == NULL) {
-        ALOGE("queueBuffer: fence is NULL");
-        // Temporary workaround for b/17946343: soldier-on instead of returning an error. This
-        // prevents the client from dying, at the risk of visible corruption due to hwcomposer
-        // reading the buffer before the producer is done rendering it. Unless the buffer is the
-        // last frame of an animation, the corruption will be transient.
-        fence = Fence::NO_FENCE;
-        // return BAD_VALUE;
-    }
-
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE:
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
-        case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP:
-            break;
-        default:
-            ALOGE("queueBuffer: unknown scaling mode %d", scalingMode);
-            return BAD_VALUE;
-    }
-
-    GonkBufferItem item;
-    sp<IConsumerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-
-        if (mCore->mIsAbandoned) {
-            ALOGE("queueBuffer: GonkBufferQueue has been abandoned");
-            return NO_INIT;
-        }
-
-        const int maxBufferCount = mCore->getMaxBufferCountLocked(async);
-        if (async && mCore->mOverrideMaxBufferCount) {
-            // FIXME: Some drivers are manually setting the buffer count
-            // (which they shouldn't), so we do this extra test here to
-            // handle that case. This is TEMPORARY until we get this fixed.
-            if (mCore->mOverrideMaxBufferCount < maxBufferCount) {
-                ALOGE("queueBuffer: async mode is invalid with "
-                        "buffer count override");
-                return BAD_VALUE;
-            }
-        }
-
-        if (slot < 0 || slot >= maxBufferCount) {
-            ALOGE("queueBuffer: slot index %d out of range [0, %d)",
-                    slot, maxBufferCount);
-            return BAD_VALUE;
-        } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-            ALOGE("queueBuffer: slot %d is not owned by the producer "
-                    "(state = %d)", slot, mSlots[slot].mBufferState);
-            return BAD_VALUE;
-        } else if (!mSlots[slot].mRequestBufferCalled) {
-            ALOGE("queueBuffer: slot %d was queued without requesting "
-                    "a buffer", slot);
-            return BAD_VALUE;
-        }
-
-        ALOGV("queueBuffer: slot=%d/%" PRIu64 " time=%" PRIu64
-                " crop=[%d,%d,%d,%d] transform=%#x scale=%s",
-                slot, mCore->mFrameCounter + 1, timestamp,
-                crop.left, crop.top, crop.right, crop.bottom,
-                transform, GonkBufferItem::scalingModeName(scalingMode));
-
-        const sp<GraphicBuffer>& graphicBuffer(mSlots[slot].mGraphicBuffer);
-        Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight());
-        Rect croppedRect;
-        crop.intersect(bufferRect, &croppedRect);
-        if (croppedRect != crop) {
-            ALOGE("queueBuffer: crop rect is not contained within the "
-                    "buffer in slot %d", slot);
-            return BAD_VALUE;
-        }
-
-        mSlots[slot].mFence = fence;
-        mSlots[slot].mBufferState = GonkBufferSlot::QUEUED;
-        ++mCore->mFrameCounter;
-        mSlots[slot].mFrameNumber = mCore->mFrameCounter;
-
-        item.mAcquireCalled = mSlots[slot].mAcquireCalled;
-        item.mGraphicBuffer = mSlots[slot].mGraphicBuffer;
-        item.mCrop = crop;
-        item.mTransform = transform & ~NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
-        item.mTransformToDisplayInverse =
-                bool(transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY);
-        item.mScalingMode = scalingMode;
-        item.mTimestamp = timestamp;
-        item.mIsAutoTimestamp = isAutoTimestamp;
-        item.mFrameNumber = mCore->mFrameCounter;
-        item.mSlot = slot;
-        item.mFence = fence;
-        item.mIsDroppable = mCore->mDequeueBufferCannotBlock || async;
-
-        mStickyTransform = stickyTransform;
-
-        if (mCore->mQueue.empty()) {
-            // When the queue is empty, we can ignore mDequeueBufferCannotBlock
-            // and simply queue this buffer
-            mCore->mQueue.push_back(item);
-            listener = mCore->mConsumerListener;
-        } else {
-            // When the queue is not empty, we need to look at the front buffer
-            // state to see if we need to replace it
-            GonkBufferQueueCore::Fifo::iterator front(mCore->mQueue.begin());
-            if (front->mIsDroppable || !mSynchronousMode) {
-                // If the front queued buffer is still being tracked, we first
-                // mark it as freed
-                if (mCore->stillTracking(front)) {
-                    mSlots[front->mSlot].mBufferState = GonkBufferSlot::FREE;
-                    // Reset the frame number of the freed buffer so that it is
-                    // the first in line to be dequeued again
-                    mSlots[front->mSlot].mFrameNumber = 0;
-                }
-                // Overwrite the droppable buffer with the incoming one
-                *front = item;
-                listener = mCore->mConsumerListener;
-            } else {
-                mCore->mQueue.push_back(item);
-                listener = mCore->mConsumerListener;
-            }
-        }
-
-        mCore->mBufferHasBeenQueued = true;
-        mCore->mDequeueCondition.broadcast();
-
-        output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight,
-                mCore->mTransformHint, mCore->mQueue.size());
-
-        item.mGraphicBuffer.clear();
-        item.mSlot = GonkBufferItem::INVALID_BUFFER_SLOT;
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-#if ANDROID_VERSION == 21
-        listener->onFrameAvailable();
-#else
-        listener->onFrameAvailable(reinterpret_cast<::android::BufferItem&>(item));
-#endif
-    }
-
-    return NO_ERROR;
-}
-
-void GonkBufferQueueProducer::cancelBuffer(int slot, const sp<Fence>& fence) {
-    ATRACE_CALL();
-    ALOGV("cancelBuffer: slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("cancelBuffer: GonkBufferQueue has been abandoned");
-        return;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("cancelBuffer: slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-        ALOGE("cancelBuffer: slot %d is not owned by the producer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return;
-    } else if (fence == NULL) {
-        ALOGE("cancelBuffer: fence is NULL");
-        return;
-    }
-
-    mSlots[slot].mBufferState = GonkBufferSlot::FREE;
-    mSlots[slot].mFrameNumber = 0;
-    mSlots[slot].mFence = fence;
-    mCore->mDequeueCondition.broadcast();
-}
-
-int GonkBufferQueueProducer::query(int what, int *outValue) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (outValue == NULL) {
-        ALOGE("query: outValue was NULL");
-        return BAD_VALUE;
-    }
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("query: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    int value;
-    switch (what) {
-        case NATIVE_WINDOW_WIDTH:
-            value = mCore->mDefaultWidth;
-            break;
-        case NATIVE_WINDOW_HEIGHT:
-            value = mCore->mDefaultHeight;
-            break;
-        case NATIVE_WINDOW_FORMAT:
-            value = mCore->mDefaultBufferFormat;
-            break;
-        case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
-            value = mCore->getMinUndequeuedBufferCountLocked(false);
-            break;
-        case NATIVE_WINDOW_STICKY_TRANSFORM:
-            value = static_cast<int>(mStickyTransform);
-            break;
-        case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
-            value = (mCore->mQueue.size() > 1);
-            break;
-        case NATIVE_WINDOW_CONSUMER_USAGE_BITS:
-            value = mCore->mConsumerUsageBits;
-            break;
-        default:
-            return BAD_VALUE;
-    }
-
-    ALOGV("query: %d? %d", what, value);
-    *outValue = value;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::connect(const sp<IProducerListener>& listener,
-        int api, bool producerControlledByApp, QueueBufferOutput *output) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-    mConsumerName = mCore->mConsumerName;
-    ALOGV("connect(P): api=%d producerControlledByApp=%s", api,
-            producerControlledByApp ? "true" : "false");
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("connect(P): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (mCore->mConsumerListener == NULL) {
-        ALOGE("connect(P): GonkBufferQueue has no consumer");
-        return NO_INIT;
-    }
-
-    if (output == NULL) {
-        ALOGE("connect(P): output was NULL");
-        return BAD_VALUE;
-    }
-
-    if (mCore->mConnectedApi != GonkBufferQueueCore::NO_CONNECTED_API) {
-        ALOGE("connect(P): already connected (cur=%d req=%d)", mCore->mConnectedApi,
-              api);
-        return BAD_VALUE;
-    }
-
-    int status = NO_ERROR;
-    switch (api) {
-        case NATIVE_WINDOW_API_EGL:
-        case NATIVE_WINDOW_API_CPU:
-        case NATIVE_WINDOW_API_MEDIA:
-        case NATIVE_WINDOW_API_CAMERA:
-            mCore->mConnectedApi = api;
-            output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight,
-                    mCore->mTransformHint, mCore->mQueue.size());
-
-            // Set up a death notification so that we can disconnect
-            // automatically if the remote producer dies
-            if (listener != NULL &&
-                    listener->asBinder()->remoteBinder() != NULL) {
-                status = listener->asBinder()->linkToDeath(
-                        static_cast<IBinder::DeathRecipient*>(this));
-                if (status != NO_ERROR) {
-                    ALOGE("connect(P): linkToDeath failed: %s (%d)",
-                            strerror(-status), status);
-                }
-            }
-            mCore->mConnectedProducerListener = listener;
-            break;
-        default:
-            ALOGE("connect(P): unknown API %d", api);
-            status = BAD_VALUE;
-            break;
-    }
-
-    mCore->mBufferHasBeenQueued = false;
-    mCore->mDequeueBufferCannotBlock =
-            mCore->mConsumerControlledByApp && producerControlledByApp;
-
-    return status;
-}
-
-status_t GonkBufferQueueProducer::disconnect(int api) {
-    ATRACE_CALL();
-    ALOGV("disconnect(P): api %d", api);
-
-    int status = NO_ERROR;
-    sp<IConsumerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mCore->waitWhileAllocatingLocked();
-
-        if (mCore->mIsAbandoned) {
-            // It's not really an error to disconnect after the surface has
-            // been abandoned; it should just be a no-op.
-            return NO_ERROR;
-        }
-
-        switch (api) {
-            case NATIVE_WINDOW_API_EGL:
-            case NATIVE_WINDOW_API_CPU:
-            case NATIVE_WINDOW_API_MEDIA:
-            case NATIVE_WINDOW_API_CAMERA:
-                if (mCore->mConnectedApi == api) {
-                    mCore->freeAllBuffersLocked();
-                    mCore->mConnectedApi = GonkBufferQueueCore::NO_CONNECTED_API;
-                    mCore->mSidebandStream.clear();
-                    mCore->mDequeueCondition.broadcast();
-                    listener = mCore->mConsumerListener;
-                } else {
-                    ALOGE("disconnect(P): connected to another API "
-                            "(cur=%d req=%d)", mCore->mConnectedApi, api);
-                    status = BAD_VALUE;
-                }
-                break;
-            default:
-                ALOGE("disconnect(P): unknown API %d", api);
-                status = BAD_VALUE;
-                break;
-        }
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return status;
-}
-
-status_t GonkBufferQueueProducer::setSidebandStream(const sp<NativeHandle>& stream) {
-    return INVALID_OPERATION;
-}
-
-void GonkBufferQueueProducer::allocateBuffers(bool async, uint32_t width,
-        uint32_t height, uint32_t format, uint32_t usage) {
-    ALOGE("allocateBuffers: no op");
-}
-
-void GonkBufferQueueProducer::binderDied(const wp<android::IBinder>& /* who */) {
-    // If we're here, it means that a producer we were connected to died.
-    // We're guaranteed that we are still connected to it because we remove
-    // this callback upon disconnect. It's therefore safe to read mConnectedApi
-    // without synchronization here.
-    int api = mCore->mConnectedApi;
-    disconnect(api);
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h
deleted file mode 100644
index a1a22416a..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUEPRODUCER_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUEPRODUCER_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include <gui/IGraphicBufferProducer.h>
-
-namespace android {
-
-class GonkBufferQueueProducer : public BnGraphicBufferProducer,
-                            private IBinder::DeathRecipient {
-public:
-    friend class GonkBufferQueue; // Needed to access binderDied
-
-    GonkBufferQueueProducer(const sp<GonkBufferQueueCore>& core);
-    virtual ~GonkBufferQueueProducer();
-
-    // requestBuffer returns the GraphicBuffer for slot N.
-    //
-    // In normal operation, this is called the first time slot N is returned
-    // by dequeueBuffer.  It must be called again if dequeueBuffer returns
-    // flags indicating that previously-returned buffers are no longer valid.
-    virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
-
-    // setBufferCount updates the number of available buffer slots.  If this
-    // method succeeds, buffer slots will be both unallocated and owned by
-    // the GonkBufferQueue object (i.e. they are not owned by the producer or
-    // consumer).
-    //
-    // This will fail if the producer has dequeued any buffers, or if
-    // bufferCount is invalid.  bufferCount must generally be a value
-    // between the minimum undequeued buffer count (exclusive) and NUM_BUFFER_SLOTS
-    // (inclusive).  It may also be set to zero (the default) to indicate
-    // that the producer does not wish to set a value.  The minimum value
-    // can be obtained by calling query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
-    // ...).
-    //
-    // This may only be called by the producer.  The consumer will be told
-    // to discard buffers through the onBuffersReleased callback.
-    virtual status_t setBufferCount(int bufferCount);
-
-    // dequeueBuffer gets the next buffer slot index for the producer to use.
-    // If a buffer slot is available then that slot index is written to the
-    // location pointed to by the buf argument and a status of OK is returned.
-    // If no slot is available then a status of -EBUSY is returned and buf is
-    // unmodified.
-    //
-    // The outFence parameter will be updated to hold the fence associated with
-    // the buffer. The contents of the buffer must not be overwritten until the
-    // fence signals. If the fence is Fence::NO_FENCE, the buffer may be
-    // written immediately.
-    //
-    // The width and height parameters must be no greater than the minimum of
-    // GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
-    // An error due to invalid dimensions might not be reported until
-    // updateTexImage() is called.  If width and height are both zero, the
-    // default values specified by setDefaultBufferSize() are used instead.
-    //
-    // The pixel formats are enumerated in graphics.h, e.g.
-    // HAL_PIXEL_FORMAT_RGBA_8888.  If the format is 0, the default format
-    // will be used.
-    //
-    // The usage argument specifies gralloc buffer usage flags.  The values
-    // are enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER.  These
-    // will be merged with the usage flags specified by setConsumerUsageBits.
-    //
-    // The return value may be a negative error value or a non-negative
-    // collection of flags.  If the flags are set, the return values are
-    // valid, but additional actions must be performed.
-    //
-    // If IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION is set, the
-    // producer must discard cached GraphicBuffer references for the slot
-    // returned in buf.
-    // If IGraphicBufferProducer::RELEASE_ALL_BUFFERS is set, the producer
-    // must discard cached GraphicBuffer references for all slots.
-    //
-    // In both cases, the producer will need to call requestBuffer to get a
-    // GraphicBuffer handle for the returned slot.
-    virtual status_t dequeueBuffer(int *outSlot, sp<Fence>* outFence, bool async,
-            uint32_t width, uint32_t height, uint32_t format, uint32_t usage);
-
-    // See IGraphicBufferProducer::detachBuffer
-    virtual status_t detachBuffer(int slot);
-
-    // See IGraphicBufferProducer::detachNextBuffer
-    virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-            sp<Fence>* outFence);
-
-    // See IGraphicBufferProducer::attachBuffer
-    virtual status_t attachBuffer(int* outSlot, const sp<GraphicBuffer>& buffer);
-
-    // queueBuffer returns a filled buffer to the GonkBufferQueue.
-    //
-    // Additional data is provided in the QueueBufferInput struct.  Notably,
-    // a timestamp must be provided for the buffer. The timestamp is in
-    // nanoseconds, and must be monotonically increasing. Its other semantics
-    // (zero point, etc) are producer-specific and should be documented by the
-    // producer.
-    //
-    // The caller may provide a fence that signals when all rendering
-    // operations have completed.  Alternatively, NO_FENCE may be used,
-    // indicating that the buffer is ready immediately.
-    //
-    // Some values are returned in the output struct: the current settings
-    // for default width and height, the current transform hint, and the
-    // number of queued buffers.
-    virtual status_t queueBuffer(int slot,
-            const QueueBufferInput& input, QueueBufferOutput* output);
-
-    // cancelBuffer returns a dequeued buffer to the GonkBufferQueue, but doesn't
-    // queue it for use by the consumer.
-    //
-    // The buffer will not be overwritten until the fence signals.  The fence
-    // will usually be the one obtained from dequeueBuffer.
-    virtual void cancelBuffer(int slot, const sp<Fence>& fence);
-
-    // Query native window attributes.  The "what" values are enumerated in
-    // window.h (e.g. NATIVE_WINDOW_FORMAT).
-    virtual int query(int what, int* outValue);
-
-    // connect attempts to connect a producer API to the GonkBufferQueue.  This
-    // must be called before any other IGraphicBufferProducer methods are
-    // called except for getAllocator.  A consumer must already be connected.
-    //
-    // This method will fail if connect was previously called on the
-    // GonkBufferQueue and no corresponding disconnect call was made (i.e. if
-    // it's still connected to a producer).
-    //
-    // APIs are enumerated in window.h (e.g. NATIVE_WINDOW_API_CPU).
-    virtual status_t connect(const sp<IProducerListener>& listener,
-            int api, bool producerControlledByApp, QueueBufferOutput* output);
-
-    // disconnect attempts to disconnect a producer API from the GonkBufferQueue.
-    // Calling this method will cause any subsequent calls to other
-    // IGraphicBufferProducer methods to fail except for getAllocator and connect.
-    // Successfully calling connect after this will allow the other methods to
-    // succeed again.
-    //
-    // This method will fail if the the GonkBufferQueue is not currently
-    // connected to the specified producer API.
-    virtual status_t disconnect(int api);
-
-    // Attaches a sideband buffer stream to the IGraphicBufferProducer.
-    //
-    // A sideband stream is a device-specific mechanism for passing buffers
-    // from the producer to the consumer without using dequeueBuffer/
-    // queueBuffer. If a sideband stream is present, the consumer can choose
-    // whether to acquire buffers from the sideband stream or from the queued
-    // buffers.
-    //
-    // Passing NULL or a different stream handle will detach the previous
-    // handle if any.
-    virtual status_t setSidebandStream(const sp<NativeHandle>& stream);
-
-    // See IGraphicBufferProducer::allocateBuffers
-    virtual void allocateBuffers(bool async, uint32_t width, uint32_t height,
-            uint32_t format, uint32_t usage);
-
-    // setSynchronousMode sets whether dequeueBuffer is synchronous or
-    // asynchronous. In synchronous mode, dequeueBuffer blocks until
-    // a buffer is available, the currently bound buffer can be dequeued and
-    // queued buffers will be acquired in order.  In asynchronous mode,
-    // a queued buffer may be replaced by a subsequently queued buffer.
-    //
-    // The default mode is synchronous.
-    // This should be called only during initialization.
-    virtual status_t setSynchronousMode(bool enabled);
-
-private:
-    // This is required by the IBinder::DeathRecipient interface
-    virtual void binderDied(const wp<IBinder>& who);
-
-    // waitForFreeSlotThenRelock finds the oldest slot in the FREE state. It may
-    // block if there are no available slots and we are not in non-blocking
-    // mode (producer and consumer controlled by the application). If it blocks,
-    // it will release mCore->mMutex while blocked so that other operations on
-    // the GonkBufferQueue may succeed.
-    status_t waitForFreeSlotThenRelock(const char* caller, bool async,
-            int* found, status_t* returnFlags) const;
-
-    sp<GonkBufferQueueCore> mCore;
-
-    // This references mCore->mSlots. Lock mCore->mMutex while accessing.
-    GonkBufferQueueDefs::SlotsType& mSlots;
-
-    // This is a cached copy of the name stored in the GonkBufferQueueCore.
-    // It's updated during connect and dequeueBuffer (which should catch
-    // most updates).
-    String8 mConsumerName;
-
-    // mSynchronousMode whether we're in synchronous mode or not
-    bool mSynchronousMode;
-
-    uint32_t mStickyTransform;
-
-}; // class GonkBufferQueueProducer
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.cpp
deleted file mode 100644
index 9e4a424a9..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "GonkBufferSlot.h"
-
-namespace android {
-
-const char* GonkBufferSlot::bufferStateName(BufferState state) {
-    switch (state) {
-        case GonkBufferSlot::DEQUEUED: return "DEQUEUED";
-        case GonkBufferSlot::QUEUED: return "QUEUED";
-        case GonkBufferSlot::FREE: return "FREE";
-        case GonkBufferSlot::ACQUIRED: return "ACQUIRED";
-        default: return "Unknown";
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.h
deleted file mode 100644
index 759bb7b23..000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERSLOT_LL_H
-#define NATIVEWINDOW_GONKBUFFERSLOT_LL_H
-
-#include <ui/Fence.h>
-#include <ui/GraphicBuffer.h>
-
-#include <utils/StrongPointer.h>
-
-#include "mozilla/layers/TextureClient.h"
-
-namespace android {
-
-struct GonkBufferSlot {
-    typedef mozilla::layers::TextureClient TextureClient;
-
-    GonkBufferSlot()
-    : mBufferState(GonkBufferSlot::FREE),
-      mRequestBufferCalled(false),
-      mFrameNumber(0),
-      mAcquireCalled(false),
-      mNeedsCleanupOnRelease(false),
-      mAttachedByConsumer(false) {
-    }
-
-    // mGraphicBuffer points to the buffer allocated for this slot or is NULL
-    // if no buffer has been allocated.
-    sp<GraphicBuffer> mGraphicBuffer;
-
-    // BufferState represents the different states in which a buffer slot
-    // can be.  All slots are initially FREE.
-    enum BufferState {
-        // FREE indicates that the buffer is available to be dequeued
-        // by the producer.  The buffer may be in use by the consumer for
-        // a finite time, so the buffer must not be modified until the
-        // associated fence is signaled.
-        //
-        // The slot is "owned" by BufferQueue.  It transitions to DEQUEUED
-        // when dequeueBuffer is called.
-        FREE = 0,
-
-        // DEQUEUED indicates that the buffer has been dequeued by the
-        // producer, but has not yet been queued or canceled.  The
-        // producer may modify the buffer's contents as soon as the
-        // associated ready fence is signaled.
-        //
-        // The slot is "owned" by the producer.  It can transition to
-        // QUEUED (via queueBuffer) or back to FREE (via cancelBuffer).
-        DEQUEUED = 1,
-
-        // QUEUED indicates that the buffer has been filled by the
-        // producer and queued for use by the consumer.  The buffer
-        // contents may continue to be modified for a finite time, so
-        // the contents must not be accessed until the associated fence
-        // is signaled.
-        //
-        // The slot is "owned" by BufferQueue.  It can transition to
-        // ACQUIRED (via acquireBuffer) or to FREE (if another buffer is
-        // queued in asynchronous mode).
-        QUEUED = 2,
-
-        // ACQUIRED indicates that the buffer has been acquired by the
-        // consumer.  As with QUEUED, the contents must not be accessed
-        // by the consumer until the fence is signaled.
-        //
-        // The slot is "owned" by the consumer.  It transitions to FREE
-        // when releaseBuffer is called.
-        ACQUIRED = 3
-    };
-
-    static const char* bufferStateName(BufferState state);
-
-    // mBufferState is the current state of this buffer slot.
-    BufferState mBufferState;
-
-    // mRequestBufferCalled is used for validating that the producer did
-    // call requestBuffer() when told to do so. Technically this is not
-    // needed but useful for debugging and catching producer bugs.
-    bool mRequestBufferCalled;
-
-    // mFrameNumber is the number of the queued frame for this slot.  This
-    // is used to dequeue buffers in LRU order (useful because buffers
-    // may be released before their release fence is signaled).
-    uint64_t mFrameNumber;
-
-    // mFence is a fence which will signal when work initiated by the
-    // previous owner of the buffer is finished. When the buffer is FREE,
-    // the fence indicates when the consumer has finished reading
-    // from the buffer, or when the producer has finished writing if it
-    // called cancelBuffer after queueing some writes. When the buffer is
-    // QUEUED, it indicates when the producer has finished filling the
-    // buffer. When the buffer is DEQUEUED or ACQUIRED, the fence has been
-    // passed to the consumer or producer along with ownership of the
-    // buffer, and mFence is set to NO_FENCE.
-    sp<Fence> mFence;
-
-    // Indicates whether this buffer has been seen by a consumer yet
-    bool mAcquireCalled;
-
-    // Indicates whether this buffer needs to be cleaned up by the
-    // consumer.  This is set when a buffer in ACQUIRED state is freed.
-    // It causes releaseBuffer to return STALE_BUFFER_SLOT.
-    bool mNeedsCleanupOnRelease;
-
-    // Indicates whether the buffer was attached on the consumer side.
-    // If so, it needs to set the BUFFER_NEEDS_REALLOCATION flag when dequeued
-    // to prevent the producer from using a stale cached buffer.
-    bool mAttachedByConsumer;
-
-    // mTextureClient is a thin abstraction over remotely allocated GraphicBuffer.
-    RefPtr<TextureClient> mTextureClient;
-};
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkConsumerBaseJB.cpp b/widget/gonk/nativewindow/GonkConsumerBaseJB.cpp
deleted file mode 100644
index 1ee37e4e2..000000000
--- a/widget/gonk/nativewindow/GonkConsumerBaseJB.cpp
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkConsumerBase"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <hardware/hardware.h>
-
-#include <gui/IGraphicBufferAlloc.h>
-#include <utils/Log.h>
-#include <utils/String8.h>
-
-#include "GonkConsumerBaseJB.h"
-
-// Macros for including the GonkConsumerBase name in log messages
-#define CB_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
-#define CB_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
-#define CB_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
-#define CB_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
-#define CB_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
-
-namespace android {
-
-// Get an ID that's unique within this process.
-static int32_t createProcessUniqueId() {
-    static volatile int32_t globalCounter = 0;
-    return android_atomic_inc(&globalCounter);
-}
-
-GonkConsumerBase::GonkConsumerBase(const sp<GonkBufferQueue>& bufferQueue) :
-        mAbandoned(false),
-        mBufferQueue(bufferQueue) {
-    // Choose a name using the PID and a process-unique ID.
-    mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
-
-    // Note that we can't create an sp<...>(this) in a ctor that will not keep a
-    // reference once the ctor ends, as that would cause the refcount of 'this'
-    // dropping to 0 at the end of the ctor.  Since all we need is a wp<...>
-    // that's what we create.
-    wp<GonkBufferQueue::ConsumerListener> listener;
-    sp<GonkBufferQueue::ConsumerListener> proxy;
-    listener = static_cast<GonkBufferQueue::ConsumerListener*>(this);
-    proxy = new GonkBufferQueue::ProxyConsumerListener(listener);
-
-    status_t err = mBufferQueue->consumerConnect(proxy);
-    if (err != NO_ERROR) {
-        CB_LOGE("GonkConsumerBase: error connecting to GonkBufferQueue: %s (%d)",
-                strerror(-err), err);
-    } else {
-        mBufferQueue->setConsumerName(mName);
-    }
-}
-
-GonkConsumerBase::~GonkConsumerBase() {
-    CB_LOGV("~GonkConsumerBase");
-    Mutex::Autolock lock(mMutex);
-
-    // Verify that abandon() has been called before we get here.  This should
-    // be done by GonkConsumerBase::onLastStrongRef(), but it's possible for a
-    // derived class to override that method and not call
-    // GonkConsumerBase::onLastStrongRef().
-    LOG_ALWAYS_FATAL_IF(!mAbandoned, "[%s] ~GonkConsumerBase was called, but the "
-        "consumer is not abandoned!", mName.string());
-}
-
-void GonkConsumerBase::onLastStrongRef(const void* id) {
-    abandon();
-}
-
-void GonkConsumerBase::freeBufferLocked(int slotIndex) {
-    CB_LOGV("freeBufferLocked: slotIndex=%d", slotIndex);
-    mSlots[slotIndex].mGraphicBuffer = 0;
-    mSlots[slotIndex].mFence = Fence::NO_FENCE;
-}
-
-// Used for refactoring, should not be in final interface
-sp<GonkBufferQueue> GonkConsumerBase::getBufferQueue() const {
-    Mutex::Autolock lock(mMutex);
-    return mBufferQueue;
-}
-
-void GonkConsumerBase::onFrameAvailable() {
-    CB_LOGV("onFrameAvailable");
-
-    sp<FrameAvailableListener> listener;
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-#if ANDROID_VERSION == 17
-        listener = mFrameAvailableListener;
-#else
-        listener = mFrameAvailableListener.promote();
-#endif
-    }
-
-    if (listener != NULL) {
-        CB_LOGV("actually calling onFrameAvailable");
-        listener->onFrameAvailable();
-    }
-}
-
-void GonkConsumerBase::onBuffersReleased() {
-    Mutex::Autolock lock(mMutex);
-
-    CB_LOGV("onBuffersReleased");
-
-    if (mAbandoned) {
-        // Nothing to do if we're already abandoned.
-        return;
-    }
-
-    uint32_t mask = 0;
-    mBufferQueue->getReleasedBuffers(&mask);
-    for (int i = 0; i < GonkBufferQueue::NUM_BUFFER_SLOTS; i++) {
-        if (mask & (1 << i)) {
-            freeBufferLocked(i);
-        }
-    }
-}
-
-void GonkConsumerBase::abandon() {
-    CB_LOGV("abandon");
-    Mutex::Autolock lock(mMutex);
-
-    if (!mAbandoned) {
-        abandonLocked();
-        mAbandoned = true;
-    }
-}
-
-void GonkConsumerBase::abandonLocked() {
-	CB_LOGV("abandonLocked");
-    for (int i =0; i < GonkBufferQueue::NUM_BUFFER_SLOTS; i++) {
-        freeBufferLocked(i);
-    }
-    // disconnect from the GonkBufferQueue
-    mBufferQueue->consumerDisconnect();
-    mBufferQueue.clear();
-}
-
-void GonkConsumerBase::setFrameAvailableListener(
-#if ANDROID_VERSION == 17
-        const sp<FrameAvailableListener>& listener) {
-#else
-        const wp<FrameAvailableListener>& listener) {
-#endif
-    CB_LOGV("setFrameAvailableListener");
-    Mutex::Autolock lock(mMutex);
-    mFrameAvailableListener = listener;
-}
-
-void GonkConsumerBase::dump(String8& result) const {
-    char buffer[1024];
-    dump(result, "", buffer, 1024);
-}
-
-void GonkConsumerBase::dump(String8& result, const char* prefix,
-        char* buffer, size_t size) const {
-    Mutex::Autolock _l(mMutex);
-    dumpLocked(result, prefix, buffer, size);
-}
-
-void GonkConsumerBase::dumpLocked(String8& result, const char* prefix,
-        char* buffer, size_t SIZE) const {
-    snprintf(buffer, SIZE, "%smAbandoned=%d\n", prefix, int(mAbandoned));
-    result.append(buffer);
-
-    if (!mAbandoned) {
-        mBufferQueue->dumpToString(result, prefix, buffer, SIZE);
-    }
-}
-
-status_t GonkConsumerBase::acquireBufferLocked(GonkBufferQueue::BufferItem *item) {
-    status_t err = mBufferQueue->acquireBuffer(item);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    if (item->mGraphicBuffer != NULL) {
-        mSlots[item->mBuf].mGraphicBuffer = item->mGraphicBuffer;
-    }
-
-    mSlots[item->mBuf].mFence = item->mFence;
-
-    CB_LOGV("acquireBufferLocked: -> slot=%d", item->mBuf);
-
-    return OK;
-}
-
-status_t GonkConsumerBase::addReleaseFence(int slot, const sp<Fence>& fence) {
-    Mutex::Autolock lock(mMutex);
-    return addReleaseFenceLocked(slot, fence);
-}
-
-status_t GonkConsumerBase::addReleaseFenceLocked(int slot, const sp<Fence>& fence) {
-    CB_LOGV("addReleaseFenceLocked: slot=%d", slot);
-
-    if (!mSlots[slot].mFence.get()) {
-        mSlots[slot].mFence = fence;
-    } else {
-        sp<Fence> mergedFence = Fence::merge(
-                String8::format("%.28s:%d", mName.string(), slot),
-                mSlots[slot].mFence, fence);
-        if (!mergedFence.get()) {
-            CB_LOGE("failed to merge release fences");
-            // synchronization is broken, the best we can do is hope fences
-            // signal in order so the new fence will act like a union
-            mSlots[slot].mFence = fence;
-            return BAD_VALUE;
-        }
-        mSlots[slot].mFence = mergedFence;
-    }
-
-    return OK;
-}
-
-status_t GonkConsumerBase::releaseBufferLocked(int slot) {
-    CB_LOGV("releaseBufferLocked: slot=%d", slot);
-    status_t err = mBufferQueue->releaseBuffer(slot, mSlots[slot].mFence);
-    if (err == GonkBufferQueue::STALE_BUFFER_SLOT) {
-        freeBufferLocked(slot);
-    }
-
-    mSlots[slot].mFence = Fence::NO_FENCE;
-
-    return err;
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkConsumerBaseJB.h b/widget/gonk/nativewindow/GonkConsumerBaseJB.h
deleted file mode 100644
index 8f523af37..000000000
--- a/widget/gonk/nativewindow/GonkConsumerBaseJB.h
+++ /dev/null
@@ -1,239 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKCONSUMERBASE_JB_H
-#define NATIVEWINDOW_GONKCONSUMERBASE_JB_H
-
-#include <ui/GraphicBuffer.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-#include "GonkBufferQueueJB.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class String8;
-
-// GonkConsumerBase is a base class for GonkBufferQueue consumer end-points. It
-// handles common tasks like management of the connection to the GonkBufferQueue
-// and the buffer pool.
-class GonkConsumerBase : public virtual RefBase,
-        protected GonkBufferQueue::ConsumerListener {
-public:
-    struct FrameAvailableListener : public virtual RefBase {
-        // onFrameAvailable() is called each time an additional frame becomes
-        // available for consumption. This means that frames that are queued
-        // while in asynchronous mode only trigger the callback if no previous
-        // frames are pending. Frames queued while in synchronous mode always
-        // trigger the callback.
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onFrameAvailable() = 0;
-    };
-
-    virtual ~GonkConsumerBase();
-
-    // abandon frees all the buffers and puts the GonkConsumerBase into the
-    // 'abandoned' state.  Once put in this state the GonkConsumerBase can never
-    // leave it.  When in the 'abandoned' state, all methods of the
-    // IGraphicBufferProducer interface will fail with the NO_INIT error.
-    //
-    // Note that while calling this method causes all the buffers to be freed
-    // from the perspective of the the GonkConsumerBase, if there are additional
-    // references on the buffers (e.g. if a buffer is referenced by a client
-    // or by OpenGL ES as a texture) then those buffer will remain allocated.
-    void abandon();
-
-    // set the name of the GonkConsumerBase that will be used to identify it in
-    // log messages.
-    void setName(const String8& name);
-
-    // getBufferQueue returns the GonkBufferQueue object to which this
-    // GonkConsumerBase is connected.
-    sp<GonkBufferQueue> getBufferQueue() const;
-
-    // dump writes the current state to a string. Child classes should add
-    // their state to the dump by overriding the dumpLocked method, which is
-    // called by these methods after locking the mutex.
-    void dump(String8& result) const;
-    void dump(String8& result, const char* prefix, char* buffer, size_t SIZE) const;
-
-    // setFrameAvailableListener sets the listener object that will be notified
-    // when a new frame becomes available.
-#if ANDROID_VERSION == 17
-    void setFrameAvailableListener(const sp<FrameAvailableListener>& listener);
-#else
-    void setFrameAvailableListener(const wp<FrameAvailableListener>& listener);
-#endif
-
-private:
-    GonkConsumerBase(const GonkConsumerBase&);
-    void operator=(const GonkConsumerBase&);
-
-protected:
-
-    // GonkConsumerBase constructs a new GonkConsumerBase object to consume image
-    // buffers from the given GonkBufferQueue.
-    GonkConsumerBase(const sp<GonkBufferQueue> &bufferQueue);
-
-    // onLastStrongRef gets called by RefBase just before the dtor of the most
-    // derived class.  It is used to clean up the buffers so that GonkConsumerBase
-    // can coordinate the clean-up by calling into virtual methods implemented
-    // by the derived classes.  This would not be possible from the
-    // ConsuemrBase dtor because by the time that gets called the derived
-    // classes have already been destructed.
-    //
-    // This methods should not need to be overridden by derived classes, but
-    // if they are overridden the GonkConsumerBase implementation must be called
-    // from the derived class.
-    virtual void onLastStrongRef(const void* id);
-
-    // Implementation of the GonkBufferQueue::ConsumerListener interface.  These
-    // calls are used to notify the GonkConsumerBase of asynchronous events in the
-    // GonkBufferQueue.  These methods should not need to be overridden by derived
-    // classes, but if they are overridden the GonkConsumerBase implementation
-    // must be called from the derived class.
-    virtual void onFrameAvailable();
-    virtual void onBuffersReleased();
-
-    // freeBufferLocked frees up the given buffer slot.  If the slot has been
-    // initialized this will release the reference to the GraphicBuffer in that
-    // slot.  Otherwise it has no effect.
-    //
-    // Derived classes should override this method to clean up any state they
-    // keep per slot.  If it is overridden, the derived class's implementation
-    // must call GonkConsumerBase::freeBufferLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void freeBufferLocked(int slotIndex);
-
-    // abandonLocked puts the GonkBufferQueue into the abandoned state, causing
-    // all future operations on it to fail. This method rather than the public
-    // abandon method should be overridden by child classes to add abandon-
-    // time behavior.
-    //
-    // Derived classes should override this method to clean up any object
-    // state they keep (as opposed to per-slot state).  If it is overridden,
-    // the derived class's implementation must call GonkConsumerBase::abandonLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void abandonLocked();
-
-    // dumpLocked dumps the current state of the GonkConsumerBase object to the
-    // result string.  Each line is prefixed with the string pointed to by the
-    // prefix argument.  The buffer argument points to a buffer that may be
-    // used for intermediate formatting data, and the size of that buffer is
-    // indicated by the size argument.
-    //
-    // Derived classes should override this method to dump their internal
-    // state.  If this method is overridden the derived class's implementation
-    // should call GonkConsumerBase::dumpLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void dumpLocked(String8& result, const char* prefix, char* buffer,
-            size_t size) const;
-
-    // acquireBufferLocked fetches the next buffer from the GonkBufferQueue and
-    // updates the buffer slot for the buffer returned.
-    //
-    // Derived classes should override this method to perform any
-    // initialization that must take place the first time a buffer is assigned
-    // to a slot.  If it is overridden the derived class's implementation must
-    // call GonkConsumerBase::acquireBufferLocked.
-    virtual status_t acquireBufferLocked(GonkBufferQueue::BufferItem *item);
-
-    // releaseBufferLocked relinquishes control over a buffer, returning that
-    // control to the GonkBufferQueue.
-    //
-    // Derived classes should override this method to perform any cleanup that
-    // must take place when a buffer is released back to the GonkBufferQueue.  If
-    // it is overridden the derived class's implementation must call
-    // GonkConsumerBase::releaseBufferLocked.
-    virtual status_t releaseBufferLocked(int buf);
-
-    // addReleaseFence* adds the sync points associated with a fence to the set
-    // of sync points that must be reached before the buffer in the given slot
-    // may be used after the slot has been released.  This should be called by
-    // derived classes each time some asynchronous work is kicked off that
-    // references the buffer.
-    status_t addReleaseFence(int slot, const sp<Fence>& fence);
-    status_t addReleaseFenceLocked(int slot, const sp<Fence>& fence);
-
-    // Slot contains the information and object references that
-    // GonkConsumerBase maintains about a GonkBufferQueue buffer slot.
-    struct Slot {
-        // mGraphicBuffer is the Gralloc buffer store in the slot or NULL if
-        // no Gralloc buffer is in the slot.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mFence is a fence which will signal when the buffer associated with
-        // this buffer slot is no longer being used by the consumer and can be
-        // overwritten. The buffer can be dequeued before the fence signals;
-        // the producer is responsible for delaying writes until it signals.
-        sp<Fence> mFence;
-    };
-
-    // mSlots stores the buffers that have been allocated by the GonkBufferQueue
-    // for each buffer slot.  It is initialized to null pointers, and gets
-    // filled in with the result of GonkBufferQueue::acquire when the
-    // client dequeues a buffer from a
-    // slot that has not yet been used. The buffer allocated to a slot will also
-    // be replaced if the requested buffer usage or geometry differs from that
-    // of the buffer allocated to a slot.
-    Slot mSlots[GonkBufferQueue::NUM_BUFFER_SLOTS];
-
-    // mAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume images buffers pushed to it using the IGraphicBufferProducer
-    // interface. It is initialized to false, and set to true in the abandon
-    // method.  A GonkBufferQueue that has been abandoned will return the NO_INIT
-    // error from all IGonkConsumerBase methods capable of returning an error.
-    bool mAbandoned;
-
-    // mName is a string used to identify the GonkConsumerBase in log messages.
-    // It can be set by the setName method.
-    String8 mName;
-
-    // mFrameAvailableListener is the listener object that will be called when a
-    // new frame becomes available. If it is not NULL it will be called from
-    // queueBuffer.
-#if ANDROID_VERSION == 17
-    sp<FrameAvailableListener> mFrameAvailableListener;
-#else
-    wp<FrameAvailableListener> mFrameAvailableListener;
-#endif
-
-    // The GonkConsumerBase has-a GonkBufferQueue and is responsible for creating this object
-    // if none is supplied
-    sp<GonkBufferQueue> mBufferQueue;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkConsumerBase objects. It must be locked whenever the
-    // member variables are accessed or when any of the *Locked methods are
-    // called.
-    //
-    // This mutex is intended to be locked by derived classes.
-    mutable Mutex mMutex;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // NATIVEWINDOW_GONKCONSUMERBASE_H
diff --git a/widget/gonk/nativewindow/GonkConsumerBaseKK.cpp b/widget/gonk/nativewindow/GonkConsumerBaseKK.cpp
deleted file mode 100644
index 3fc9fc16c..000000000
--- a/widget/gonk/nativewindow/GonkConsumerBaseKK.cpp
+++ /dev/null
@@ -1,252 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkConsumerBase"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <hardware/hardware.h>
-
-#include <gui/IGraphicBufferAlloc.h>
-#include <utils/Log.h>
-#include <utils/String8.h>
-
-#include "GonkConsumerBaseKK.h"
-
-namespace android {
-
-// Get an ID that's unique within this process.
-static int32_t createProcessUniqueId() {
-    static volatile int32_t globalCounter = 0;
-    return android_atomic_inc(&globalCounter);
-}
-
-GonkConsumerBase::GonkConsumerBase(const sp<GonkBufferQueue>& bufferQueue, bool controlledByApp) :
-        mAbandoned(false),
-        mConsumer(bufferQueue) {
-    // Choose a name using the PID and a process-unique ID.
-    mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
-
-    // Note that we can't create an sp<...>(this) in a ctor that will not keep a
-    // reference once the ctor ends, as that would cause the refcount of 'this'
-    // dropping to 0 at the end of the ctor.  Since all we need is a wp<...>
-    // that's what we create.
-    wp<ConsumerListener> listener = static_cast<ConsumerListener*>(this);
-    sp<IConsumerListener> proxy = new GonkBufferQueue::ProxyConsumerListener(listener);
-
-    status_t err = mConsumer->consumerConnect(proxy, controlledByApp);
-    if (err != NO_ERROR) {
-        ALOGE("GonkConsumerBase: error connecting to GonkBufferQueue: %s (%d)",
-                strerror(-err), err);
-    } else {
-        mConsumer->setConsumerName(mName);
-    }
-}
-
-GonkConsumerBase::~GonkConsumerBase() {
-    ALOGV("~GonkConsumerBase");
-    Mutex::Autolock lock(mMutex);
-
-    // Verify that abandon() has been called before we get here.  This should
-    // be done by GonkConsumerBase::onLastStrongRef(), but it's possible for a
-    // derived class to override that method and not call
-    // GonkConsumerBase::onLastStrongRef().
-    LOG_ALWAYS_FATAL_IF(!mAbandoned, "[%s] ~GonkConsumerBase was called, but the "
-        "consumer is not abandoned!", mName.string());
-}
-
-void GonkConsumerBase::onLastStrongRef(const void* id) {
-    abandon();
-}
-
-void GonkConsumerBase::freeBufferLocked(int slotIndex) {
-    ALOGV("freeBufferLocked: slotIndex=%d", slotIndex);
-    mSlots[slotIndex].mGraphicBuffer = 0;
-    mSlots[slotIndex].mFence = Fence::NO_FENCE;
-    mSlots[slotIndex].mFrameNumber = 0;
-}
-
-// Used for refactoring, should not be in final interface
-sp<GonkBufferQueue> GonkConsumerBase::getBufferQueue() const {
-    Mutex::Autolock lock(mMutex);
-    return mConsumer;
-}
-
-void GonkConsumerBase::onFrameAvailable() {
-    ALOGV("onFrameAvailable");
-
-    sp<FrameAvailableListener> listener;
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-        listener = mFrameAvailableListener.promote();
-    }
-
-    if (listener != NULL) {
-        ALOGV("actually calling onFrameAvailable");
-        listener->onFrameAvailable();
-    }
-}
-
-void GonkConsumerBase::onBuffersReleased() {
-    Mutex::Autolock lock(mMutex);
-
-    ALOGV("onBuffersReleased");
-
-    if (mAbandoned) {
-        // Nothing to do if we're already abandoned.
-        return;
-    }
-
-    uint32_t mask = 0;
-    mConsumer->getReleasedBuffers(&mask);
-    for (int i = 0; i < GonkBufferQueue::NUM_BUFFER_SLOTS; i++) {
-        if (mask & (1 << i)) {
-            freeBufferLocked(i);
-        }
-    }
-}
-
-void GonkConsumerBase::abandon() {
-    ALOGV("abandon");
-    Mutex::Autolock lock(mMutex);
-
-    if (!mAbandoned) {
-        abandonLocked();
-        mAbandoned = true;
-    }
-}
-
-void GonkConsumerBase::abandonLocked() {
-	ALOGV("abandonLocked");
-    for (int i =0; i < GonkBufferQueue::NUM_BUFFER_SLOTS; i++) {
-        freeBufferLocked(i);
-    }
-    // disconnect from the BufferQueue
-    mConsumer->consumerDisconnect();
-    mConsumer.clear();
-}
-
-void GonkConsumerBase::setFrameAvailableListener(
-        const wp<FrameAvailableListener>& listener) {
-    ALOGV("setFrameAvailableListener");
-    Mutex::Autolock lock(mMutex);
-    mFrameAvailableListener = listener;
-}
-
-void GonkConsumerBase::dump(String8& result) const {
-    dump(result, "");
-}
-
-void GonkConsumerBase::dump(String8& result, const char* prefix) const {
-    Mutex::Autolock _l(mMutex);
-    dumpLocked(result, prefix);
-}
-
-void GonkConsumerBase::dumpLocked(String8& result, const char* prefix) const {
-    result.appendFormat("%smAbandoned=%d\n", prefix, int(mAbandoned));
-
-    if (!mAbandoned) {
-        mConsumer->dumpToString(result, prefix);
-    }
-}
-
-status_t GonkConsumerBase::acquireBufferLocked(IGonkGraphicBufferConsumer::BufferItem *item,
-        nsecs_t presentWhen) {
-    status_t err = mConsumer->acquireBuffer(item, presentWhen);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    if (item->mGraphicBuffer != NULL) {
-        mSlots[item->mBuf].mGraphicBuffer = item->mGraphicBuffer;
-    }
-
-    mSlots[item->mBuf].mFrameNumber = item->mFrameNumber;
-    mSlots[item->mBuf].mFence = item->mFence;
-
-    ALOGV("acquireBufferLocked: -> slot=%d", item->mBuf);
-
-    return OK;
-}
-
-status_t GonkConsumerBase::addReleaseFence(int slot,
-        const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence) {
-    Mutex::Autolock lock(mMutex);
-    return addReleaseFenceLocked(slot, graphicBuffer, fence);
-}
-
-status_t GonkConsumerBase::addReleaseFenceLocked(int slot,
-        const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence) {
-    ALOGV("addReleaseFenceLocked: slot=%d", slot);
-
-    // If consumer no longer tracks this graphicBuffer, we can safely
-    // drop this fence, as it will never be received by the producer.
-    if (!stillTracking(slot, graphicBuffer)) {
-        return OK;
-    }
-
-    if (!mSlots[slot].mFence.get()) {
-        mSlots[slot].mFence = fence;
-    } else {
-        sp<Fence> mergedFence = Fence::merge(
-                String8::format("%.28s:%d", mName.string(), slot),
-                mSlots[slot].mFence, fence);
-        if (!mergedFence.get()) {
-            ALOGE("failed to merge release fences");
-            // synchronization is broken, the best we can do is hope fences
-            // signal in order so the new fence will act like a union
-            mSlots[slot].mFence = fence;
-            return BAD_VALUE;
-        }
-        mSlots[slot].mFence = mergedFence;
-    }
-
-    return OK;
-}
-
-status_t GonkConsumerBase::releaseBufferLocked(int slot, const sp<GraphicBuffer> graphicBuffer) {
-    // If consumer no longer tracks this graphicBuffer (we received a new
-    // buffer on the same slot), the buffer producer is definitely no longer
-    // tracking it.
-    if (!stillTracking(slot, graphicBuffer)) {
-        return OK;
-    }
-
-    ALOGV("releaseBufferLocked: slot=%d/%llu",
-            slot, mSlots[slot].mFrameNumber);
-    status_t err = mConsumer->releaseBuffer(slot, mSlots[slot].mFrameNumber, mSlots[slot].mFence);
-    if (err == GonkBufferQueue::STALE_BUFFER_SLOT) {
-        freeBufferLocked(slot);
-    }
-
-    mSlots[slot].mFence = Fence::NO_FENCE;
-
-    return err;
-}
-
-bool GonkConsumerBase::stillTracking(int slot,
-        const sp<GraphicBuffer> graphicBuffer) {
-    if (slot < 0 || slot >= GonkBufferQueue::NUM_BUFFER_SLOTS) {
-        return false;
-    }
-    return (mSlots[slot].mGraphicBuffer != NULL &&
-            mSlots[slot].mGraphicBuffer->handle == graphicBuffer->handle);
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkConsumerBaseKK.h b/widget/gonk/nativewindow/GonkConsumerBaseKK.h
deleted file mode 100644
index e198ad843..000000000
--- a/widget/gonk/nativewindow/GonkConsumerBaseKK.h
+++ /dev/null
@@ -1,240 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKCONSUMERBASE_KK_H
-#define NATIVEWINDOW_GONKCONSUMERBASE_KK_H
-
-#include <ui/GraphicBuffer.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-#include <gui/IConsumerListener.h>
-
-#include "GonkBufferQueueKK.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class String8;
-
-// GonkConsumerBase is a base class for GonkBufferQueue consumer end-points. It
-// handles common tasks like management of the connection to the GonkBufferQueue
-// and the buffer pool.
-class GonkConsumerBase : public virtual RefBase,
-        protected ConsumerListener {
-public:
-    struct FrameAvailableListener : public virtual RefBase {
-        // onFrameAvailable() is called each time an additional frame becomes
-        // available for consumption. This means that frames that are queued
-        // while in asynchronous mode only trigger the callback if no previous
-        // frames are pending. Frames queued while in synchronous mode always
-        // trigger the callback.
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onFrameAvailable() = 0;
-    };
-
-    virtual ~GonkConsumerBase();
-
-    // abandon frees all the buffers and puts the GonkConsumerBase into the
-    // 'abandoned' state.  Once put in this state the GonkConsumerBase can never
-    // leave it.  When in the 'abandoned' state, all methods of the
-    // IGraphicBufferProducer interface will fail with the NO_INIT error.
-    //
-    // Note that while calling this method causes all the buffers to be freed
-    // from the perspective of the the GonkConsumerBase, if there are additional
-    // references on the buffers (e.g. if a buffer is referenced by a client
-    // or by OpenGL ES as a texture) then those buffer will remain allocated.
-    void abandon();
-
-    // set the name of the GonkConsumerBase that will be used to identify it in
-    // log messages.
-    void setName(const String8& name);
-
-    // getBufferQueue returns the GonkBufferQueue object to which this
-    // GonkConsumerBase is connected.
-    sp<GonkBufferQueue> getBufferQueue() const;
-
-    // dump writes the current state to a string. Child classes should add
-    // their state to the dump by overriding the dumpLocked method, which is
-    // called by these methods after locking the mutex.
-    void dump(String8& result) const;
-    void dump(String8& result, const char* prefix) const;
-
-    // setFrameAvailableListener sets the listener object that will be notified
-    // when a new frame becomes available.
-    void setFrameAvailableListener(const wp<FrameAvailableListener>& listener);
-
-private:
-    GonkConsumerBase(const GonkConsumerBase&);
-    void operator=(const GonkConsumerBase&);
-
-protected:
-
-    // GonkConsumerBase constructs a new GonkConsumerBase object to consume image
-    // buffers from the given GonkBufferQueue.
-    GonkConsumerBase(const sp<GonkBufferQueue>& bufferQueue, bool controlledByApp = false);
-
-    // onLastStrongRef gets called by RefBase just before the dtor of the most
-    // derived class.  It is used to clean up the buffers so that GonkConsumerBase
-    // can coordinate the clean-up by calling into virtual methods implemented
-    // by the derived classes.  This would not be possible from the
-    // ConsuemrBase dtor because by the time that gets called the derived
-    // classes have already been destructed.
-    //
-    // This methods should not need to be overridden by derived classes, but
-    // if they are overridden the GonkConsumerBase implementation must be called
-    // from the derived class.
-    virtual void onLastStrongRef(const void* id);
-
-    // Implementation of the GonkBufferQueue::ConsumerListener interface.  These
-    // calls are used to notify the GonkConsumerBase of asynchronous events in the
-    // GonkBufferQueue.  These methods should not need to be overridden by derived
-    // classes, but if they are overridden the GonkConsumerBase implementation
-    // must be called from the derived class.
-    virtual void onFrameAvailable();
-    virtual void onBuffersReleased();
-
-    // freeBufferLocked frees up the given buffer slot.  If the slot has been
-    // initialized this will release the reference to the GraphicBuffer in that
-    // slot.  Otherwise it has no effect.
-    //
-    // Derived classes should override this method to clean up any state they
-    // keep per slot.  If it is overridden, the derived class's implementation
-    // must call GonkConsumerBase::freeBufferLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void freeBufferLocked(int slotIndex);
-
-    // abandonLocked puts the GonkBufferQueue into the abandoned state, causing
-    // all future operations on it to fail. This method rather than the public
-    // abandon method should be overridden by child classes to add abandon-
-    // time behavior.
-    //
-    // Derived classes should override this method to clean up any object
-    // state they keep (as opposed to per-slot state).  If it is overridden,
-    // the derived class's implementation must call GonkConsumerBase::abandonLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void abandonLocked();
-
-    // dumpLocked dumps the current state of the GonkConsumerBase object to the
-    // result string.  Each line is prefixed with the string pointed to by the
-    // prefix argument.  The buffer argument points to a buffer that may be
-    // used for intermediate formatting data, and the size of that buffer is
-    // indicated by the size argument.
-    //
-    // Derived classes should override this method to dump their internal
-    // state.  If this method is overridden the derived class's implementation
-    // should call GonkConsumerBase::dumpLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void dumpLocked(String8& result, const char* prefix) const;
-
-    // acquireBufferLocked fetches the next buffer from the GonkBufferQueue and
-    // updates the buffer slot for the buffer returned.
-    //
-    // Derived classes should override this method to perform any
-    // initialization that must take place the first time a buffer is assigned
-    // to a slot.  If it is overridden the derived class's implementation must
-    // call GonkConsumerBase::acquireBufferLocked.
-    virtual status_t acquireBufferLocked(IGonkGraphicBufferConsumer::BufferItem *item,
-        nsecs_t presentWhen);
-
-    // releaseBufferLocked relinquishes control over a buffer, returning that
-    // control to the GonkBufferQueue.
-    //
-    // Derived classes should override this method to perform any cleanup that
-    // must take place when a buffer is released back to the GonkBufferQueue.  If
-    // it is overridden the derived class's implementation must call
-    // GonkConsumerBase::releaseBufferLocked.
-    virtual status_t releaseBufferLocked(int slot, const sp<GraphicBuffer> graphicBuffer);
-
-    // returns true iff the slot still has the graphicBuffer in it.
-    bool stillTracking(int slot, const sp<GraphicBuffer> graphicBuffer);
-
-    // addReleaseFence* adds the sync points associated with a fence to the set
-    // of sync points that must be reached before the buffer in the given slot
-    // may be used after the slot has been released.  This should be called by
-    // derived classes each time some asynchronous work is kicked off that
-    // references the buffer.
-    status_t addReleaseFence(int slot,
-            const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence);
-    status_t addReleaseFenceLocked(int slot,
-            const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence);
-
-    // Slot contains the information and object references that
-    // GonkConsumerBase maintains about a GonkBufferQueue buffer slot.
-    struct Slot {
-        // mGraphicBuffer is the Gralloc buffer store in the slot or NULL if
-        // no Gralloc buffer is in the slot.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mFence is a fence which will signal when the buffer associated with
-        // this buffer slot is no longer being used by the consumer and can be
-        // overwritten. The buffer can be dequeued before the fence signals;
-        // the producer is responsible for delaying writes until it signals.
-        sp<Fence> mFence;
-
-        // the frame number of the last acquired frame for this slot
-        uint64_t mFrameNumber;
-    };
-
-    // mSlots stores the buffers that have been allocated by the GonkBufferQueue
-    // for each buffer slot.  It is initialized to null pointers, and gets
-    // filled in with the result of GonkBufferQueue::acquire when the
-    // client dequeues a buffer from a
-    // slot that has not yet been used. The buffer allocated to a slot will also
-    // be replaced if the requested buffer usage or geometry differs from that
-    // of the buffer allocated to a slot.
-    Slot mSlots[GonkBufferQueue::NUM_BUFFER_SLOTS];
-
-    // mAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume images buffers pushed to it using the IGraphicBufferProducer
-    // interface. It is initialized to false, and set to true in the abandon
-    // method.  A GonkBufferQueue that has been abandoned will return the NO_INIT
-    // error from all IGonkConsumerBase methods capable of returning an error.
-    bool mAbandoned;
-
-    // mName is a string used to identify the GonkConsumerBase in log messages.
-    // It can be set by the setName method.
-    String8 mName;
-
-    // mFrameAvailableListener is the listener object that will be called when a
-    // new frame becomes available. If it is not NULL it will be called from
-    // queueBuffer.
-    wp<FrameAvailableListener> mFrameAvailableListener;
-
-    // The GonkConsumerBase has-a GonkBufferQueue and is responsible for creating this object
-    // if none is supplied
-    sp<GonkBufferQueue> mConsumer;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkConsumerBase objects. It must be locked whenever the
-    // member variables are accessed or when any of the *Locked methods are
-    // called.
-    //
-    // This mutex is intended to be locked by derived classes.
-    mutable Mutex mMutex;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // NATIVEWINDOW_GONKCONSUMERBASE_H
diff --git a/widget/gonk/nativewindow/GonkConsumerBaseLL.cpp b/widget/gonk/nativewindow/GonkConsumerBaseLL.cpp
deleted file mode 100644
index 5b1166b57..000000000
--- a/widget/gonk/nativewindow/GonkConsumerBaseLL.cpp
+++ /dev/null
@@ -1,257 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-
-#define LOG_TAG "GonkConsumerBase"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <hardware/hardware.h>
-
-#include <gui/IGraphicBufferAlloc.h>
-
-#include <utils/Log.h>
-#include <utils/String8.h>
-
-#include "GonkConsumerBaseLL.h"
-
-namespace android {
-
-// Get an ID that's unique within this process.
-static int32_t createProcessUniqueId() {
-    static volatile int32_t globalCounter = 0;
-    return android_atomic_inc(&globalCounter);
-}
-
-GonkConsumerBase::GonkConsumerBase(const sp<IGonkGraphicBufferConsumer>& bufferQueue, bool controlledByApp) :
-        mAbandoned(false),
-        mConsumer(bufferQueue) {
-    // Choose a name using the PID and a process-unique ID.
-    mName = String8::format("unnamed-%d-%d", getpid(), createProcessUniqueId());
-
-    // Note that we can't create an sp<...>(this) in a ctor that will not keep a
-    // reference once the ctor ends, as that would cause the refcount of 'this'
-    // dropping to 0 at the end of the ctor.  Since all we need is a wp<...>
-    // that's what we create.
-    wp<ConsumerListener> listener = static_cast<ConsumerListener*>(this);
-    sp<IConsumerListener> proxy = new GonkBufferQueue::ProxyConsumerListener(listener);
-
-    status_t err = mConsumer->consumerConnect(proxy, controlledByApp);
-    if (err != NO_ERROR) {
-        ALOGE("GonkConsumerBase: error connecting to GonkBufferQueue: %s (%d)",
-                strerror(-err), err);
-    } else {
-        mConsumer->setConsumerName(mName);
-    }
-}
-
-GonkConsumerBase::~GonkConsumerBase() {
-    ALOGV("~GonkConsumerBase");
-    Mutex::Autolock lock(mMutex);
-
-    // Verify that abandon() has been called before we get here.  This should
-    // be done by GonkConsumerBase::onLastStrongRef(), but it's possible for a
-    // derived class to override that method and not call
-    // GonkConsumerBase::onLastStrongRef().
-    LOG_ALWAYS_FATAL_IF(!mAbandoned, "[%s] ~GonkConsumerBase was called, but the "
-        "consumer is not abandoned!", mName.string());
-}
-
-void GonkConsumerBase::onLastStrongRef(const void* id __attribute__((unused))) {
-    abandon();
-}
-
-void GonkConsumerBase::freeBufferLocked(int slotIndex) {
-    ALOGV("freeBufferLocked: slotIndex=%d", slotIndex);
-    mSlots[slotIndex].mGraphicBuffer = 0;
-    mSlots[slotIndex].mFence = Fence::NO_FENCE;
-    mSlots[slotIndex].mFrameNumber = 0;
-}
-
-#if ANDROID_VERSION == 21
-void GonkConsumerBase::onFrameAvailable() {
-#else
-void GonkConsumerBase::onFrameAvailable(const ::android::BufferItem& item) {
-#endif
-    ALOGV("onFrameAvailable");
-
-    sp<FrameAvailableListener> listener;
-    { // scope for the lock
-        Mutex::Autolock lock(mMutex);
-        listener = mFrameAvailableListener.promote();
-    }
-
-    if (listener != NULL) {
-        ALOGV("actually calling onFrameAvailable");
-        listener->onFrameAvailable();
-    }
-}
-
-void GonkConsumerBase::onBuffersReleased() {
-    Mutex::Autolock lock(mMutex);
-
-    ALOGV("onBuffersReleased");
-
-    if (mAbandoned) {
-        // Nothing to do if we're already abandoned.
-        return;
-    }
-
-    uint64_t mask = 0;
-    mConsumer->getReleasedBuffers(&mask);
-    for (int i = 0; i < GonkBufferQueue::NUM_BUFFER_SLOTS; i++) {
-        if (mask & (1ULL << i)) {
-            freeBufferLocked(i);
-        }
-    }
-}
-
-void GonkConsumerBase::onSidebandStreamChanged() {
-}
-
-void GonkConsumerBase::abandon() {
-    ALOGV("abandon");
-    Mutex::Autolock lock(mMutex);
-
-    if (!mAbandoned) {
-        abandonLocked();
-        mAbandoned = true;
-    }
-}
-
-void GonkConsumerBase::abandonLocked() {
-    ALOGV("abandonLocked");
-    for (int i =0; i < GonkBufferQueue::NUM_BUFFER_SLOTS; i++) {
-        freeBufferLocked(i);
-    }
-    // disconnect from the BufferQueue
-    mConsumer->consumerDisconnect();
-    mConsumer.clear();
-}
-
-void GonkConsumerBase::setFrameAvailableListener(
-        const wp<FrameAvailableListener>& listener) {
-    ALOGV("setFrameAvailableListener");
-    Mutex::Autolock lock(mMutex);
-    mFrameAvailableListener = listener;
-}
-
-void GonkConsumerBase::dump(String8& result) const {
-    dump(result, "");
-}
-
-void GonkConsumerBase::dump(String8& result, const char* prefix) const {
-    Mutex::Autolock _l(mMutex);
-    dumpLocked(result, prefix);
-}
-
-void GonkConsumerBase::dumpLocked(String8& result, const char* prefix) const {
-    result.appendFormat("%smAbandoned=%d\n", prefix, int(mAbandoned));
-
-    if (!mAbandoned) {
-        mConsumer->dumpToString(result, prefix);
-    }
-}
-
-status_t GonkConsumerBase::acquireBufferLocked(GonkBufferQueue::BufferItem *item,
-        nsecs_t presentWhen) {
-    status_t err = mConsumer->acquireBuffer(item, presentWhen);
-    if (err != NO_ERROR) {
-        return err;
-    }
-
-    if (item->mGraphicBuffer != NULL) {
-        mSlots[item->mBuf].mGraphicBuffer = item->mGraphicBuffer;
-    }
-
-    mSlots[item->mBuf].mFrameNumber = item->mFrameNumber;
-    mSlots[item->mBuf].mFence = item->mFence;
-
-    ALOGV("acquireBufferLocked: -> slot=%d/%" PRIu64,
-            item->mBuf, item->mFrameNumber);
-
-    return OK;
-}
-
-status_t GonkConsumerBase::addReleaseFence(int slot,
-        const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence) {
-    Mutex::Autolock lock(mMutex);
-    return addReleaseFenceLocked(slot, graphicBuffer, fence);
-}
-
-status_t GonkConsumerBase::addReleaseFenceLocked(int slot,
-        const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence) {
-    ALOGV("addReleaseFenceLocked: slot=%d", slot);
-
-    // If consumer no longer tracks this graphicBuffer, we can safely
-    // drop this fence, as it will never be received by the producer.
-    if (!stillTracking(slot, graphicBuffer)) {
-        return OK;
-    }
-
-    if (!mSlots[slot].mFence.get()) {
-        mSlots[slot].mFence = fence;
-    } else {
-        sp<Fence> mergedFence = Fence::merge(
-                String8::format("%.28s:%d", mName.string(), slot),
-                mSlots[slot].mFence, fence);
-        if (!mergedFence.get()) {
-            ALOGE("failed to merge release fences");
-            // synchronization is broken, the best we can do is hope fences
-            // signal in order so the new fence will act like a union
-            mSlots[slot].mFence = fence;
-            return BAD_VALUE;
-        }
-        mSlots[slot].mFence = mergedFence;
-    }
-
-    return OK;
-}
-
-status_t GonkConsumerBase::releaseBufferLocked(int slot, const sp<GraphicBuffer> graphicBuffer) {
-    // If consumer no longer tracks this graphicBuffer (we received a new
-    // buffer on the same slot), the buffer producer is definitely no longer
-    // tracking it.
-    if (!stillTracking(slot, graphicBuffer)) {
-        return OK;
-    }
-
-    ALOGV("releaseBufferLocked: slot=%d/%" PRIu64,
-            slot, mSlots[slot].mFrameNumber);
-    status_t err = mConsumer->releaseBuffer(slot, mSlots[slot].mFrameNumber, mSlots[slot].mFence);
-    if (err == IGonkGraphicBufferConsumer::STALE_BUFFER_SLOT) {
-        freeBufferLocked(slot);
-    }
-
-    mSlots[slot].mFence = Fence::NO_FENCE;
-
-    return err;
-}
-
-bool GonkConsumerBase::stillTracking(int slot,
-        const sp<GraphicBuffer> graphicBuffer) {
-    if (slot < 0 || slot >= GonkBufferQueue::NUM_BUFFER_SLOTS) {
-        return false;
-    }
-    return (mSlots[slot].mGraphicBuffer != NULL &&
-            mSlots[slot].mGraphicBuffer->handle == graphicBuffer->handle);
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkConsumerBaseLL.h b/widget/gonk/nativewindow/GonkConsumerBaseLL.h
deleted file mode 100644
index 0b2c2d166..000000000
--- a/widget/gonk/nativewindow/GonkConsumerBaseLL.h
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * Copyright (C) 2010 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKCONSUMERBASE_LL_H
-#define NATIVEWINDOW_GONKCONSUMERBASE_LL_H
-
-#include <ui/GraphicBuffer.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-#include <gui/IConsumerListener.h>
-
-#include "GonkBufferQueueLL.h"
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class String8;
-
-// GonkConsumerBase is a base class for GonkBufferQueue consumer end-points. It
-// handles common tasks like management of the connection to the GonkBufferQueue
-// and the buffer pool.
-class GonkConsumerBase : public virtual RefBase,
-        protected ConsumerListener {
-public:
-    struct FrameAvailableListener : public virtual RefBase {
-        // onFrameAvailable() is called each time an additional frame becomes
-        // available for consumption. This means that frames that are queued
-        // while in asynchronous mode only trigger the callback if no previous
-        // frames are pending. Frames queued while in synchronous mode always
-        // trigger the callback.
-        //
-        // This is called without any lock held and can be called concurrently
-        // by multiple threads.
-        virtual void onFrameAvailable() = 0;
-    };
-
-    virtual ~GonkConsumerBase();
-
-    // abandon frees all the buffers and puts the GonkConsumerBase into the
-    // 'abandoned' state.  Once put in this state the GonkConsumerBase can never
-    // leave it.  When in the 'abandoned' state, all methods of the
-    // IGraphicBufferProducer interface will fail with the NO_INIT error.
-    //
-    // Note that while calling this method causes all the buffers to be freed
-    // from the perspective of the the GonkConsumerBase, if there are additional
-    // references on the buffers (e.g. if a buffer is referenced by a client
-    // or by OpenGL ES as a texture) then those buffer will remain allocated.
-    void abandon();
-
-    // set the name of the GonkConsumerBase that will be used to identify it in
-    // log messages.
-    void setName(const String8& name);
-
-    // dump writes the current state to a string. Child classes should add
-    // their state to the dump by overriding the dumpLocked method, which is
-    // called by these methods after locking the mutex.
-    void dump(String8& result) const;
-    void dump(String8& result, const char* prefix) const;
-
-    // setFrameAvailableListener sets the listener object that will be notified
-    // when a new frame becomes available.
-    void setFrameAvailableListener(const wp<FrameAvailableListener>& listener);
-
-private:
-    GonkConsumerBase(const GonkConsumerBase&);
-    void operator=(const GonkConsumerBase&);
-
-protected:
-    // GonkConsumerBase constructs a new GonkConsumerBase object to consume image
-    // buffers from the given IGonkGraphicBufferConsumer.
-    // The controlledByApp flag indicates that this consumer is under the application's
-    // control.
-    GonkConsumerBase(const sp<IGonkGraphicBufferConsumer>& consumer, bool controlledByApp = false);
-
-    // onLastStrongRef gets called by RefBase just before the dtor of the most
-    // derived class.  It is used to clean up the buffers so that GonkConsumerBase
-    // can coordinate the clean-up by calling into virtual methods implemented
-    // by the derived classes.  This would not be possible from the
-    // ConsuemrBase dtor because by the time that gets called the derived
-    // classes have already been destructed.
-    //
-    // This methods should not need to be overridden by derived classes, but
-    // if they are overridden the GonkConsumerBase implementation must be called
-    // from the derived class.
-    virtual void onLastStrongRef(const void* id);
-
-    // Implementation of the IConsumerListener interface.  These
-    // calls are used to notify the GonkConsumerBase of asynchronous events in the
-    // GonkBufferQueue.  The onFrameAvailable and onBuffersReleased methods should
-    // not need to be overridden by derived classes, but if they are overridden
-    // the GonkConsumerBase implementation must be called from the derived class.
-    // The GonkConsumerBase version of onSidebandStreamChanged does nothing and can
-    // be overriden by derived classes if they want the notification.
-#if ANDROID_VERSION == 21
-    virtual void onFrameAvailable();
-#else
-    virtual void onFrameAvailable(const ::android::BufferItem& item);
-    virtual void onFrameReplaced(const ::android::BufferItem& item) {};
-#endif
-    virtual void onBuffersReleased();
-    virtual void onSidebandStreamChanged();
-
-    // freeBufferLocked frees up the given buffer slot.  If the slot has been
-    // initialized this will release the reference to the GraphicBuffer in that
-    // slot.  Otherwise it has no effect.
-    //
-    // Derived classes should override this method to clean up any state they
-    // keep per slot.  If it is overridden, the derived class's implementation
-    // must call GonkConsumerBase::freeBufferLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void freeBufferLocked(int slotIndex);
-
-    // abandonLocked puts the GonkBufferQueue into the abandoned state, causing
-    // all future operations on it to fail. This method rather than the public
-    // abandon method should be overridden by child classes to add abandon-
-    // time behavior.
-    //
-    // Derived classes should override this method to clean up any object
-    // state they keep (as opposed to per-slot state).  If it is overridden,
-    // the derived class's implementation must call GonkConsumerBase::abandonLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void abandonLocked();
-
-    // dumpLocked dumps the current state of the GonkConsumerBase object to the
-    // result string.  Each line is prefixed with the string pointed to by the
-    // prefix argument.  The buffer argument points to a buffer that may be
-    // used for intermediate formatting data, and the size of that buffer is
-    // indicated by the size argument.
-    //
-    // Derived classes should override this method to dump their internal
-    // state.  If this method is overridden the derived class's implementation
-    // should call GonkConsumerBase::dumpLocked.
-    //
-    // This method must be called with mMutex locked.
-    virtual void dumpLocked(String8& result, const char* prefix) const;
-
-    // acquireBufferLocked fetches the next buffer from the GonkBufferQueue and
-    // updates the buffer slot for the buffer returned.
-    //
-    // Derived classes should override this method to perform any
-    // initialization that must take place the first time a buffer is assigned
-    // to a slot.  If it is overridden the derived class's implementation must
-    // call GonkConsumerBase::acquireBufferLocked.
-    virtual status_t acquireBufferLocked(IGonkGraphicBufferConsumer::BufferItem *item,
-        nsecs_t presentWhen);
-
-    // releaseBufferLocked relinquishes control over a buffer, returning that
-    // control to the GonkBufferQueue.
-    //
-    // Derived classes should override this method to perform any cleanup that
-    // must take place when a buffer is released back to the GonkBufferQueue.  If
-    // it is overridden the derived class's implementation must call
-    // GonkConsumerBase::releaseBufferLocked.
-    virtual status_t releaseBufferLocked(int slot, const sp<GraphicBuffer> graphicBuffer);
-
-    // returns true iff the slot still has the graphicBuffer in it.
-    bool stillTracking(int slot, const sp<GraphicBuffer> graphicBuffer);
-
-    // addReleaseFence* adds the sync points associated with a fence to the set
-    // of sync points that must be reached before the buffer in the given slot
-    // may be used after the slot has been released.  This should be called by
-    // derived classes each time some asynchronous work is kicked off that
-    // references the buffer.
-    status_t addReleaseFence(int slot,
-            const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence);
-    status_t addReleaseFenceLocked(int slot,
-            const sp<GraphicBuffer> graphicBuffer, const sp<Fence>& fence);
-
-    // Slot contains the information and object references that
-    // GonkConsumerBase maintains about a GonkBufferQueue buffer slot.
-    struct Slot {
-        // mGraphicBuffer is the Gralloc buffer store in the slot or NULL if
-        // no Gralloc buffer is in the slot.
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mFence is a fence which will signal when the buffer associated with
-        // this buffer slot is no longer being used by the consumer and can be
-        // overwritten. The buffer can be dequeued before the fence signals;
-        // the producer is responsible for delaying writes until it signals.
-        sp<Fence> mFence;
-
-        // the frame number of the last acquired frame for this slot
-        uint64_t mFrameNumber;
-    };
-
-    // mSlots stores the buffers that have been allocated by the GonkBufferQueue
-    // for each buffer slot.  It is initialized to null pointers, and gets
-    // filled in with the result of GonkBufferQueue::acquire when the
-    // client dequeues a buffer from a
-    // slot that has not yet been used. The buffer allocated to a slot will also
-    // be replaced if the requested buffer usage or geometry differs from that
-    // of the buffer allocated to a slot.
-    Slot mSlots[GonkBufferQueue::NUM_BUFFER_SLOTS];
-
-    // mAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume images buffers pushed to it using the IGraphicBufferProducer
-    // interface. It is initialized to false, and set to true in the abandon
-    // method.  A GonkBufferQueue that has been abandoned will return the NO_INIT
-    // error from all IConsumerBase methods capable of returning an error.
-    bool mAbandoned;
-
-    // mName is a string used to identify the GonkConsumerBase in log messages.
-    // It can be set by the setName method.
-    String8 mName;
-
-    // mFrameAvailableListener is the listener object that will be called when a
-    // new frame becomes available. If it is not NULL it will be called from
-    // queueBuffer.
-    wp<FrameAvailableListener> mFrameAvailableListener;
-
-    // The GonkConsumerBase has-a GonkBufferQueue and is responsible for creating this object
-    // if none is supplied
-    sp<IGonkGraphicBufferConsumer> mConsumer;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkConsumerBase objects. It must be locked whenever the
-    // member variables are accessed or when any of the *Locked methods are
-    // called.
-    //
-    // This mutex is intended to be locked by derived classes.
-    mutable Mutex mMutex;
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // NATIVEWINDOW_GONKCONSUMERBASE_LL_H
diff --git a/widget/gonk/nativewindow/GonkNativeWindow.h b/widget/gonk/nativewindow/GonkNativeWindow.h
deleted file mode 100644
index 61b6780b8..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindow.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/* Copyright 2013 Mozilla Foundation and Mozilla contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
-# include "GonkNativeWindowLL.h"
-#elif defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 19
-# include "GonkNativeWindowKK.h"
-#elif defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 17
-# include "GonkNativeWindowJB.h"
-#endif
diff --git a/widget/gonk/nativewindow/GonkNativeWindowJB.cpp b/widget/gonk/nativewindow/GonkNativeWindowJB.cpp
deleted file mode 100644
index e38642009..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindowJB.cpp
+++ /dev/null
@@ -1,180 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "GonkNativeWindow"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#include <utils/Log.h>
-
-#include "GonkNativeWindowJB.h"
-#include "GrallocImages.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-#include "mozilla/RefPtr.h"
-
-#define BI_LOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__)
-#define BI_LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
-#define BI_LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
-#define BI_LOGW(...) __android_log_print(ANDROID_LOG_WARN, LOG_TAG, __VA_ARGS__)
-#define BI_LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)
-
-using namespace mozilla;
-using namespace mozilla::layers;
-
-namespace android {
-
-GonkNativeWindow::GonkNativeWindow(int bufferCount) :
-    GonkConsumerBase(new GonkBufferQueue(true) ),
-    mNewFrameCallback(nullptr)
-{
-    mBufferQueue->setMaxAcquiredBufferCount(bufferCount);
-}
-
-GonkNativeWindow::~GonkNativeWindow() {
-}
-
-void GonkNativeWindow::setName(const String8& name) {
-    Mutex::Autolock _l(mMutex);
-    mName = name;
-    mBufferQueue->setConsumerName(name);
-}
-#if ANDROID_VERSION >= 18
-status_t GonkNativeWindow::acquireBuffer(BufferItem *item, bool waitForFence) {
-    status_t err;
-
-    if (!item) return BAD_VALUE;
-
-    Mutex::Autolock _l(mMutex);
-
-    err = acquireBufferLocked(item);
-    if (err != OK) {
-        if (err != NO_BUFFER_AVAILABLE) {
-            BI_LOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
-        }
-        return err;
-    }
-
-    if (waitForFence) {
-        err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer");
-        if (err != OK) {
-            BI_LOGE("Failed to wait for fence of acquired buffer: %s (%d)",
-                    strerror(-err), err);
-            return err;
-        }
-    }
-
-    item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer;
-
-    return OK;
-}
-
-status_t GonkNativeWindow::releaseBuffer(const BufferItem &item,
-        const sp<Fence>& releaseFence) {
-    status_t err;
-
-    Mutex::Autolock _l(mMutex);
-
-    err = addReleaseFenceLocked(item.mBuf, releaseFence);
-
-    err = releaseBufferLocked(item.mBuf);
-    if (err != OK) {
-        BI_LOGE("Failed to release buffer: %s (%d)",
-                strerror(-err), err);
-    }
-    return err;
-}
-#endif
-
-status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock _l(mMutex);
-    return mBufferQueue->setDefaultBufferSize(w, h);
-}
-
-status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) {
-    Mutex::Autolock _l(mMutex);
-    return mBufferQueue->setDefaultBufferFormat(defaultFormat);
-}
-
-already_AddRefed<TextureClient>
-GonkNativeWindow::getCurrentBuffer() {
-    Mutex::Autolock _l(mMutex);
-    GonkBufferQueue::BufferItem item;
-
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    status_t err = acquireBufferLocked(&item);
-    if (err != NO_ERROR) {
-        return NULL;
-    }
-
-    RefPtr<TextureClient> textureClient =
-      mBufferQueue->getTextureClientFromBuffer(item.mGraphicBuffer.get());
-    if (!textureClient) {
-        return NULL;
-    }
-    textureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this);
-    return textureClient.forget();
-}
-
-/* static */ void
-GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) {
-  GonkNativeWindow* nativeWindow =
-    static_cast<GonkNativeWindow*>(closure);
-
-  MOZ_ASSERT(client && !client->IsDead());
-  client->ClearRecycleCallback();
-  nativeWindow->returnBuffer(client);
-}
-
-void GonkNativeWindow::returnBuffer(TextureClient* client) {
-    BI_LOGD("GonkNativeWindow::returnBuffer");
-    Mutex::Autolock lock(mMutex);
-
-    int index =  mBufferQueue->getSlotFromTextureClientLocked(client);
-    if (index < 0) {
-    }
-
-    FenceHandle handle = client->GetAndResetReleaseFenceHandle();
-    RefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj();
-    sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
-
-    addReleaseFenceLocked(index, fence);
-
-    releaseBufferLocked(index);
-}
-
-already_AddRefed<TextureClient>
-GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) {
-    Mutex::Autolock lock(mMutex);
-    return mBufferQueue->getTextureClientFromBuffer(buffer);
-}
-
-void GonkNativeWindow::setNewFrameCallback(
-        GonkNativeWindowNewFrameCallback* callback) {
-    BI_LOGD("setNewFrameCallback");
-    Mutex::Autolock lock(mMutex);
-    mNewFrameCallback = callback;
-}
-
-void GonkNativeWindow::onFrameAvailable() {
-    GonkConsumerBase::onFrameAvailable();
-
-    if (mNewFrameCallback) {
-      mNewFrameCallback->OnNewFrame();
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkNativeWindowJB.h b/widget/gonk/nativewindow/GonkNativeWindowJB.h
deleted file mode 100644
index e63a7527d..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindowJB.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKNATIVEWINDOW_JB_H
-#define NATIVEWINDOW_GONKNATIVEWINDOW_JB_H
-
-#include <ui/GraphicBuffer.h>
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-#include "GonkConsumerBaseJB.h"
-#include "GrallocImages.h"
-#include "mozilla/layers/LayersSurfaces.h"
-
-namespace mozilla {
-namespace layers {
-    class PGrallocBufferChild;
-}
-}
-
-namespace android {
-
-// The user of GonkNativeWindow who wants to receive notification of
-// new frames should implement this interface.
-class GonkNativeWindowNewFrameCallback {
-public:
-    virtual void OnNewFrame() = 0;
-};
-
-/**
- * GonkNativeWindow is a GonkBufferQueue consumer endpoint that allows clients
- * access to the whole BufferItem entry from GonkBufferQueue. Multiple buffers may
- * be acquired at once, to be used concurrently by the client. This consumer can
- * operate either in synchronous or asynchronous mode.
- */
-class GonkNativeWindow: public GonkConsumerBase
-{
-    typedef mozilla::layers::TextureClient TextureClient;
-  public:
-    typedef GonkConsumerBase::FrameAvailableListener FrameAvailableListener;
-
-    typedef GonkBufferQueue::BufferItem BufferItem;
-
-    enum { INVALID_BUFFER_SLOT = GonkBufferQueue::INVALID_BUFFER_SLOT };
-    enum { NO_BUFFER_AVAILABLE = GonkBufferQueue::NO_BUFFER_AVAILABLE };
-
-    // Create a new buffer item consumer. The consumerUsage parameter determines
-    // the consumer usage flags passed to the graphics allocator. The
-    // bufferCount parameter specifies how many buffers can be locked for user
-    // access at the same time.
-    GonkNativeWindow(int bufferCount = GonkBufferQueue::MIN_UNDEQUEUED_BUFFERS);
-
-    virtual ~GonkNativeWindow();
-
-    // set the name of the GonkNativeWindow that will be used to identify it in
-    // log messages.
-    void setName(const String8& name);
-
-    // Gets the next graphics buffer from the producer, filling out the
-    // passed-in BufferItem structure. Returns NO_BUFFER_AVAILABLE if the queue
-    // of buffers is empty, and INVALID_OPERATION if the maximum number of
-    // buffers is already acquired.
-    //
-    // Only a fixed number of buffers can be acquired at a time, determined by
-    // the construction-time bufferCount parameter. If INVALID_OPERATION is
-    // returned by acquireBuffer, then old buffers must be returned to the
-    // queue by calling releaseBuffer before more buffers can be acquired.
-    //
-    // If waitForFence is true, and the acquired BufferItem has a valid fence object,
-    // acquireBuffer will wait on the fence with no timeout before returning.
-#if ANDROID_VERSION >= 18
-    status_t acquireBuffer(BufferItem *item, bool waitForFence = true);
-#endif
-    // Returns an acquired buffer to the queue, allowing it to be reused. Since
-    // only a fixed number of buffers may be acquired at a time, old buffers
-    // must be released by calling releaseBuffer to ensure new buffers can be
-    // acquired by acquireBuffer. Once a BufferItem is released, the caller must
-    // not access any members of the BufferItem, and should immediately remove
-    // all of its references to the BufferItem itself.
-#if ANDROID_VERSION >= 18
-    status_t releaseBuffer(const BufferItem &item,
-            const sp<Fence>& releaseFence = Fence::NO_FENCE);
-#endif
-
-    sp<IGraphicBufferProducer> getProducerInterface() const { return getBufferQueue(); }
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // requestBuffers when a with and height of zero is requested.
-    status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-
-    // setDefaultBufferFormat allows the BufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer
-    status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // Get next frame from the queue, caller owns the returned buffer.
-    already_AddRefed<TextureClient> getCurrentBuffer();
-
-    // Return the buffer to the queue and mark it as FREE. After that
-    // the buffer is useable again for the decoder.
-    void returnBuffer(TextureClient* client);
-
-    already_AddRefed<TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    void setNewFrameCallback(GonkNativeWindowNewFrameCallback* callback);
-
-    static void RecycleCallback(TextureClient* client, void* closure);
-
-protected:
-    virtual void onFrameAvailable();
-
-private:
-    GonkNativeWindowNewFrameCallback* mNewFrameCallback;
-};
-
-} // namespace android
-
-#endif // NATIVEWINDOW_GONKNATIVEWINDOW_JB_H
diff --git a/widget/gonk/nativewindow/GonkNativeWindowKK.cpp b/widget/gonk/nativewindow/GonkNativeWindowKK.cpp
deleted file mode 100644
index cf34d6539..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindowKK.cpp
+++ /dev/null
@@ -1,182 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "GonkNativeWindow"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#include <utils/Log.h>
-
-#include "GonkNativeWindowKK.h"
-#include "GrallocImages.h"
-
-using namespace mozilla;
-using namespace mozilla::layers;
-
-namespace android {
-
-GonkNativeWindow::GonkNativeWindow(int bufferCount) :
-    GonkConsumerBase(new GonkBufferQueue(true), false),
-    mNewFrameCallback(nullptr)
-{
-    mConsumer->setMaxAcquiredBufferCount(bufferCount);
-}
-
-GonkNativeWindow::GonkNativeWindow(const sp<GonkBufferQueue>& bq,
-        uint32_t consumerUsage, int bufferCount, bool controlledByApp) :
-    GonkConsumerBase(bq, controlledByApp)
-{
-    mConsumer->setConsumerUsageBits(consumerUsage);
-    mConsumer->setMaxAcquiredBufferCount(bufferCount);
-}
-
-GonkNativeWindow::~GonkNativeWindow() {
-}
-
-void GonkNativeWindow::setName(const String8& name) {
-    Mutex::Autolock _l(mMutex);
-    mName = name;
-    mConsumer->setConsumerName(name);
-}
-
-status_t GonkNativeWindow::acquireBuffer(BufferItem *item,
-        nsecs_t presentWhen, bool waitForFence) {
-    status_t err;
-
-    if (!item) return BAD_VALUE;
-
-    Mutex::Autolock _l(mMutex);
-
-    err = acquireBufferLocked(item, presentWhen);
-    if (err != OK) {
-        if (err != NO_BUFFER_AVAILABLE) {
-            ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
-        }
-        return err;
-    }
-
-    if (waitForFence) {
-        err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer");
-        if (err != OK) {
-            ALOGE("Failed to wait for fence of acquired buffer: %s (%d)",
-                    strerror(-err), err);
-            return err;
-        }
-    }
-
-    item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer;
-
-    return OK;
-}
-
-status_t GonkNativeWindow::releaseBuffer(const BufferItem &item,
-        const sp<Fence>& releaseFence) {
-    status_t err;
-
-    Mutex::Autolock _l(mMutex);
-
-    err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence);
-
-    err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer);
-    if (err != OK) {
-        ALOGE("Failed to release buffer: %s (%d)",
-                strerror(-err), err);
-    }
-    return err;
-}
-
-status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock _l(mMutex);
-    return mConsumer->setDefaultBufferSize(w, h);
-}
-
-status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) {
-    Mutex::Autolock _l(mMutex);
-    return mConsumer->setDefaultBufferFormat(defaultFormat);
-}
-
-already_AddRefed<TextureClient>
-GonkNativeWindow::getCurrentBuffer() {
-    Mutex::Autolock _l(mMutex);
-    BufferItem item;
-
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    status_t err = acquireBufferLocked(&item, 0); //???
-    if (err != NO_ERROR) {
-        return NULL;
-    }
-
-    RefPtr<TextureClient> textureClient =
-      mConsumer->getTextureClientFromBuffer(item.mGraphicBuffer.get());
-    if (!textureClient) {
-        return NULL;
-    }
-    textureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this);
-    return textureClient.forget();
-}
-
-/* static */ void
-GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) {
-  GonkNativeWindow* nativeWindow =
-    static_cast<GonkNativeWindow*>(closure);
-
-  MOZ_ASSERT(client && !client->IsDead());
-  client->ClearRecycleCallback();
-  nativeWindow->returnBuffer(client);
-}
-
-void GonkNativeWindow::returnBuffer(TextureClient* client) {
-    ALOGD("GonkNativeWindow::returnBuffer");
-    Mutex::Autolock lock(mMutex);
-
-    int index =  mConsumer->getSlotFromTextureClientLocked(client);
-    if (index < 0) {
-    }
-
-    FenceHandle handle = client->GetAndResetReleaseFenceHandle();
-    RefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj();
-    sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
-
-    addReleaseFenceLocked(index,
-                          mSlots[index].mGraphicBuffer,
-                          fence);
-
-    releaseBufferLocked(index, mSlots[index].mGraphicBuffer);
-}
-
-already_AddRefed<TextureClient>
-GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) {
-    Mutex::Autolock lock(mMutex);
-    return mConsumer->getTextureClientFromBuffer(buffer);
-}
-
-void GonkNativeWindow::setNewFrameCallback(
-        GonkNativeWindowNewFrameCallback* callback) {
-    ALOGD("setNewFrameCallback");
-    Mutex::Autolock lock(mMutex);
-    mNewFrameCallback = callback;
-}
-
-void GonkNativeWindow::onFrameAvailable() {
-    GonkConsumerBase::onFrameAvailable();
-
-    if (mNewFrameCallback) {
-      mNewFrameCallback->OnNewFrame();
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkNativeWindowKK.h b/widget/gonk/nativewindow/GonkNativeWindowKK.h
deleted file mode 100644
index e36788b41..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindowKK.h
+++ /dev/null
@@ -1,135 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2013 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKNATIVEWINDOW_KK_H
-#define NATIVEWINDOW_GONKNATIVEWINDOW_KK_H
-
-#include <ui/GraphicBuffer.h>
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-#include "GonkConsumerBaseKK.h"
-#include "GrallocImages.h"
-#include "IGonkGraphicBufferConsumer.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-#include "mozilla/layers/LayersSurfaces.h"
-
-namespace mozilla {
-namespace layers {
-    class PGrallocBufferChild;
-}
-}
-
-namespace android {
-
-// The user of GonkNativeWindow who wants to receive notification of
-// new frames should implement this interface.
-class GonkNativeWindowNewFrameCallback {
-public:
-    virtual void OnNewFrame() = 0;
-};
-
-/**
- * GonkNativeWindow is a GonkBufferQueue consumer endpoint that allows clients
- * access to the whole BufferItem entry from GonkBufferQueue. Multiple buffers may
- * be acquired at once, to be used concurrently by the client. This consumer can
- * operate either in synchronous or asynchronous mode.
- */
-class GonkNativeWindow: public GonkConsumerBase
-{
-    typedef mozilla::layers::TextureClient TextureClient;
-  public:
-    typedef GonkConsumerBase::FrameAvailableListener FrameAvailableListener;
-    typedef IGonkGraphicBufferConsumer::BufferItem BufferItem;
-
-    enum { INVALID_BUFFER_SLOT = GonkBufferQueue::INVALID_BUFFER_SLOT };
-    enum { NO_BUFFER_AVAILABLE = GonkBufferQueue::NO_BUFFER_AVAILABLE };
-
-    // Create a new buffer item consumer. The consumerUsage parameter determines
-    // the consumer usage flags passed to the graphics allocator. The
-    // bufferCount parameter specifies how many buffers can be locked for user
-    // access at the same time.
-    // controlledByApp tells whether this consumer is controlled by the
-    // application.
-    GonkNativeWindow(int bufferCount = GonkBufferQueue::MIN_UNDEQUEUED_BUFFERS);
-    GonkNativeWindow(const sp<GonkBufferQueue>& bq, uint32_t consumerUsage,
-            int bufferCount = GonkBufferQueue::MIN_UNDEQUEUED_BUFFERS,
-            bool controlledByApp = false);
-
-    virtual ~GonkNativeWindow();
-
-    // set the name of the GonkNativeWindow that will be used to identify it in
-    // log messages.
-    void setName(const String8& name);
-
-    // Gets the next graphics buffer from the producer, filling out the
-    // passed-in BufferItem structure. Returns NO_BUFFER_AVAILABLE if the queue
-    // of buffers is empty, and INVALID_OPERATION if the maximum number of
-    // buffers is already acquired.
-    //
-    // Only a fixed number of buffers can be acquired at a time, determined by
-    // the construction-time bufferCount parameter. If INVALID_OPERATION is
-    // returned by acquireBuffer, then old buffers must be returned to the
-    // queue by calling releaseBuffer before more buffers can be acquired.
-    //
-    // If waitForFence is true, and the acquired BufferItem has a valid fence object,
-    // acquireBuffer will wait on the fence with no timeout before returning.
-    status_t acquireBuffer(BufferItem *item, nsecs_t presentWhen,
-        bool waitForFence = true);
-
-    // Returns an acquired buffer to the queue, allowing it to be reused. Since
-    // only a fixed number of buffers may be acquired at a time, old buffers
-    // must be released by calling releaseBuffer to ensure new buffers can be
-    // acquired by acquireBuffer. Once a BufferItem is released, the caller must
-    // not access any members of the BufferItem, and should immediately remove
-    // all of its references to the BufferItem itself.
-    status_t releaseBuffer(const BufferItem &item,
-            const sp<Fence>& releaseFence = Fence::NO_FENCE);
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // requestBuffers when a with and height of zero is requested.
-    status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-
-    // setDefaultBufferFormat allows the BufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer
-    status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // Get next frame from the queue, caller owns the returned buffer.
-    already_AddRefed<TextureClient> getCurrentBuffer();
-
-    // Return the buffer to the queue and mark it as FREE. After that
-    // the buffer is useable again for the decoder.
-    void returnBuffer(TextureClient* client);
-
-    already_AddRefed<TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    void setNewFrameCallback(GonkNativeWindowNewFrameCallback* callback);
-
-    static void RecycleCallback(TextureClient* client, void* closure);
-
-protected:
-    virtual void onFrameAvailable();
-
-private:
-    GonkNativeWindowNewFrameCallback* mNewFrameCallback;
-};
-
-} // namespace android
-
-#endif // NATIVEWINDOW_GONKNATIVEWINDOW_JB_H
diff --git a/widget/gonk/nativewindow/GonkNativeWindowLL.cpp b/widget/gonk/nativewindow/GonkNativeWindowLL.cpp
deleted file mode 100644
index 48644a22f..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindowLL.cpp
+++ /dev/null
@@ -1,204 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-//#define LOG_NDEBUG 0
-#define LOG_TAG "GonkNativeWindow"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#include <utils/Log.h>
-
-#include "GonkNativeWindowLL.h"
-
-using namespace mozilla;
-using namespace mozilla::layers;
-
-namespace android {
-
-GonkNativeWindow::GonkNativeWindow(
-        const sp<IGonkGraphicBufferConsumer>& consumer, int bufferCount) :
-    GonkConsumerBase(consumer, false),
-    mNewFrameCallback(nullptr)
-{
-    if (bufferCount != DEFAULT_MAX_BUFFERS) {
-        status_t err = mConsumer->setMaxAcquiredBufferCount(bufferCount);
-        LOG_ALWAYS_FATAL_IF(err != OK,
-                "Failed to set max acquired buffer count to %d", bufferCount);
-    }
-}
-
-GonkNativeWindow::GonkNativeWindow(
-        const sp<IGonkGraphicBufferConsumer>& consumer, uint32_t consumerUsage,
-        int bufferCount, bool controlledByApp) :
-    GonkConsumerBase(consumer, controlledByApp)
-{
-    status_t err = mConsumer->setConsumerUsageBits(consumerUsage);
-    LOG_ALWAYS_FATAL_IF(err != OK,
-            "Failed to set consumer usage bits to %#x", consumerUsage);
-    if (bufferCount != DEFAULT_MAX_BUFFERS) {
-        err = mConsumer->setMaxAcquiredBufferCount(bufferCount);
-        LOG_ALWAYS_FATAL_IF(err != OK,
-                "Failed to set max acquired buffer count to %d", bufferCount);
-    }
-}
-
-GonkNativeWindow::~GonkNativeWindow() {
-}
-
-void GonkNativeWindow::setName(const String8& name) {
-    Mutex::Autolock _l(mMutex);
-    mName = name;
-    mConsumer->setConsumerName(name);
-}
-
-status_t GonkNativeWindow::acquireBuffer(BufferItem *item,
-        nsecs_t presentWhen, bool waitForFence) {
-    status_t err;
-
-    if (!item) return BAD_VALUE;
-
-    Mutex::Autolock _l(mMutex);
-
-    err = acquireBufferLocked(item, presentWhen);
-    if (err != OK) {
-        if (err != NO_BUFFER_AVAILABLE) {
-            ALOGE("Error acquiring buffer: %s (%d)", strerror(err), err);
-        }
-        return err;
-    }
-
-    if (waitForFence) {
-        err = item->mFence->waitForever("GonkNativeWindow::acquireBuffer");
-        if (err != OK) {
-            ALOGE("Failed to wait for fence of acquired buffer: %s (%d)",
-                    strerror(-err), err);
-            return err;
-        }
-    }
-
-    item->mGraphicBuffer = mSlots[item->mBuf].mGraphicBuffer;
-
-    return OK;
-}
-
-status_t GonkNativeWindow::releaseBuffer(const BufferItem &item,
-        const sp<Fence>& releaseFence) {
-    status_t err;
-
-    Mutex::Autolock _l(mMutex);
-
-    err = addReleaseFenceLocked(item.mBuf, item.mGraphicBuffer, releaseFence);
-
-    err = releaseBufferLocked(item.mBuf, item.mGraphicBuffer);
-    if (err != OK) {
-        ALOGE("Failed to release buffer: %s (%d)",
-                strerror(-err), err);
-    }
-    return err;
-}
-
-status_t GonkNativeWindow::setDefaultBufferSize(uint32_t w, uint32_t h) {
-    Mutex::Autolock _l(mMutex);
-    return mConsumer->setDefaultBufferSize(w, h);
-}
-
-status_t GonkNativeWindow::setDefaultBufferFormat(uint32_t defaultFormat) {
-    Mutex::Autolock _l(mMutex);
-    return mConsumer->setDefaultBufferFormat(defaultFormat);
-}
-
-already_AddRefed<TextureClient>
-GonkNativeWindow::getCurrentBuffer() {
-    Mutex::Autolock _l(mMutex);
-    BufferItem item;
-
-    // In asynchronous mode the list is guaranteed to be one buffer
-    // deep, while in synchronous mode we use the oldest buffer.
-    status_t err = acquireBufferLocked(&item, 0); //???
-    if (err != NO_ERROR) {
-        return NULL;
-    }
-
-    RefPtr<TextureClient> textureClient =
-        mConsumer->getTextureClientFromBuffer(item.mGraphicBuffer.get());
-    if (!textureClient) {
-        return NULL;
-    }
-    textureClient->SetRecycleCallback(GonkNativeWindow::RecycleCallback, this);
-    return textureClient.forget();
-}
-
-/* static */ void
-GonkNativeWindow::RecycleCallback(TextureClient* client, void* closure) {
-    GonkNativeWindow* nativeWindow =
-        static_cast<GonkNativeWindow*>(closure);
-
-    MOZ_ASSERT(client && !client->IsDead());
-    client->ClearRecycleCallback();
-    nativeWindow->returnBuffer(client);
-}
-
-void GonkNativeWindow::returnBuffer(TextureClient* client) {
-    ALOGD("GonkNativeWindow::returnBuffer");
-    Mutex::Autolock lock(mMutex);
-
-    int index = mConsumer->getSlotFromTextureClientLocked(client);
-    if (index < 0) {
-        return;
-    }
-
-    FenceHandle handle = client->GetAndResetReleaseFenceHandle();
-    RefPtr<FenceHandle::FdObj> fdObj = handle.GetAndResetFdObj();
-    sp<Fence> fence = new Fence(fdObj->GetAndResetFd());
-
-    status_t err;
-    err = addReleaseFenceLocked(index,
-                                mSlots[index].mGraphicBuffer,
-                                fence);
-
-    err = releaseBufferLocked(index, mSlots[index].mGraphicBuffer);
-
-    if (err != OK) {
-        ALOGE("Failed to return buffer: %s (%d)", strerror(-err), err);
-    }
-}
-
-already_AddRefed<TextureClient>
-GonkNativeWindow::getTextureClientFromBuffer(ANativeWindowBuffer* buffer) {
-    Mutex::Autolock lock(mMutex);
-    return mConsumer->getTextureClientFromBuffer(buffer);
-}
-
-void GonkNativeWindow::setNewFrameCallback(
-        GonkNativeWindowNewFrameCallback* callback) {
-    ALOGD("setNewFrameCallback");
-    Mutex::Autolock lock(mMutex);
-    mNewFrameCallback = callback;
-}
-
-#if ANDROID_VERSION == 21
-void GonkNativeWindow::onFrameAvailable() {
-    GonkConsumerBase::onFrameAvailable();
-#else
-void GonkNativeWindow::onFrameAvailable(const ::android::BufferItem &item) {
-    GonkConsumerBase::onFrameAvailable(item);
-#endif
-
-    if (mNewFrameCallback) {
-        mNewFrameCallback->OnNewFrame();
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkNativeWindowLL.h b/widget/gonk/nativewindow/GonkNativeWindowLL.h
deleted file mode 100644
index 64cd6482d..000000000
--- a/widget/gonk/nativewindow/GonkNativeWindowLL.h
+++ /dev/null
@@ -1,133 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKNATIVEWINDOW_LL_H
-#define NATIVEWINDOW_GONKNATIVEWINDOW_LL_H
-
-#include <ui/GraphicBuffer.h>
-
-#include <utils/String8.h>
-#include <utils/Vector.h>
-#include <utils/threads.h>
-
-#include "GonkConsumerBaseLL.h"
-#include "IGonkGraphicBufferConsumerLL.h"
-
-namespace android {
-
-// The user of GonkNativeWindow who wants to receive notification of
-// new frames should implement this interface.
-class GonkNativeWindowNewFrameCallback {
-public:
-    virtual void OnNewFrame() = 0;
-};
-
-/**
- * GonkNativeWindow is a GonkBufferQueue consumer endpoint that allows clients
- * access to the whole BufferItem entry from GonkBufferQueue. Multiple buffers may
- * be acquired at once, to be used concurrently by the client. This consumer can
- * operate either in synchronous or asynchronous mode.
- */
-class GonkNativeWindow: public GonkConsumerBase
-{
-    typedef mozilla::layers::TextureClient TextureClient;
-  public:
-    typedef GonkConsumerBase::FrameAvailableListener FrameAvailableListener;
-    typedef GonkBufferQueue::BufferItem BufferItem;
-
-    enum { DEFAULT_MAX_BUFFERS = -1 };
-    enum { INVALID_BUFFER_SLOT = GonkBufferQueue::INVALID_BUFFER_SLOT };
-    enum { NO_BUFFER_AVAILABLE = GonkBufferQueue::NO_BUFFER_AVAILABLE };
-
-    // Create a new buffer item consumer. The consumerUsage parameter determines
-    // the consumer usage flags passed to the graphics allocator. The
-    // bufferCount parameter specifies how many buffers can be locked for user
-    // access at the same time.
-    // controlledByApp tells whether this consumer is controlled by the
-    // application.
-    GonkNativeWindow(const sp<IGonkGraphicBufferConsumer>& consumer,
-            int bufferCount = DEFAULT_MAX_BUFFERS);
-    GonkNativeWindow(const sp<IGonkGraphicBufferConsumer>& consumer,
-            uint32_t consumerUsage, int bufferCount = DEFAULT_MAX_BUFFERS,
-            bool controlledByApp = false);
-
-    virtual ~GonkNativeWindow();
-
-    // set the name of the GonkNativeWindow that will be used to identify it in
-    // log messages.
-    void setName(const String8& name);
-
-    // Gets the next graphics buffer from the producer, filling out the
-    // passed-in BufferItem structure. Returns NO_BUFFER_AVAILABLE if the queue
-    // of buffers is empty, and INVALID_OPERATION if the maximum number of
-    // buffers is already acquired.
-    //
-    // Only a fixed number of buffers can be acquired at a time, determined by
-    // the construction-time bufferCount parameter. If INVALID_OPERATION is
-    // returned by acquireBuffer, then old buffers must be returned to the
-    // queue by calling releaseBuffer before more buffers can be acquired.
-    //
-    // If waitForFence is true, and the acquired BufferItem has a valid fence object,
-    // acquireBuffer will wait on the fence with no timeout before returning.
-    status_t acquireBuffer(BufferItem *item, nsecs_t presentWhen,
-        bool waitForFence = true);
-
-    // Returns an acquired buffer to the queue, allowing it to be reused. Since
-    // only a fixed number of buffers may be acquired at a time, old buffers
-    // must be released by calling releaseBuffer to ensure new buffers can be
-    // acquired by acquireBuffer. Once a BufferItem is released, the caller must
-    // not access any members of the BufferItem, and should immediately remove
-    // all of its references to the BufferItem itself.
-    status_t releaseBuffer(const BufferItem &item,
-            const sp<Fence>& releaseFence = Fence::NO_FENCE);
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // requestBuffers when a with and height of zero is requested.
-    status_t setDefaultBufferSize(uint32_t w, uint32_t h);
-
-    // setDefaultBufferFormat allows the GonkBufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer
-    status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // Get next frame from the queue, caller owns the returned buffer.
-    already_AddRefed<TextureClient> getCurrentBuffer();
-
-    // Return the buffer to the queue and mark it as FREE. After that
-    // the buffer is useable again for the decoder.
-    void returnBuffer(TextureClient* client);
-
-    already_AddRefed<TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    void setNewFrameCallback(GonkNativeWindowNewFrameCallback* callback);
-
-    static void RecycleCallback(TextureClient* client, void* closure);
-
-protected:
-#if ANDROID_VERSION == 21
-    virtual void onFrameAvailable();
-#else
-    virtual void onFrameAvailable(const ::android::BufferItem &item);
-#endif
-
-private:
-    GonkNativeWindowNewFrameCallback* mNewFrameCallback;
-};
-
-} // namespace android
-
-#endif // NATIVEWINDOW_GONKNATIVEWINDOW_LL_H
diff --git a/widget/gonk/nativewindow/IGonkGraphicBufferConsumer.h b/widget/gonk/nativewindow/IGonkGraphicBufferConsumer.h
deleted file mode 100644
index 14541c9b4..000000000
--- a/widget/gonk/nativewindow/IGonkGraphicBufferConsumer.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/* Copyright 2013 Mozilla Foundation and Mozilla contributors
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#if defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 21
-# include "IGonkGraphicBufferConsumerLL.h"
-#elif defined(MOZ_WIDGET_GONK) && ANDROID_VERSION >= 19
-# include "IGonkGraphicBufferConsumerKK.h"
-#endif
diff --git a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerKK.cpp b/widget/gonk/nativewindow/IGonkGraphicBufferConsumerKK.cpp
deleted file mode 100644
index c4c9f6578..000000000
--- a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerKK.cpp
+++ /dev/null
@@ -1,480 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define EGL_EGLEXT_PROTOTYPES
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-
-#include <binder/Parcel.h>
-#include <binder/IInterface.h>
-
-#include <gui/IConsumerListener.h>
-#include "IGonkGraphicBufferConsumerKK.h"
-
-#include <ui/GraphicBuffer.h>
-#include <ui/Fence.h>
-
-#include <system/window.h>
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-IGonkGraphicBufferConsumer::BufferItem::BufferItem() :
-    mTransform(0),
-    mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-    mTimestamp(0),
-    mIsAutoTimestamp(false),
-    mFrameNumber(0),
-    mBuf(INVALID_BUFFER_SLOT),
-    mIsDroppable(false),
-    mAcquireCalled(false),
-    mTransformToDisplayInverse(false) {
-    mCrop.makeInvalid();
-}
-
-size_t IGonkGraphicBufferConsumer::BufferItem::getPodSize() const {
-    size_t c =  sizeof(mCrop) +
-            sizeof(mTransform) +
-            sizeof(mScalingMode) +
-            sizeof(mTimestamp) +
-            sizeof(mIsAutoTimestamp) +
-            sizeof(mFrameNumber) +
-            sizeof(mBuf) +
-            sizeof(mIsDroppable) +
-            sizeof(mAcquireCalled) +
-            sizeof(mTransformToDisplayInverse);
-    return c;
-}
-
-size_t IGonkGraphicBufferConsumer::BufferItem::getFlattenedSize() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
-    }
-    if (mFence != 0) {
-        c += mFence->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
-    }
-    return sizeof(int32_t) + c + getPodSize();
-}
-
-size_t IGonkGraphicBufferConsumer::BufferItem::getFdCount() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFdCount();
-    }
-    if (mFence != 0) {
-        c += mFence->getFdCount();
-    }
-    return c;
-}
-
-status_t IGonkGraphicBufferConsumer::BufferItem::flatten(
-        void*& buffer, size_t& size, int*& fds, size_t& count) const {
-
-    // make sure we have enough space
-    if (count < BufferItem::getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-
-    // content flags are stored first
-    uint32_t& flags = *static_cast<uint32_t*>(buffer);
-
-    // advance the pointer
-    FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
-
-    flags = 0;
-    if (mGraphicBuffer != 0) {
-        status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 1;
-    }
-    if (mFence != 0) {
-        status_t err = mFence->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 2;
-    }
-
-    // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::write(buffer, size, mCrop);
-    FlattenableUtils::write(buffer, size, mTransform);
-    FlattenableUtils::write(buffer, size, mScalingMode);
-    FlattenableUtils::write(buffer, size, mTimestamp);
-    FlattenableUtils::write(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::write(buffer, size, mFrameNumber);
-    FlattenableUtils::write(buffer, size, mBuf);
-    FlattenableUtils::write(buffer, size, mIsDroppable);
-    FlattenableUtils::write(buffer, size, mAcquireCalled);
-    FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-status_t IGonkGraphicBufferConsumer::BufferItem::unflatten(
-        void const*& buffer, size_t& size, int const*& fds, size_t& count) {
-
-    if (size < sizeof(uint32_t))
-        return NO_MEMORY;
-
-    uint32_t flags = 0;
-    FlattenableUtils::read(buffer, size, flags);
-
-    if (flags & 1) {
-        mGraphicBuffer = new GraphicBuffer();
-        status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    if (flags & 2) {
-        mFence = new Fence();
-        status_t err = mFence->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    // check we have enough space
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::read(buffer, size, mCrop);
-    FlattenableUtils::read(buffer, size, mTransform);
-    FlattenableUtils::read(buffer, size, mScalingMode);
-    FlattenableUtils::read(buffer, size, mTimestamp);
-    FlattenableUtils::read(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::read(buffer, size, mFrameNumber);
-    FlattenableUtils::read(buffer, size, mBuf);
-    FlattenableUtils::read(buffer, size, mIsDroppable);
-    FlattenableUtils::read(buffer, size, mAcquireCalled);
-    FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-// ---------------------------------------------------------------------------
-
-enum {
-    ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
-    RELEASE_BUFFER,
-    CONSUMER_CONNECT,
-    CONSUMER_DISCONNECT,
-    GET_RELEASED_BUFFERS,
-    SET_DEFAULT_BUFFER_SIZE,
-    SET_DEFAULT_MAX_BUFFER_COUNT,
-    DISABLE_ASYNC_BUFFER,
-    SET_MAX_ACQUIRED_BUFFER_COUNT,
-    SET_CONSUMER_NAME,
-    SET_DEFAULT_BUFFER_FORMAT,
-    SET_CONSUMER_USAGE_BITS,
-    SET_TRANSFORM_HINT,
-    DUMP,
-};
-
-class BpGonkGraphicBufferConsumer : public BpInterface<IGonkGraphicBufferConsumer>
-{
-public:
-    BpGonkGraphicBufferConsumer(const sp<IBinder>& impl)
-        : BpInterface<IGonkGraphicBufferConsumer>(impl)
-    {
-    }
-
-    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt64(presentWhen);
-        status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.read(*buffer);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t releaseBuffer(int buf, uint64_t frameNumber,
-            const sp<Fence>& releaseFence) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(buf);
-        data.writeInt64(frameNumber);
-        data.write(*releaseFence);
-        status_t result = remote()->transact(RELEASE_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeStrongBinder(consumer->asBinder());
-        data.writeInt32(controlledByApp);
-        status_t result = remote()->transact(CONSUMER_CONNECT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t consumerDisconnect() {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        status_t result = remote()->transact(CONSUMER_DISCONNECT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t getReleasedBuffers(uint32_t* slotMask) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        status_t result = remote()->transact(GET_RELEASED_BUFFERS, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        *slotMask = reply.readInt32();
-        return reply.readInt32();
-    }
-
-    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(w);
-        data.writeInt32(h);
-        status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setDefaultMaxBufferCount(int bufferCount) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(bufferCount);
-        status_t result = remote()->transact(SET_DEFAULT_MAX_BUFFER_COUNT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t disableAsyncBuffer() {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        status_t result = remote()->transact(DISABLE_ASYNC_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(maxAcquiredBuffers);
-        status_t result = remote()->transact(SET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual void setConsumerName(const String8& name) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeString8(name);
-        remote()->transact(SET_CONSUMER_NAME, data, &reply);
-    }
-
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(defaultFormat);
-        status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setConsumerUsageBits(uint32_t usage) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(usage);
-        status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setTransformHint(uint32_t hint) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(hint);
-        status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual void dumpToString(String8& result, const char* prefix) const {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeString8(result);
-        data.writeString8(String8(prefix ? prefix : ""));
-        remote()->transact(DUMP, data, &reply);
-        reply.readString8();
-    }
-};
-
-IMPLEMENT_META_INTERFACE(GonkGraphicBufferConsumer, "android.gui.IGonkGraphicBufferConsumer");
-// ----------------------------------------------------------------------
-
-status_t BnGonkGraphicBufferConsumer::onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    switch(code) {
-        case ACQUIRE_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            BufferItem item;
-            int64_t presentWhen = data.readInt64();
-            status_t result = acquireBuffer(&item, presentWhen);
-            status_t err = reply->write(item);
-            if (err) return err;
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case RELEASE_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            int buf = data.readInt32();
-            uint64_t frameNumber = data.readInt64();
-            sp<Fence> releaseFence = new Fence();
-            status_t err = data.read(*releaseFence);
-            if (err) return err;
-            status_t result = releaseBuffer(buf, frameNumber, releaseFence);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-
-        case CONSUMER_CONNECT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            sp<IConsumerListener> consumer = IConsumerListener::asInterface( data.readStrongBinder() );
-            bool controlledByApp = data.readInt32();
-            status_t result = consumerConnect(consumer, controlledByApp);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-
-        case CONSUMER_DISCONNECT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            status_t result = consumerDisconnect();
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case GET_RELEASED_BUFFERS: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t slotMask;
-            status_t result = getReleasedBuffers(&slotMask);
-            reply->writeInt32(slotMask);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_DEFAULT_BUFFER_SIZE: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t w = data.readInt32();
-            uint32_t h = data.readInt32();
-            status_t result = setDefaultBufferSize(w, h);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_DEFAULT_MAX_BUFFER_COUNT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t bufferCount = data.readInt32();
-            status_t result = setDefaultMaxBufferCount(bufferCount);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case DISABLE_ASYNC_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            status_t result = disableAsyncBuffer();
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_MAX_ACQUIRED_BUFFER_COUNT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t maxAcquiredBuffers = data.readInt32();
-            status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_CONSUMER_NAME: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            setConsumerName( data.readString8() );
-            return NO_ERROR;
-        } break;
-        case SET_DEFAULT_BUFFER_FORMAT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t defaultFormat = data.readInt32();
-            status_t result = setDefaultBufferFormat(defaultFormat);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_CONSUMER_USAGE_BITS: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t usage = data.readInt32();
-            status_t result = setConsumerUsageBits(usage);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_TRANSFORM_HINT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t hint = data.readInt32();
-            status_t result = setTransformHint(hint);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-
-        case DUMP: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            String8 result = data.readString8();
-            String8 prefix = data.readString8();
-            static_cast<IGonkGraphicBufferConsumer*>(this)->dumpToString(result, prefix);
-            reply->writeString8(result);
-            return NO_ERROR;
-        }
-    }
-    return BBinder::onTransact(code, data, reply, flags);
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerKK.h b/widget/gonk/nativewindow/IGonkGraphicBufferConsumerKK.h
deleted file mode 100644
index ce51e1ef2..000000000
--- a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerKK.h
+++ /dev/null
@@ -1,228 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_IGONKGRAPHICBUFFERCONSUMER_KK_H
-#define NATIVEWINDOW_IGONKGRAPHICBUFFERCONSUMER_KK_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/RefBase.h>
-#include <utils/Timers.h>
-
-#include <binder/IInterface.h>
-#include <ui/Rect.h>
-
-#include "mozilla/Types.h"
-#include "mozilla/layers/LayersSurfaces.h"
-
-namespace mozilla {
-
-namespace layers {
-class TextureClient;
-}
-}
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class MOZ_EXPORT IConsumerListener;
-class MOZ_EXPORT GraphicBuffer;
-class MOZ_EXPORT Fence;
-
-class IGonkGraphicBufferConsumer : public IInterface {
-    typedef mozilla::layers::TextureClient TextureClient;
-public:
-
-    // public facing structure for BufferSlot
-    class BufferItem : public Flattenable<BufferItem> {
-        friend class Flattenable<BufferItem>;
-        size_t getPodSize() const;
-        size_t getFlattenedSize() const;
-        size_t getFdCount() const;
-        status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
-        status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
-
-    public:
-        enum { INVALID_BUFFER_SLOT = -1 };
-        BufferItem();
-
-        // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
-        // if the buffer in this slot has been acquired in the past (see
-        // BufferSlot.mAcquireCalled).
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mFence is a fence that will signal when the buffer is idle.
-        sp<Fence> mFence;
-
-        // mCrop is the current crop rectangle for this buffer slot.
-        Rect mCrop;
-
-        // mTransform is the current transform flags for this buffer slot.
-        uint32_t mTransform;
-
-        // mScalingMode is the current scaling mode for this buffer slot.
-        uint32_t mScalingMode;
-
-        // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued.
-        int64_t mTimestamp;
-
-        // mIsAutoTimestamp indicates whether mTimestamp was generated
-        // automatically when the buffer was queued.
-        bool mIsAutoTimestamp;
-
-        // mFrameNumber is the number of the queued frame for this slot.
-        uint64_t mFrameNumber;
-
-        // mBuf is the slot index of this buffer
-        int mBuf;
-
-        // mIsDroppable whether this buffer was queued with the
-        // property that it can be replaced by a new buffer for the purpose of
-        // making sure dequeueBuffer() won't block.
-        // i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
-        // was queued.
-        bool mIsDroppable;
-
-        // Indicates whether this buffer has been seen by a consumer yet
-        bool mAcquireCalled;
-
-        // Indicates this buffer must be transformed by the inverse transform of the screen
-        // it is displayed onto. This is applied after mTransform.
-        bool mTransformToDisplayInverse;
-    };
-
-
-    // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the BufferQueue.  If no buffer is pending then it returns -EINVAL.  If a
-    // buffer is successfully acquired, the information about the buffer is
-    // returned in BufferItem.  If the buffer returned had previously been
-    // acquired then the BufferItem::mGraphicBuffer field of buffer is set to
-    // NULL and it is assumed that the consumer still holds a reference to the
-    // buffer.
-    //
-    // If presentWhen is nonzero, it indicates the time when the buffer will
-    // be displayed on screen.  If the buffer's timestamp is farther in the
-    // future, the buffer won't be acquired, and PRESENT_LATER will be
-    // returned.  The presentation time is in nanoseconds, and the time base
-    // is CLOCK_MONOTONIC.
-    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) = 0;
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // BufferQueue.  This may be done while the buffer's contents are still
-    // being accessed.  The fence will signal when the buffer is no longer
-    // in use. frameNumber is used to indentify the exact buffer returned.
-    //
-    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
-    // any references to the just-released buffer that it might have, as if it
-    // had received a onBuffersReleased() call with a mask set for the released
-    // buffer.
-    //
-    // Note that the dependencies on EGL will be removed once we switch to using
-    // the Android HW Sync HAL.
-    virtual status_t releaseBuffer(int buf, uint64_t frameNumber, const sp<Fence>& releaseFence) = 0;
-
-    // consumerConnect connects a consumer to the BufferQueue.  Only one
-    // consumer may be connected, and when that consumer disconnects the
-    // BufferQueue is placed into the "abandoned" state, causing most
-    // interactions with the BufferQueue by the producer to fail.
-    // controlledByApp indicates whether the consumer is controlled by
-    // the application.
-    //
-    // consumer may not be NULL.
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) = 0;
-
-    // consumerDisconnect disconnects a consumer from the BufferQueue. All
-    // buffers will be freed and the BufferQueue is placed in the "abandoned"
-    // state, causing most interactions with the BufferQueue by the producer to
-    // fail.
-    virtual status_t consumerDisconnect() = 0;
-
-    // getReleasedBuffers sets the value pointed to by slotMask to a bit mask
-    // indicating which buffer slots have been released by the BufferQueue
-    // but have not yet been released by the consumer.
-    //
-    // This should be called from the onBuffersReleased() callback.
-    virtual status_t getReleasedBuffers(uint32_t* slotMask) = 0;
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // dequeueBuffer when a width and height of zero is requested.  Default
-    // is 1x1.
-    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) = 0;
-
-    // setDefaultMaxBufferCount sets the default value for the maximum buffer
-    // count (the initial default is 2). If the producer has requested a
-    // buffer count using setBufferCount, the default buffer count will only
-    // take effect if the producer sets the count back to zero.
-    //
-    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    virtual status_t setDefaultMaxBufferCount(int bufferCount) = 0;
-
-    // disableAsyncBuffer disables the extra buffer used in async mode
-    // (when both producer and consumer have set their "isControlledByApp"
-    // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
-    //
-    // This can only be called before consumerConnect().
-    virtual status_t disableAsyncBuffer() = 0;
-
-    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
-    // be acquired by the consumer at one time (default 1).  This call will
-    // fail if a producer is connected to the BufferQueue.
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) = 0;
-
-    // setConsumerName sets the name used in logging
-    virtual void setConsumerName(const String8& name) = 0;
-
-    // setDefaultBufferFormat allows the BufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) = 0;
-
-    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
-    // These are merged with the bits passed to dequeueBuffer.  The values are
-    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    virtual status_t setConsumerUsageBits(uint32_t usage) = 0;
-
-    // setTransformHint bakes in rotation to buffers so overlays can be used.
-    // The values are enumerated in window.h, e.g.
-    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    virtual status_t setTransformHint(uint32_t hint) = 0;
-
-    // dump state into a string
-    virtual void dumpToString(String8& result, const char* prefix) const = 0;
-
-public:
-    DECLARE_META_INTERFACE(GonkGraphicBufferConsumer);
-};
-
-// ----------------------------------------------------------------------------
-
-class BnGonkGraphicBufferConsumer : public BnInterface<IGonkGraphicBufferConsumer>
-{
-public:
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_GUI_IGRAPHICBUFFERCONSUMER_H
diff --git a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerLL.cpp b/widget/gonk/nativewindow/IGonkGraphicBufferConsumerLL.cpp
deleted file mode 100644
index 729ed6736..000000000
--- a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerLL.cpp
+++ /dev/null
@@ -1,565 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/NativeHandle.h>
-
-#include <binder/Parcel.h>
-#include <binder/IInterface.h>
-
-#include <gui/IConsumerListener.h>
-#include "IGonkGraphicBufferConsumerLL.h"
-
-#include <ui/GraphicBuffer.h>
-#include <ui/Fence.h>
-
-#include <system/window.h>
-
-#include "mozilla/layers/TextureClient.h"
-
-namespace android {
-// ---------------------------------------------------------------------------
-
-IGonkGraphicBufferConsumer::BufferItem::BufferItem() :
-    mTransform(0),
-    mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-    mTimestamp(0),
-    mIsAutoTimestamp(false),
-    mFrameNumber(0),
-    mBuf(INVALID_BUFFER_SLOT),
-    mIsDroppable(false),
-    mAcquireCalled(false),
-    mTransformToDisplayInverse(false) {
-    mCrop.makeInvalid();
-}
-
-size_t IGonkGraphicBufferConsumer::BufferItem::getPodSize() const {
-    size_t c =  sizeof(mCrop) +
-            sizeof(mTransform) +
-            sizeof(mScalingMode) +
-            sizeof(mTimestamp) +
-            sizeof(mIsAutoTimestamp) +
-            sizeof(mFrameNumber) +
-            sizeof(mBuf) +
-            sizeof(mIsDroppable) +
-            sizeof(mAcquireCalled) +
-            sizeof(mTransformToDisplayInverse);
-    return c;
-}
-
-size_t IGonkGraphicBufferConsumer::BufferItem::getFlattenedSize() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFlattenedSize();
-        c = FlattenableUtils::align<4>(c);
-    }
-    if (mFence != 0) {
-        c += mFence->getFlattenedSize();
-        c = FlattenableUtils::align<4>(c);
-    }
-    return sizeof(int32_t) + c + getPodSize();
-}
-
-size_t IGonkGraphicBufferConsumer::BufferItem::getFdCount() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFdCount();
-    }
-    if (mFence != 0) {
-        c += mFence->getFdCount();
-    }
-    return c;
-}
-
-static void writeBoolAsInt(void*& buffer, size_t& size, bool b) {
-    FlattenableUtils::write(buffer, size, static_cast<int32_t>(b));
-}
-
-static bool readBoolFromInt(void const*& buffer, size_t& size) {
-    int32_t i;
-    FlattenableUtils::read(buffer, size, i);
-    return static_cast<bool>(i);
-}
-
-status_t IGonkGraphicBufferConsumer::BufferItem::flatten(
-        void*& buffer, size_t& size, int*& fds, size_t& count) const {
-
-    // make sure we have enough space
-    if (size < BufferItem::getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-
-    // content flags are stored first
-    uint32_t& flags = *static_cast<uint32_t*>(buffer);
-
-    // advance the pointer
-    FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
-
-    flags = 0;
-    if (mGraphicBuffer != 0) {
-        status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 1;
-    }
-    if (mFence != 0) {
-        status_t err = mFence->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 2;
-    }
-
-    // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::write(buffer, size, mCrop);
-    FlattenableUtils::write(buffer, size, mTransform);
-    FlattenableUtils::write(buffer, size, mScalingMode);
-    FlattenableUtils::write(buffer, size, mTimestamp);
-    writeBoolAsInt(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::write(buffer, size, mFrameNumber);
-    FlattenableUtils::write(buffer, size, mBuf);
-    writeBoolAsInt(buffer, size, mIsDroppable);
-    writeBoolAsInt(buffer, size, mAcquireCalled);
-    writeBoolAsInt(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-status_t IGonkGraphicBufferConsumer::BufferItem::unflatten(
-        void const*& buffer, size_t& size, int const*& fds, size_t& count) {
-
-    if (size < sizeof(uint32_t))
-        return NO_MEMORY;
-
-    uint32_t flags = 0;
-    FlattenableUtils::read(buffer, size, flags);
-
-    if (flags & 1) {
-        mGraphicBuffer = new GraphicBuffer();
-        status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    if (flags & 2) {
-        mFence = new Fence();
-        status_t err = mFence->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    // check we have enough space
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::read(buffer, size, mCrop);
-    FlattenableUtils::read(buffer, size, mTransform);
-    FlattenableUtils::read(buffer, size, mScalingMode);
-    FlattenableUtils::read(buffer, size, mTimestamp);
-    mIsAutoTimestamp = readBoolFromInt(buffer, size);
-    FlattenableUtils::read(buffer, size, mFrameNumber);
-    FlattenableUtils::read(buffer, size, mBuf);
-    mIsDroppable = readBoolFromInt(buffer, size);
-    mAcquireCalled = readBoolFromInt(buffer, size);
-    mTransformToDisplayInverse = readBoolFromInt(buffer, size);
-
-    return NO_ERROR;
-}
-
-// ---------------------------------------------------------------------------
-
-enum {
-    ACQUIRE_BUFFER = IBinder::FIRST_CALL_TRANSACTION,
-    DETACH_BUFFER,
-    ATTACH_BUFFER,
-    RELEASE_BUFFER,
-    CONSUMER_CONNECT,
-    CONSUMER_DISCONNECT,
-    GET_RELEASED_BUFFERS,
-    SET_DEFAULT_BUFFER_SIZE,
-    SET_DEFAULT_MAX_BUFFER_COUNT,
-    DISABLE_ASYNC_BUFFER,
-    SET_MAX_ACQUIRED_BUFFER_COUNT,
-    SET_CONSUMER_NAME,
-    SET_DEFAULT_BUFFER_FORMAT,
-    SET_CONSUMER_USAGE_BITS,
-    SET_TRANSFORM_HINT,
-    GET_SIDEBAND_STREAM,
-    DUMP,
-};
-
-
-class BpGonkGraphicBufferConsumer : public BpInterface<IGonkGraphicBufferConsumer>
-{
-public:
-    BpGonkGraphicBufferConsumer(const sp<IBinder>& impl)
-        : BpInterface<IGonkGraphicBufferConsumer>(impl)
-    {
-    }
-
-    virtual status_t acquireBuffer(BufferItem *buffer, nsecs_t presentWhen) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt64(presentWhen);
-        status_t result = remote()->transact(ACQUIRE_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.read(*buffer);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t detachBuffer(int slot) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(slot);
-        status_t result = remote()->transact(DETACH_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        result = reply.readInt32();
-        return result;
-    }
-
-    virtual status_t attachBuffer(int* slot, const sp<GraphicBuffer>& buffer) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.write(*buffer.get());
-        status_t result = remote()->transact(ATTACH_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        *slot = reply.readInt32();
-        result = reply.readInt32();
-        return result;
-    }
-
-    virtual status_t releaseBuffer(int buf, uint64_t frameNumber, const sp<Fence>& releaseFence) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(buf);
-        data.writeInt64(frameNumber);
-        data.write(*releaseFence);
-        status_t result = remote()->transact(RELEASE_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeStrongBinder(consumer->asBinder());
-        data.writeInt32(controlledByApp);
-        status_t result = remote()->transact(CONSUMER_CONNECT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t consumerDisconnect() {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        status_t result = remote()->transact(CONSUMER_DISCONNECT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t getReleasedBuffers(uint64_t* slotMask) {
-        Parcel data, reply;
-        if (slotMask == NULL) {
-            ALOGE("getReleasedBuffers: slotMask must not be NULL");
-            return BAD_VALUE;
-        }
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        status_t result = remote()->transact(GET_RELEASED_BUFFERS, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        *slotMask = reply.readInt64();
-        return reply.readInt32();
-    }
-
-    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(w);
-        data.writeInt32(h);
-        status_t result = remote()->transact(SET_DEFAULT_BUFFER_SIZE, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setDefaultMaxBufferCount(int bufferCount) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(bufferCount);
-        status_t result = remote()->transact(SET_DEFAULT_MAX_BUFFER_COUNT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t disableAsyncBuffer() {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        status_t result = remote()->transact(DISABLE_ASYNC_BUFFER, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(maxAcquiredBuffers);
-        status_t result = remote()->transact(SET_MAX_ACQUIRED_BUFFER_COUNT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual void setConsumerName(const String8& name) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeString8(name);
-        remote()->transact(SET_CONSUMER_NAME, data, &reply);
-    }
-
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(defaultFormat);
-        status_t result = remote()->transact(SET_DEFAULT_BUFFER_FORMAT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setConsumerUsageBits(uint32_t usage) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(usage);
-        status_t result = remote()->transact(SET_CONSUMER_USAGE_BITS, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual status_t setTransformHint(uint32_t hint) {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeInt32(hint);
-        status_t result = remote()->transact(SET_TRANSFORM_HINT, data, &reply);
-        if (result != NO_ERROR) {
-            return result;
-        }
-        return reply.readInt32();
-    }
-
-    virtual sp<NativeHandle> getSidebandStream() const {
-        Parcel data, reply;
-        status_t err;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        if ((err = remote()->transact(GET_SIDEBAND_STREAM, data, &reply)) != NO_ERROR) {
-            return NULL;
-        }
-        sp<NativeHandle> stream;
-        if (reply.readInt32()) {
-            stream = NativeHandle::create(reply.readNativeHandle(), true);
-        }
-        return stream;
-    }
-
-    virtual void dumpToString(String8& result, const char* prefix) const {
-        Parcel data, reply;
-        data.writeInterfaceToken(IGonkGraphicBufferConsumer::getInterfaceDescriptor());
-        data.writeString8(result);
-        data.writeString8(String8(prefix ? prefix : ""));
-        remote()->transact(DUMP, data, &reply);
-        reply.readString8();
-    }
-
-    // Added by mozilla
-    virtual already_AddRefed<mozilla::layers::TextureClient>
-    getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
-    {
-        return nullptr;
-    }
-
-    virtual int
-    getSlotFromTextureClientLocked(mozilla::layers::TextureClient* client) const
-    {
-        return BAD_VALUE;
-    }
-};
-
-IMPLEMENT_META_INTERFACE(GonkGraphicBufferConsumer, "android.gui.IGonkGraphicBufferConsumer");
-
-// ----------------------------------------------------------------------
-
-status_t BnGonkGraphicBufferConsumer::onTransact(
-        uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
-{
-    switch(code) {
-        case ACQUIRE_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            BufferItem item;
-            int64_t presentWhen = data.readInt64();
-            status_t result = acquireBuffer(&item, presentWhen);
-            status_t err = reply->write(item);
-            if (err) return err;
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case DETACH_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            int slot = data.readInt32();
-            int result = detachBuffer(slot);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case ATTACH_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            sp<GraphicBuffer> buffer = new GraphicBuffer();
-            data.read(*buffer.get());
-            int slot;
-            int result = attachBuffer(&slot, buffer);
-            reply->writeInt32(slot);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case RELEASE_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            int buf = data.readInt32();
-            uint64_t frameNumber = data.readInt64();
-            sp<Fence> releaseFence = new Fence();
-            status_t err = data.read(*releaseFence);
-            if (err) return err;
-            status_t result = releaseBuffer(buf, frameNumber, releaseFence);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case CONSUMER_CONNECT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            sp<IConsumerListener> consumer = IConsumerListener::asInterface( data.readStrongBinder() );
-            bool controlledByApp = data.readInt32();
-            status_t result = consumerConnect(consumer, controlledByApp);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case CONSUMER_DISCONNECT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            status_t result = consumerDisconnect();
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case GET_RELEASED_BUFFERS: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint64_t slotMask;
-            status_t result = getReleasedBuffers(&slotMask);
-            reply->writeInt64(slotMask);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_DEFAULT_BUFFER_SIZE: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t w = data.readInt32();
-            uint32_t h = data.readInt32();
-            status_t result = setDefaultBufferSize(w, h);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_DEFAULT_MAX_BUFFER_COUNT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t bufferCount = data.readInt32();
-            status_t result = setDefaultMaxBufferCount(bufferCount);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case DISABLE_ASYNC_BUFFER: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            status_t result = disableAsyncBuffer();
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_MAX_ACQUIRED_BUFFER_COUNT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t maxAcquiredBuffers = data.readInt32();
-            status_t result = setMaxAcquiredBufferCount(maxAcquiredBuffers);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_CONSUMER_NAME: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            setConsumerName( data.readString8() );
-            return NO_ERROR;
-        } break;
-        case SET_DEFAULT_BUFFER_FORMAT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t defaultFormat = data.readInt32();
-            status_t result = setDefaultBufferFormat(defaultFormat);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_CONSUMER_USAGE_BITS: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t usage = data.readInt32();
-            status_t result = setConsumerUsageBits(usage);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case SET_TRANSFORM_HINT: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            uint32_t hint = data.readInt32();
-            status_t result = setTransformHint(hint);
-            reply->writeInt32(result);
-            return NO_ERROR;
-        } break;
-        case DUMP: {
-            CHECK_INTERFACE(IGonkGraphicBufferConsumer, data, reply);
-            String8 result = data.readString8();
-            String8 prefix = data.readString8();
-            static_cast<IGonkGraphicBufferConsumer*>(this)->dumpToString(result, prefix);
-            reply->writeString8(result);
-            return NO_ERROR;
-        }
-    }
-    return BBinder::onTransact(code, data, reply, flags);
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerLL.h b/widget/gonk/nativewindow/IGonkGraphicBufferConsumerLL.h
deleted file mode 100644
index 8a93a0849..000000000
--- a/widget/gonk/nativewindow/IGonkGraphicBufferConsumerLL.h
+++ /dev/null
@@ -1,337 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_IGONKGRAPHICBUFFERCONSUMER_LL_H
-#define NATIVEWINDOW_IGONKGRAPHICBUFFERCONSUMER_LL_H
-
-#include <stdint.h>
-#include <sys/types.h>
-
-#include <utils/Errors.h>
-#include <utils/RefBase.h>
-#include <utils/Timers.h>
-
-#include <binder/IInterface.h>
-#include <ui/Rect.h>
-
-#include "mozilla/RefPtr.h"
-
-class ANativeWindowBuffer;
-
-namespace mozilla {
-namespace layers {
-class TextureClient;
-}
-}
-
-namespace android {
-// ----------------------------------------------------------------------------
-
-class Fence;
-class GraphicBuffer;
-class IConsumerListener;
-class NativeHandle;
-
-class IGonkGraphicBufferConsumer : public IInterface {
-public:
-
-    // public facing structure for BufferSlot
-    class BufferItem : public Flattenable<BufferItem> {
-        friend class Flattenable<BufferItem>;
-        size_t getPodSize() const;
-        size_t getFlattenedSize() const;
-        size_t getFdCount() const;
-        status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
-        status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
-
-    public:
-        // The default value of mBuf, used to indicate this doesn't correspond to a slot.
-        enum { INVALID_BUFFER_SLOT = -1 };
-        BufferItem();
-
-        // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
-        // if the buffer in this slot has been acquired in the past (see
-        // BufferSlot.mAcquireCalled).
-        sp<GraphicBuffer> mGraphicBuffer;
-
-        // mFence is a fence that will signal when the buffer is idle.
-        sp<Fence> mFence;
-
-        // mCrop is the current crop rectangle for this buffer slot.
-        Rect mCrop;
-
-        // mTransform is the current transform flags for this buffer slot.
-        // refer to NATIVE_WINDOW_TRANSFORM_* in <window.h>
-        uint32_t mTransform;
-
-        // mScalingMode is the current scaling mode for this buffer slot.
-        // refer to NATIVE_WINDOW_SCALING_* in <window.h>
-        uint32_t mScalingMode;
-
-        // mTimestamp is the current timestamp for this buffer slot. This gets
-        // to set by queueBuffer each time this slot is queued. This value
-        // is guaranteed to be monotonically increasing for each newly
-        // acquired buffer.
-        int64_t mTimestamp;
-
-        // mIsAutoTimestamp indicates whether mTimestamp was generated
-        // automatically when the buffer was queued.
-        bool mIsAutoTimestamp;
-
-        // mFrameNumber is the number of the queued frame for this slot.
-        uint64_t mFrameNumber;
-
-        // mBuf is the slot index of this buffer (default INVALID_BUFFER_SLOT).
-        int mBuf;
-
-        // mIsDroppable whether this buffer was queued with the
-        // property that it can be replaced by a new buffer for the purpose of
-        // making sure dequeueBuffer() won't block.
-        // i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
-        // was queued.
-        bool mIsDroppable;
-
-        // Indicates whether this buffer has been seen by a consumer yet
-        bool mAcquireCalled;
-
-        // Indicates this buffer must be transformed by the inverse transform of the screen
-        // it is displayed onto. This is applied after mTransform.
-        bool mTransformToDisplayInverse;
-    };
-
-    enum {
-        // Returned by releaseBuffer, after which the consumer must
-        // free any references to the just-released buffer that it might have.
-        STALE_BUFFER_SLOT = 1,
-        // Returned by dequeueBuffer if there are no pending buffers available.
-        NO_BUFFER_AVAILABLE,
-        // Returned by dequeueBuffer if it's too early for the buffer to be acquired.
-        PRESENT_LATER,
-    };
-
-    // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the BufferQueue.  If no buffer is pending then it returns
-    // NO_BUFFER_AVAILABLE.  If a buffer is successfully acquired, the
-    // information about the buffer is returned in BufferItem.
-    //
-    // If the buffer returned had previously been
-    // acquired then the BufferItem::mGraphicBuffer field of buffer is set to
-    // NULL and it is assumed that the consumer still holds a reference to the
-    // buffer.
-    //
-    // If presentWhen is non-zero, it indicates the time when the buffer will
-    // be displayed on screen.  If the buffer's timestamp is farther in the
-    // future, the buffer won't be acquired, and PRESENT_LATER will be
-    // returned.  The presentation time is in nanoseconds, and the time base
-    // is CLOCK_MONOTONIC.
-    //
-    // Return of NO_ERROR means the operation completed as normal.
-    //
-    // Return of a positive value means the operation could not be completed
-    //    at this time, but the user should try again later:
-    // * NO_BUFFER_AVAILABLE - no buffer is pending (nothing queued by producer)
-    // * PRESENT_LATER - the buffer's timestamp is farther in the future
-    //
-    // Return of a negative value means an error has occurred:
-    // * INVALID_OPERATION - too many buffers have been acquired
-    virtual status_t acquireBuffer(BufferItem* buffer, nsecs_t presentWhen) = 0;
-
-    // detachBuffer attempts to remove all ownership of the buffer in the given
-    // slot from the buffer queue. If this call succeeds, the slot will be
-    // freed, and there will be no way to obtain the buffer from this interface.
-    // The freed slot will remain unallocated until either it is selected to
-    // hold a freshly allocated buffer in dequeueBuffer or a buffer is attached
-    // to the slot. The buffer must have already been acquired.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * BAD_VALUE - the given slot number is invalid, either because it is
-    //               out of the range [0, NUM_BUFFER_SLOTS) or because the slot
-    //               it refers to is not currently acquired.
-    virtual status_t detachBuffer(int slot) = 0;
-
-    // attachBuffer attempts to transfer ownership of a buffer to the buffer
-    // queue. If this call succeeds, it will be as if this buffer was acquired
-    // from the returned slot number. As such, this call will fail if attaching
-    // this buffer would cause too many buffers to be simultaneously acquired.
-    //
-    // If the buffer is successfully attached, its frameNumber is initialized
-    // to 0. This must be passed into the releaseBuffer call or else the buffer
-    // will be deallocated as stale.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * BAD_VALUE - outSlot or buffer were NULL
-    // * INVALID_OPERATION - cannot attach the buffer because it would cause too
-    //                       many buffers to be acquired.
-    // * NO_MEMORY - no free slots available
-    virtual status_t attachBuffer(int *outSlot,
-            const sp<GraphicBuffer>& buffer) = 0;
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // BufferQueue.  This may be done while the buffer's contents are still
-    // being accessed.  The fence will signal when the buffer is no longer
-    // in use. frameNumber is used to indentify the exact buffer returned.
-    //
-    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
-    // any references to the just-released buffer that it might have, as if it
-    // had received a onBuffersReleased() call with a mask set for the released
-    // buffer.
-    //
-    // Note that the dependencies on EGL will be removed once we switch to using
-    // the Android HW Sync HAL.
-    //
-    // Return of NO_ERROR means the operation completed as normal.
-    //
-    // Return of a positive value means the operation could not be completed
-    //    at this time, but the user should try again later:
-    // * STALE_BUFFER_SLOT - see above (second paragraph)
-    //
-    // Return of a negative value means an error has occurred:
-    // * BAD_VALUE - one of the following could've happened:
-    //               * the buffer slot was invalid
-    //               * the fence was NULL
-    //               * the buffer slot specified is not in the acquired state
-    virtual status_t releaseBuffer(int buf, uint64_t frameNumber, const sp<Fence>& releaseFence) = 0;
-
-    // consumerConnect connects a consumer to the BufferQueue.  Only one
-    // consumer may be connected, and when that consumer disconnects the
-    // BufferQueue is placed into the "abandoned" state, causing most
-    // interactions with the BufferQueue by the producer to fail.
-    // controlledByApp indicates whether the consumer is controlled by
-    // the application.
-    //
-    // consumer may not be NULL.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * NO_INIT - the buffer queue has been abandoned
-    // * BAD_VALUE - a NULL consumer was provided
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer, bool controlledByApp) = 0;
-
-    // consumerDisconnect disconnects a consumer from the BufferQueue. All
-    // buffers will be freed and the BufferQueue is placed in the "abandoned"
-    // state, causing most interactions with the BufferQueue by the producer to
-    // fail.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * BAD_VALUE - no consumer is currently connected
-    virtual status_t consumerDisconnect() = 0;
-
-    // getReleasedBuffers sets the value pointed to by slotMask to a bit set.
-    // Each bit index with a 1 corresponds to a released buffer slot with that
-    // index value.  In particular, a released buffer is one that has
-    // been released by the BufferQueue but have not yet been released by the consumer.
-    //
-    // This should be called from the onBuffersReleased() callback.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * NO_INIT - the buffer queue has been abandoned.
-    virtual status_t getReleasedBuffers(uint64_t* slotMask) = 0;
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // dequeueBuffer when a width and height of zero is requested.  Default
-    // is 1x1.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * BAD_VALUE - either w or h was zero
-    virtual status_t setDefaultBufferSize(uint32_t w, uint32_t h) = 0;
-
-    // setDefaultMaxBufferCount sets the default value for the maximum buffer
-    // count (the initial default is 2). If the producer has requested a
-    // buffer count using setBufferCount, the default buffer count will only
-    // take effect if the producer sets the count back to zero.
-    //
-    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * BAD_VALUE - bufferCount was out of range (see above).
-    virtual status_t setDefaultMaxBufferCount(int bufferCount) = 0;
-
-    // disableAsyncBuffer disables the extra buffer used in async mode
-    // (when both producer and consumer have set their "isControlledByApp"
-    // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
-    //
-    // This can only be called before consumerConnect().
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * INVALID_OPERATION - attempting to call this after consumerConnect.
-    virtual status_t disableAsyncBuffer() = 0;
-
-    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
-    // be acquired by the consumer at one time (default 1).  This call will
-    // fail if a producer is connected to the BufferQueue.
-    //
-    // maxAcquiredBuffers must be (inclusive) between 1 and MAX_MAX_ACQUIRED_BUFFERS.
-    //
-    // Return of a value other than NO_ERROR means an error has occurred:
-    // * BAD_VALUE - maxAcquiredBuffers was out of range (see above).
-    // * INVALID_OPERATION - attempting to call this after a producer connected.
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers) = 0;
-
-    // setConsumerName sets the name used in logging
-    virtual void setConsumerName(const String8& name) = 0;
-
-    // setDefaultBufferFormat allows the BufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    //
-    // Return of a value other than NO_ERROR means an unknown error has occurred.
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat) = 0;
-
-    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
-    // These are merged with the bits passed to dequeueBuffer.  The values are
-    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    //
-    // Return of a value other than NO_ERROR means an unknown error has occurred.
-    virtual status_t setConsumerUsageBits(uint32_t usage) = 0;
-
-    // setTransformHint bakes in rotation to buffers so overlays can be used.
-    // The values are enumerated in window.h, e.g.
-    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    //
-    // Return of a value other than NO_ERROR means an unknown error has occurred.
-    virtual status_t setTransformHint(uint32_t hint) = 0;
-
-    // Retrieve the sideband buffer stream, if any.
-    virtual sp<NativeHandle> getSidebandStream() const = 0;
-
-    // dump state into a string
-    virtual void dumpToString(String8& result, const char* prefix) const = 0;
-
-    // Added by mozilla
-    virtual already_AddRefed<mozilla::layers::TextureClient>
-        getTextureClientFromBuffer(ANativeWindowBuffer* buffer) = 0;
-
-    virtual int getSlotFromTextureClientLocked(mozilla::layers::TextureClient* client) const = 0;
-
-public:
-    DECLARE_META_INTERFACE(GonkGraphicBufferConsumer);
-};
-
-// ----------------------------------------------------------------------------
-
-class BnGonkGraphicBufferConsumer : public BnInterface<IGonkGraphicBufferConsumer>
-{
-public:
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // ANDROID_GUI_IGONKGRAPHICBUFFERCONSUMER_H
diff --git a/widget/gonk/nativewindow/moz.build b/widget/gonk/nativewindow/moz.build
deleted file mode 100644
index fbcee601c..000000000
--- a/widget/gonk/nativewindow/moz.build
+++ /dev/null
@@ -1,104 +0,0 @@
-# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
-# vim: set filetype=python:
-# Copyright 2013 Mozilla Foundation and Mozilla contributors
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-EXPORTS += [
-    'GonkBufferQueue.h',
-    'GonkNativeWindow.h',
-]
-
-if CONFIG['ANDROID_VERSION'] >= '19':
-    EXPORTS += [
-        'IGonkGraphicBufferConsumer.h',
-    ]
-
-if CONFIG['ANDROID_VERSION'] >= '21':
-    EXPORTS += [
-        'GonkBufferQueueLL/GonkBufferQueueDefs.h',
-        'GonkBufferQueueLL/GonkBufferQueueLL.h',
-        'GonkBufferQueueLL/GonkBufferQueueProducer.h',
-        'GonkBufferQueueLL/GonkBufferSlot.h',
-        'GonkConsumerBaseLL.h',
-        'GonkNativeWindowLL.h',
-        'IGonkGraphicBufferConsumerLL.h',
-    ]
-elif CONFIG['ANDROID_VERSION'] >= '19':
-    EXPORTS += [
-        'GonkBufferQueueKK.h',
-        'GonkConsumerBaseKK.h',
-        'GonkNativeWindowKK.h',
-        'IGonkGraphicBufferConsumerKK.h',
-    ]
-elif CONFIG['ANDROID_VERSION'] in ('17', '18'):
-    EXPORTS += [
-        'GonkBufferQueueJB.h',
-        'GonkConsumerBaseJB.h',
-        'GonkNativeWindowJB.h',
-    ]
-
-if CONFIG['MOZ_WEBRTC']:
-    if CONFIG['ANDROID_VERSION'] >= '21':
-        SOURCES += [
-            'GonkBufferQueueLL/GonkBufferItem.cpp',
-            'GonkBufferQueueLL/GonkBufferQueueConsumer.cpp',
-            'GonkBufferQueueLL/GonkBufferQueueCore.cpp',
-            'GonkBufferQueueLL/GonkBufferQueueLL.cpp',
-            'GonkBufferQueueLL/GonkBufferQueueProducer.cpp',
-            'GonkBufferQueueLL/GonkBufferSlot.cpp',
-            'GonkConsumerBaseLL.cpp',
-            'GonkNativeWindowLL.cpp',
-            'IGonkGraphicBufferConsumerLL.cpp',
-        ]
-    elif CONFIG['ANDROID_VERSION'] >= '19':
-        SOURCES += [
-            'GonkBufferQueueKK.cpp',
-            'GonkConsumerBaseKK.cpp',
-            'GonkNativeWindowKK.cpp',
-            'IGonkGraphicBufferConsumerKK.cpp',
-        ]
-    elif CONFIG['ANDROID_VERSION'] in ('17', '18'):
-        SOURCES += [
-            'GonkBufferQueueJB.cpp',
-            'GonkConsumerBaseJB.cpp',
-            'GonkNativeWindowJB.cpp',
-        ]
-
-if CONFIG['ANDROID_VERSION'] >= '18':
-    SOURCES += [
-        'FakeSurfaceComposer.cpp',
-    ]
-
-include('/ipc/chromium/chromium-config.mozbuild')
-
-if CONFIG['ANDROID_VERSION'] >= '18':
-    LOCAL_INCLUDES += [
-        '%' + '%s/%s' % (CONFIG['ANDROID_SOURCE'], d) for d in [
-            'frameworks/native/opengl/include',
-        ]
-    ]
-
-DEFINES['HAVE_ANDROID_OS'] = True
-
-# Suppress some GCC warnings being treated as errors:
-#  - about attributes on forward declarations for types that are already
-#    defined, which complains about an important MOZ_EXPORT for android::AString
-if CONFIG['GNU_CC']:
-  CXXFLAGS += ['-Wno-error=attributes', '-Wno-overloaded-virtual']
-
-FINAL_LIBRARY = 'xul'
-
-DISABLE_STL_WRAPPING = True
-
-NO_VISIBILITY_FLAGS = True