Add m-esr52 at 52.6.0

1 files changed, 2819 insertions, 0 deletions

diff --git a/dom/plugins/base/nsNPAPIPlugin.cpp b/dom/plugins/base/nsNPAPIPlugin.cpp
new file mode 100644
index 000000000..1bea269cd
--- /dev/null
+++ b/dom/plugins/base/nsNPAPIPlugin.cpp
@@ -0,0 +1,2819 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "base/basictypes.h"
+
+/* This must occur *after* layers/PLayerTransaction.h to avoid typedefs conflicts. */
+#include "mozilla/ArrayUtils.h"
+
+#include "pratom.h"
+#include "prmem.h"
+#include "prenv.h"
+#include "prclist.h"
+
+#include "jsfriendapi.h"
+
+#include "nsPluginHost.h"
+#include "nsNPAPIPlugin.h"
+#include "nsNPAPIPluginInstance.h"
+#include "nsNPAPIPluginStreamListener.h"
+#include "nsPluginStreamListenerPeer.h"
+#include "nsIServiceManager.h"
+#include "nsThreadUtils.h"
+#include "mozilla/Preferences.h"
+#include "nsPluginInstanceOwner.h"
+
+#include "nsPluginsDir.h"
+#include "nsPluginLogging.h"
+
+#include "nsIDOMElement.h"
+#include "nsPIDOMWindow.h"
+#include "nsGlobalWindow.h"
+#include "nsIDocument.h"
+#include "nsIContent.h"
+#include "nsIIDNService.h"
+#include "nsIScriptGlobalObject.h"
+#include "nsIScriptContext.h"
+#include "nsDOMJSUtils.h"
+#include "nsIPrincipal.h"
+#include "nsWildCard.h"
+#include "nsContentUtils.h"
+#include "mozilla/dom/ScriptSettings.h"
+#include "nsIXULRuntime.h"
+#include "nsIXPConnect.h"
+
+#include "nsIObserverService.h"
+#include <prinrval.h>
+
+#ifdef MOZ_WIDGET_COCOA
+#include <Carbon/Carbon.h>
+#include <ApplicationServices/ApplicationServices.h>
+#include <OpenGL/OpenGL.h>
+#include "nsCocoaFeatures.h"
+#include "PluginUtilsOSX.h"
+#endif
+
+// needed for nppdf plugin
+#if (MOZ_WIDGET_GTK)
+#include <gdk/gdk.h>
+#include <gdk/gdkx.h>
+#if (MOZ_WIDGET_GTK == 2)
+#include "gtk2xtbin.h"
+#endif
+#endif
+
+#include "nsJSUtils.h"
+#include "nsJSNPRuntime.h"
+#include "nsIHttpAuthManager.h"
+#include "nsICookieService.h"
+#include "nsILoadContext.h"
+#include "nsIDocShell.h"
+
+#include "nsNetUtil.h"
+#include "nsNetCID.h"
+
+#include "mozilla/Mutex.h"
+#include "mozilla/PluginLibrary.h"
+using mozilla::PluginLibrary;
+
+#include "mozilla/PluginPRLibrary.h"
+using mozilla::PluginPRLibrary;
+
+#include "mozilla/plugins/PluginModuleParent.h"
+using mozilla::plugins::PluginModuleChromeParent;
+using mozilla::plugins::PluginModuleContentParent;
+
+#ifdef MOZ_X11
+#include "mozilla/X11Util.h"
+#endif
+
+#ifdef XP_WIN
+#include <windows.h>
+#include "mozilla/WindowsVersion.h"
+#ifdef ACCESSIBILITY
+#include "mozilla/a11y/Compatibility.h"
+#endif
+#endif
+
+#ifdef MOZ_WIDGET_ANDROID
+#include <android/log.h>
+#include "android_npapi.h"
+#include "ANPBase.h"
+#include "GeneratedJNIWrappers.h"
+#undef LOG
+#define LOG(args...)  __android_log_print(ANDROID_LOG_INFO, "GeckoPlugins" , ## args)
+#endif
+
+#include "nsIAudioChannelAgent.h"
+#include "AudioChannelService.h"
+
+using namespace mozilla;
+using namespace mozilla::plugins::parent;
+
+// We should make this const...
+static NPNetscapeFuncs sBrowserFuncs = {
+  sizeof(sBrowserFuncs),
+  (NP_VERSION_MAJOR << 8) + NP_VERSION_MINOR,
+  _geturl,
+  _posturl,
+  _requestread,
+  _newstream,
+  _write,
+  _destroystream,
+  _status,
+  _useragent,
+  _memalloc,
+  _memfree,
+  _memflush,
+  _reloadplugins,
+  _getJavaEnv,
+  _getJavaPeer,
+  _geturlnotify,
+  _posturlnotify,
+  _getvalue,
+  _setvalue,
+  _invalidaterect,
+  _invalidateregion,
+  _forceredraw,
+  _getstringidentifier,
+  _getstringidentifiers,
+  _getintidentifier,
+  _identifierisstring,
+  _utf8fromidentifier,
+  _intfromidentifier,
+  _createobject,
+  _retainobject,
+  _releaseobject,
+  _invoke,
+  _invokeDefault,
+  _evaluate,
+  _getproperty,
+  _setproperty,
+  _removeproperty,
+  _hasproperty,
+  _hasmethod,
+  _releasevariantvalue,
+  _setexception,
+  _pushpopupsenabledstate,
+  _poppopupsenabledstate,
+  _enumerate,
+  _pluginthreadasynccall,
+  _construct,
+  _getvalueforurl,
+  _setvalueforurl,
+  _getauthenticationinfo,
+  _scheduletimer,
+  _unscheduletimer,
+  _popupcontextmenu,
+  _convertpoint,
+  nullptr, // handleevent, unimplemented
+  nullptr, // unfocusinstance, unimplemented
+  _urlredirectresponse,
+  _initasyncsurface,
+  _finalizeasyncsurface,
+  _setcurrentasyncsurface
+};
+
+static Mutex *sPluginThreadAsyncCallLock = nullptr;
+static PRCList sPendingAsyncCalls = PR_INIT_STATIC_CLIST(&sPendingAsyncCalls);
+
+// POST/GET stream type
+enum eNPPStreamTypeInternal {
+  eNPPStreamTypeInternal_Get,
+  eNPPStreamTypeInternal_Post
+};
+
+void NS_NotifyBeginPluginCall(NSPluginCallReentry aReentryState)
+{
+  nsNPAPIPluginInstance::BeginPluginCall(aReentryState);
+}
+
+void NS_NotifyPluginCall(NSPluginCallReentry aReentryState)
+{
+  nsNPAPIPluginInstance::EndPluginCall(aReentryState);
+}
+
+static void CheckClassInitialized()
+{
+  static bool initialized = false;
+
+  if (initialized)
+    return;
+
+  if (!sPluginThreadAsyncCallLock)
+    sPluginThreadAsyncCallLock = new Mutex("nsNPAPIPlugin.sPluginThreadAsyncCallLock");
+
+  initialized = true;
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,("NPN callbacks initialized\n"));
+}
+
+nsNPAPIPlugin::nsNPAPIPlugin()
+{
+  memset((void*)&mPluginFuncs, 0, sizeof(mPluginFuncs));
+  mPluginFuncs.size = sizeof(mPluginFuncs);
+  mPluginFuncs.version = (NP_VERSION_MAJOR << 8) | NP_VERSION_MINOR;
+
+  mLibrary = nullptr;
+}
+
+nsNPAPIPlugin::~nsNPAPIPlugin()
+{
+  delete mLibrary;
+  mLibrary = nullptr;
+}
+
+void
+nsNPAPIPlugin::PluginCrashed(const nsAString& pluginDumpID,
+                             const nsAString& browserDumpID)
+{
+  RefPtr<nsPluginHost> host = nsPluginHost::GetInst();
+  host->PluginCrashed(this, pluginDumpID, browserDumpID);
+}
+
+bool
+nsNPAPIPlugin::RunPluginOOP(const nsPluginTag *aPluginTag)
+{
+#ifdef MOZ_WIDGET_ANDROID
+  return false;
+#else
+  return true;
+#endif
+}
+
+inline PluginLibrary*
+GetNewPluginLibrary(nsPluginTag *aPluginTag)
+{
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+
+  if (!aPluginTag) {
+    return nullptr;
+  }
+
+  if (XRE_IsContentProcess()) {
+    return PluginModuleContentParent::LoadModule(aPluginTag->mId, aPluginTag);
+  }
+
+  if (nsNPAPIPlugin::RunPluginOOP(aPluginTag)) {
+    return PluginModuleChromeParent::LoadModule(aPluginTag->mFullPath.get(), aPluginTag->mId, aPluginTag);
+  }
+  return new PluginPRLibrary(aPluginTag->mFullPath.get(), aPluginTag->mLibrary);
+}
+
+// Creates an nsNPAPIPlugin object. One nsNPAPIPlugin object exists per plugin (not instance).
+nsresult
+nsNPAPIPlugin::CreatePlugin(nsPluginTag *aPluginTag, nsNPAPIPlugin** aResult)
+{
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+  *aResult = nullptr;
+
+  if (!aPluginTag) {
+    return NS_ERROR_FAILURE;
+  }
+
+  CheckClassInitialized();
+
+  RefPtr<nsNPAPIPlugin> plugin = new nsNPAPIPlugin();
+
+  PluginLibrary* pluginLib = GetNewPluginLibrary(aPluginTag);
+  if (!pluginLib) {
+    return NS_ERROR_FAILURE;
+  }
+
+#if defined(XP_MACOSX) || defined(MOZ_WIDGET_ANDROID)
+  if (!pluginLib->HasRequiredFunctions()) {
+    NS_WARNING("Not all necessary functions exposed by plugin, it will not load.");
+    delete pluginLib;
+    return NS_ERROR_FAILURE;
+  }
+#endif
+
+  plugin->mLibrary = pluginLib;
+  pluginLib->SetPlugin(plugin);
+
+// Exchange NPAPI entry points.
+#if defined(XP_WIN)
+  // NP_GetEntryPoints must be called before NP_Initialize on Windows.
+  NPError pluginCallError;
+  nsresult rv = pluginLib->NP_GetEntryPoints(&plugin->mPluginFuncs, &pluginCallError);
+  if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
+    return NS_ERROR_FAILURE;
+  }
+
+  // NP_Initialize must be called after NP_GetEntryPoints on Windows.
+  rv = pluginLib->NP_Initialize(&sBrowserFuncs, &pluginCallError);
+  if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
+    return NS_ERROR_FAILURE;
+  }
+#elif defined(XP_MACOSX)
+  // NP_Initialize must be called before NP_GetEntryPoints on Mac OS X.
+  // We need to match WebKit's behavior.
+  NPError pluginCallError;
+  nsresult rv = pluginLib->NP_Initialize(&sBrowserFuncs, &pluginCallError);
+  if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
+    return NS_ERROR_FAILURE;
+  }
+
+  rv = pluginLib->NP_GetEntryPoints(&plugin->mPluginFuncs, &pluginCallError);
+  if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
+    return NS_ERROR_FAILURE;
+  }
+#elif defined(MOZ_WIDGET_GONK)
+#else
+  NPError pluginCallError;
+  nsresult rv = pluginLib->NP_Initialize(&sBrowserFuncs, &plugin->mPluginFuncs, &pluginCallError);
+  if (rv != NS_OK || pluginCallError != NPERR_NO_ERROR) {
+    return NS_ERROR_FAILURE;
+  }
+#endif
+
+  plugin.forget(aResult);
+  return NS_OK;
+}
+
+PluginLibrary*
+nsNPAPIPlugin::GetLibrary()
+{
+  return mLibrary;
+}
+
+NPPluginFuncs*
+nsNPAPIPlugin::PluginFuncs()
+{
+  return &mPluginFuncs;
+}
+
+nsresult
+nsNPAPIPlugin::Shutdown()
+{
+  NPP_PLUGIN_LOG(PLUGIN_LOG_BASIC,
+                 ("NPP Shutdown to be called: this=%p\n", this));
+
+  NPError shutdownError;
+  mLibrary->NP_Shutdown(&shutdownError);
+
+  return NS_OK;
+}
+
+nsresult
+nsNPAPIPlugin::RetainStream(NPStream *pstream, nsISupports **aRetainedPeer)
+{
+  if (!aRetainedPeer)
+    return NS_ERROR_NULL_POINTER;
+
+  *aRetainedPeer = nullptr;
+
+  if (!pstream || !pstream->ndata)
+    return NS_ERROR_NULL_POINTER;
+
+  nsNPAPIStreamWrapper* streamWrapper = static_cast<nsNPAPIStreamWrapper*>(pstream->ndata);
+  nsNPAPIPluginStreamListener* listener = streamWrapper->GetStreamListener();
+  if (!listener) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  nsIStreamListener* streamListener = listener->GetStreamListenerPeer();
+  if (!streamListener) {
+    return NS_ERROR_NULL_POINTER;
+  }
+
+  *aRetainedPeer = streamListener;
+  NS_ADDREF(*aRetainedPeer);
+  return NS_OK;
+}
+
+// Create a new NPP GET or POST (given in the type argument) url
+// stream that may have a notify callback
+NPError
+MakeNewNPAPIStreamInternal(NPP npp, const char *relativeURL, const char *target,
+                          eNPPStreamTypeInternal type,
+                          bool bDoNotify = false,
+                          void *notifyData = nullptr, uint32_t len = 0,
+                          const char *buf = nullptr, NPBool file = false)
+{
+  if (!npp)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  PluginDestructionGuard guard(npp);
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
+  if (!inst || !inst->IsRunning())
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  nsCOMPtr<nsIPluginHost> pluginHostCOM = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID);
+  nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
+  if (!pluginHost) {
+    return NPERR_GENERIC_ERROR;
+  }
+
+  RefPtr<nsNPAPIPluginStreamListener> listener;
+  // Set aCallNotify here to false.  If pluginHost->GetURL or PostURL fail,
+  // the listener's destructor will do the notification while we are about to
+  // return a failure code.
+  // Call SetCallNotify(true) below after we are sure we cannot return a failure
+  // code.
+  if (!target) {
+    inst->NewStreamListener(relativeURL, notifyData,
+                            getter_AddRefs(listener));
+    if (listener) {
+      listener->SetCallNotify(false);
+    }
+  }
+
+  switch (type) {
+  case eNPPStreamTypeInternal_Get:
+    {
+      if (NS_FAILED(pluginHost->GetURL(inst, relativeURL, target, listener,
+                                       nullptr, nullptr, false)))
+        return NPERR_GENERIC_ERROR;
+      break;
+    }
+  case eNPPStreamTypeInternal_Post:
+    {
+      if (NS_FAILED(pluginHost->PostURL(inst, relativeURL, len, buf, file,
+                                        target, listener, nullptr, nullptr,
+                                        false, 0, nullptr)))
+        return NPERR_GENERIC_ERROR;
+      break;
+    }
+  default:
+    NS_ERROR("how'd I get here");
+  }
+
+  if (listener) {
+    // SetCallNotify(bDoNotify) here, see comment above.
+    listener->SetCallNotify(bDoNotify);
+  }
+
+  return NPERR_NO_ERROR;
+}
+
+#if defined(MOZ_MEMORY_WINDOWS)
+extern "C" size_t malloc_usable_size(const void *ptr);
+#endif
+
+namespace {
+
+static char *gNPPException;
+
+class nsPluginThreadRunnable : public Runnable,
+                               public PRCList
+{
+public:
+  nsPluginThreadRunnable(NPP instance, PluginThreadCallback func,
+                         void *userData);
+  virtual ~nsPluginThreadRunnable();
+
+  NS_IMETHOD Run();
+
+  bool IsForInstance(NPP instance)
+  {
+    return (mInstance == instance);
+  }
+
+  void Invalidate()
+  {
+    mFunc = nullptr;
+  }
+
+  bool IsValid()
+  {
+    return (mFunc != nullptr);
+  }
+
+private:
+  NPP mInstance;
+  PluginThreadCallback mFunc;
+  void *mUserData;
+};
+
+static nsIDocument *
+GetDocumentFromNPP(NPP npp)
+{
+  NS_ENSURE_TRUE(npp, nullptr);
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)npp->ndata;
+  NS_ENSURE_TRUE(inst, nullptr);
+
+  PluginDestructionGuard guard(inst);
+
+  RefPtr<nsPluginInstanceOwner> owner = inst->GetOwner();
+  NS_ENSURE_TRUE(owner, nullptr);
+
+  nsCOMPtr<nsIDocument> doc;
+  owner->GetDocument(getter_AddRefs(doc));
+
+  return doc;
+}
+
+static already_AddRefed<nsIChannel>
+GetChannelFromNPP(NPP npp)
+{
+  nsCOMPtr<nsIDocument> doc = GetDocumentFromNPP(npp);
+  if (!doc)
+    return nullptr;
+  nsCOMPtr<nsPIDOMWindowOuter> domwindow = doc->GetWindow();
+  nsCOMPtr<nsIChannel> channel;
+  if (domwindow) {
+    nsCOMPtr<nsIDocShell> docShell = domwindow->GetDocShell();
+    if (docShell) {
+      docShell->GetCurrentDocumentChannel(getter_AddRefs(channel));
+    }
+  }
+  return channel.forget();
+}
+
+static NPIdentifier
+doGetIdentifier(JSContext *cx, const NPUTF8* name)
+{
+  NS_ConvertUTF8toUTF16 utf16name(name);
+
+  JSString *str = ::JS_AtomizeAndPinUCStringN(cx, utf16name.get(), utf16name.Length());
+
+  if (!str)
+    return nullptr;
+
+  return StringToNPIdentifier(cx, str);
+}
+
+#if defined(MOZ_MEMORY_WINDOWS)
+BOOL
+InHeap(HANDLE hHeap, LPVOID lpMem)
+{
+  BOOL success = FALSE;
+  PROCESS_HEAP_ENTRY he;
+  he.lpData = nullptr;
+  while (HeapWalk(hHeap, &he) != 0) {
+    if (he.lpData == lpMem) {
+      success = TRUE;
+      break;
+    }
+  }
+  HeapUnlock(hHeap);
+  return success;
+}
+#endif
+
+} /* anonymous namespace */
+
+NPPExceptionAutoHolder::NPPExceptionAutoHolder()
+  : mOldException(gNPPException)
+{
+  gNPPException = nullptr;
+}
+
+NPPExceptionAutoHolder::~NPPExceptionAutoHolder()
+{
+  NS_ASSERTION(!gNPPException, "NPP exception not properly cleared!");
+
+  gNPPException = mOldException;
+}
+
+nsPluginThreadRunnable::nsPluginThreadRunnable(NPP instance,
+                                               PluginThreadCallback func,
+                                               void *userData)
+  : mInstance(instance), mFunc(func), mUserData(userData)
+{
+  if (!sPluginThreadAsyncCallLock) {
+    // Failed to create lock, not much we can do here then...
+    mFunc = nullptr;
+
+    return;
+  }
+
+  PR_INIT_CLIST(this);
+
+  {
+    MutexAutoLock lock(*sPluginThreadAsyncCallLock);
+
+    nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+    if (!inst || !inst->IsRunning()) {
+      // The plugin was stopped, ignore this async call.
+      mFunc = nullptr;
+
+      return;
+    }
+
+    PR_APPEND_LINK(this, &sPendingAsyncCalls);
+  }
+}
+
+nsPluginThreadRunnable::~nsPluginThreadRunnable()
+{
+  if (!sPluginThreadAsyncCallLock) {
+    return;
+  }
+
+  {
+    MutexAutoLock lock(*sPluginThreadAsyncCallLock);
+
+    PR_REMOVE_LINK(this);
+  }
+}
+
+NS_IMETHODIMP
+nsPluginThreadRunnable::Run()
+{
+  if (mFunc) {
+    PluginDestructionGuard guard(mInstance);
+
+    NS_TRY_SAFE_CALL_VOID(mFunc(mUserData), nullptr,
+                          NS_PLUGIN_CALL_SAFE_TO_REENTER_GECKO);
+  }
+
+  return NS_OK;
+}
+
+void
+OnPluginDestroy(NPP instance)
+{
+  if (!sPluginThreadAsyncCallLock) {
+    return;
+  }
+
+  {
+    MutexAutoLock lock(*sPluginThreadAsyncCallLock);
+
+    if (PR_CLIST_IS_EMPTY(&sPendingAsyncCalls)) {
+      return;
+    }
+
+    nsPluginThreadRunnable *r =
+      (nsPluginThreadRunnable *)PR_LIST_HEAD(&sPendingAsyncCalls);
+
+    do {
+      if (r->IsForInstance(instance)) {
+        r->Invalidate();
+      }
+
+      r = (nsPluginThreadRunnable *)PR_NEXT_LINK(r);
+    } while (r != &sPendingAsyncCalls);
+  }
+}
+
+void
+OnShutdown()
+{
+  NS_ASSERTION(PR_CLIST_IS_EMPTY(&sPendingAsyncCalls),
+               "Pending async plugin call list not cleaned up!");
+
+  if (sPluginThreadAsyncCallLock) {
+    delete sPluginThreadAsyncCallLock;
+
+    sPluginThreadAsyncCallLock = nullptr;
+  }
+}
+
+AsyncCallbackAutoLock::AsyncCallbackAutoLock()
+{
+  if (sPluginThreadAsyncCallLock) {
+    sPluginThreadAsyncCallLock->Lock();
+  }
+}
+
+AsyncCallbackAutoLock::~AsyncCallbackAutoLock()
+{
+  if (sPluginThreadAsyncCallLock) {
+    sPluginThreadAsyncCallLock->Unlock();
+  }
+}
+
+NPP NPPStack::sCurrentNPP = nullptr;
+
+const char *
+PeekException()
+{
+  return gNPPException;
+}
+
+void
+PopException()
+{
+  NS_ASSERTION(gNPPException, "Uh, no NPP exception to pop!");
+
+  if (gNPPException) {
+    free(gNPPException);
+
+    gNPPException = nullptr;
+  }
+}
+
+//
+// Static callbacks that get routed back through the new C++ API
+//
+
+namespace mozilla {
+namespace plugins {
+namespace parent {
+
+NPError
+_geturl(NPP npp, const char* relativeURL, const char* target)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_geturl called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+  ("NPN_GetURL: npp=%p, target=%s, url=%s\n", (void *)npp, target,
+   relativeURL));
+
+  PluginDestructionGuard guard(npp);
+
+  // Block Adobe Acrobat from loading URLs that are not http:, https:,
+  // or ftp: URLs if the given target is null.
+  if (!target && relativeURL &&
+      (strncmp(relativeURL, "http:", 5) != 0) &&
+      (strncmp(relativeURL, "https:", 6) != 0) &&
+      (strncmp(relativeURL, "ftp:", 4) != 0)) {
+    nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
+
+    const char *name = nullptr;
+    RefPtr<nsPluginHost> host = nsPluginHost::GetInst();
+    host->GetPluginName(inst, &name);
+
+    if (name && strstr(name, "Adobe") && strstr(name, "Acrobat")) {
+      return NPERR_NO_ERROR;
+    }
+  }
+
+  return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
+                                    eNPPStreamTypeInternal_Get);
+}
+
+NPError
+_geturlnotify(NPP npp, const char* relativeURL, const char* target,
+              void* notifyData)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_geturlnotify called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+    ("NPN_GetURLNotify: npp=%p, target=%s, notify=%p, url=%s\n", (void*)npp,
+     target, notifyData, relativeURL));
+
+  PluginDestructionGuard guard(npp);
+
+  return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
+                                    eNPPStreamTypeInternal_Get, true,
+                                    notifyData);
+}
+
+NPError
+_posturlnotify(NPP npp, const char *relativeURL, const char *target,
+               uint32_t len, const char *buf, NPBool file, void *notifyData)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_posturlnotify called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  if (!buf)
+    return NPERR_INVALID_PARAM;
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_PostURLNotify: npp=%p, target=%s, len=%d, file=%d, "
+                  "notify=%p, url=%s, buf=%s\n",
+                  (void*)npp, target, len, file, notifyData, relativeURL,
+                  buf));
+
+  PluginDestructionGuard guard(npp);
+
+  return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
+                                    eNPPStreamTypeInternal_Post, true,
+                                    notifyData, len, buf, file);
+}
+
+NPError
+_posturl(NPP npp, const char *relativeURL, const char *target,
+         uint32_t len, const char *buf, NPBool file)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_posturl called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_PostURL: npp=%p, target=%s, file=%d, len=%d, url=%s, "
+                  "buf=%s\n",
+                  (void*)npp, target, file, len, relativeURL, buf));
+
+  PluginDestructionGuard guard(npp);
+
+  return MakeNewNPAPIStreamInternal(npp, relativeURL, target,
+                                    eNPPStreamTypeInternal_Post, false, nullptr,
+                                    len, buf, file);
+}
+
+NPError
+_newstream(NPP npp, NPMIMEType type, const char* target, NPStream* *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_newstream called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+  ("NPN_NewStream: npp=%p, type=%s, target=%s\n", (void*)npp,
+   (const char *)type, target));
+
+  NPError err = NPERR_INVALID_INSTANCE_ERROR;
+  if (npp && npp->ndata) {
+    nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
+
+    PluginDestructionGuard guard(inst);
+
+    nsCOMPtr<nsIOutputStream> stream;
+    if (NS_SUCCEEDED(inst->NewStreamFromPlugin((const char*) type, target,
+                                               getter_AddRefs(stream)))) {
+      nsNPAPIStreamWrapper* wrapper = new nsNPAPIStreamWrapper(stream, nullptr);
+      if (wrapper) {
+        (*result) = &wrapper->mNPStream;
+        err = NPERR_NO_ERROR;
+      } else {
+        err = NPERR_OUT_OF_MEMORY_ERROR;
+      }
+    } else {
+      err = NPERR_GENERIC_ERROR;
+    }
+  }
+  return err;
+}
+
+int32_t
+_write(NPP npp, NPStream *pstream, int32_t len, void *buffer)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_write called from the wrong thread\n"));
+    return 0;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_Write: npp=%p, url=%s, len=%d, buffer=%s\n", (void*)npp,
+                  pstream->url, len, (char*)buffer));
+
+  // negative return indicates failure to the plugin
+  if (!npp)
+    return -1;
+
+  PluginDestructionGuard guard(npp);
+
+  nsNPAPIStreamWrapper* wrapper = static_cast<nsNPAPIStreamWrapper*>(pstream->ndata);
+  if (!wrapper) {
+    return -1;
+  }
+
+  nsIOutputStream* stream = wrapper->GetOutputStream();
+  if (!stream) {
+    return -1;
+  }
+
+  uint32_t count = 0;
+  nsresult rv = stream->Write((char *)buffer, len, &count);
+
+  if (NS_FAILED(rv)) {
+    return -1;
+  }
+
+  return (int32_t)count;
+}
+
+NPError
+_destroystream(NPP npp, NPStream *pstream, NPError reason)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_destroystream called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_DestroyStream: npp=%p, url=%s, reason=%d\n", (void*)npp,
+                  pstream->url, (int)reason));
+
+  if (!npp)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  PluginDestructionGuard guard(npp);
+
+  nsNPAPIStreamWrapper *streamWrapper = static_cast<nsNPAPIStreamWrapper*>(pstream->ndata);
+  if (!streamWrapper) {
+    return NPERR_INVALID_PARAM;
+  }
+
+  nsNPAPIPluginStreamListener *listener = streamWrapper->GetStreamListener();
+  if (listener) {
+    // This type of stream is going from the browser to the plugin. It's either the
+    // initial src/data stream or another stream resulting from NPN_GetURL* or
+    // NPN_PostURL*.
+    //
+    // Calling OnStopBinding on the listener may cause it to be deleted due to the
+    // releasing of its last references.
+    listener->OnStopBinding(nullptr, NS_BINDING_ABORTED);
+  } else {
+    // This type of stream (NPStream) was created via NPN_NewStream. The plugin holds
+    // the reference until it is to be deleted here. Deleting the wrapper will
+    // release the wrapped nsIOutputStream.
+    //
+    // The NPStream the plugin references should always be a sub-object of its own
+    // 'ndata', which is our nsNPAPIStramWrapper. See bug 548441.
+    NS_ASSERTION((char*)streamWrapper <= (char*)pstream &&
+                 ((char*)pstream) + sizeof(*pstream)
+                     <= ((char*)streamWrapper) + sizeof(*streamWrapper),
+                 "pstream is not a subobject of wrapper");
+    delete streamWrapper;
+  }
+
+  // 'listener' and/or 'streamWrapper' may be invalid (deleted) at this point. Don't
+  // touch them again!
+
+  return NPERR_NO_ERROR;
+}
+
+void
+_status(NPP npp, const char *message)
+{
+  // NPN_Status is no longer supported.
+}
+
+void
+_memfree (void *ptr)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_memfree called from the wrong thread\n"));
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY, ("NPN_MemFree: ptr=%p\n", ptr));
+
+  if (ptr)
+    free(ptr);
+}
+
+uint32_t
+_memflush(uint32_t size)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_memflush called from the wrong thread\n"));
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY, ("NPN_MemFlush: size=%d\n", size));
+
+  nsMemory::HeapMinimize(true);
+  return 0;
+}
+
+void
+_reloadplugins(NPBool reloadPages)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_reloadplugins called from the wrong thread\n"));
+    return;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_ReloadPlugins: reloadPages=%d\n", reloadPages));
+
+  nsCOMPtr<nsIPluginHost> pluginHost(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
+  if (!pluginHost)
+    return;
+
+  pluginHost->ReloadPlugins();
+}
+
+void
+_invalidaterect(NPP npp, NPRect *invalidRect)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invalidaterect called from the wrong thread\n"));
+    return;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_InvalidateRect: npp=%p, top=%d, left=%d, bottom=%d, "
+                  "right=%d\n", (void *)npp, invalidRect->top,
+                  invalidRect->left, invalidRect->bottom, invalidRect->right));
+
+  if (!npp || !npp->ndata) {
+    NS_WARNING("_invalidaterect: npp or npp->ndata == 0");
+    return;
+  }
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
+
+  PluginDestructionGuard guard(inst);
+
+  inst->InvalidateRect((NPRect *)invalidRect);
+}
+
+void
+_invalidateregion(NPP npp, NPRegion invalidRegion)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invalidateregion called from the wrong thread\n"));
+    return;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,
+                 ("NPN_InvalidateRegion: npp=%p, region=%p\n", (void*)npp,
+                  (void*)invalidRegion));
+
+  if (!npp || !npp->ndata) {
+    NS_WARNING("_invalidateregion: npp or npp->ndata == 0");
+    return;
+  }
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
+
+  PluginDestructionGuard guard(inst);
+
+  inst->InvalidateRegion((NPRegion)invalidRegion);
+}
+
+void
+_forceredraw(NPP npp)
+{
+}
+
+NPObject*
+_getwindowobject(NPP npp)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getwindowobject called from the wrong thread\n"));
+    return nullptr;
+  }
+
+  // The window want to return here is the outer window, *not* the inner (since
+  // we don't know what the plugin will do with it).
+  nsIDocument* doc = GetDocumentFromNPP(npp);
+  NS_ENSURE_TRUE(doc, nullptr);
+  nsCOMPtr<nsPIDOMWindowOuter> outer = doc->GetWindow();
+  NS_ENSURE_TRUE(outer, nullptr);
+
+  JS::Rooted<JSObject*> global(dom::RootingCx(),
+                               nsGlobalWindow::Cast(outer)->GetGlobalJSObject());
+  return nsJSObjWrapper::GetNewOrUsed(npp, global);
+}
+
+NPObject*
+_getpluginelement(NPP npp)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getpluginelement called from the wrong thread\n"));
+    return nullptr;
+  }
+
+  nsNPAPIPluginInstance* inst = static_cast<nsNPAPIPluginInstance*>(npp->ndata);
+  if (!inst)
+    return nullptr;
+
+  nsCOMPtr<nsIDOMElement> element;
+  inst->GetDOMElement(getter_AddRefs(element));
+
+  if (!element)
+    return nullptr;
+
+  nsIDocument *doc = GetDocumentFromNPP(npp);
+  if (NS_WARN_IF(!doc)) {
+    return nullptr;
+  }
+
+  dom::AutoJSAPI jsapi;
+  if (NS_WARN_IF(!jsapi.Init(doc->GetInnerWindow()))) {
+    return nullptr;
+  }
+  JSContext* cx = jsapi.cx();
+
+  nsCOMPtr<nsIXPConnect> xpc(do_GetService(nsIXPConnect::GetCID()));
+  NS_ENSURE_TRUE(xpc, nullptr);
+
+  JS::RootedObject obj(cx);
+  xpc->WrapNative(cx, ::JS::CurrentGlobalOrNull(cx), element,
+                  NS_GET_IID(nsIDOMElement), obj.address());
+  NS_ENSURE_TRUE(obj, nullptr);
+
+  return nsJSObjWrapper::GetNewOrUsed(npp, obj);
+}
+
+NPIdentifier
+_getstringidentifier(const NPUTF8* name)
+{
+  if (!name) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS, ("NPN_getstringidentifier: passed null name"));
+    return nullptr;
+  }
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getstringidentifier called from the wrong thread\n"));
+  }
+
+  AutoSafeJSContext cx;
+  return doGetIdentifier(cx, name);
+}
+
+void
+_getstringidentifiers(const NPUTF8** names, int32_t nameCount,
+                      NPIdentifier *identifiers)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getstringidentifiers called from the wrong thread\n"));
+  }
+
+  AutoSafeJSContext cx;
+
+  for (int32_t i = 0; i < nameCount; ++i) {
+    if (names[i]) {
+      identifiers[i] = doGetIdentifier(cx, names[i]);
+    } else {
+      NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS, ("NPN_getstringidentifiers: passed null name"));
+      identifiers[i] = nullptr;
+    }
+  }
+}
+
+NPIdentifier
+_getintidentifier(int32_t intid)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getstringidentifier called from the wrong thread\n"));
+  }
+  return IntToNPIdentifier(intid);
+}
+
+NPUTF8*
+_utf8fromidentifier(NPIdentifier id)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_utf8fromidentifier called from the wrong thread\n"));
+  }
+  if (!id)
+    return nullptr;
+
+  if (!NPIdentifierIsString(id)) {
+    return nullptr;
+  }
+
+  JSString *str = NPIdentifierToString(id);
+  nsAutoString autoStr;
+  AssignJSFlatString(autoStr, JS_ASSERT_STRING_IS_FLAT(str));
+
+  return ToNewUTF8String(autoStr);
+}
+
+int32_t
+_intfromidentifier(NPIdentifier id)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_intfromidentifier called from the wrong thread\n"));
+  }
+
+  if (!NPIdentifierIsInt(id)) {
+    return INT32_MIN;
+  }
+
+  return NPIdentifierToInt(id);
+}
+
+bool
+_identifierisstring(NPIdentifier id)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_identifierisstring called from the wrong thread\n"));
+  }
+
+  return NPIdentifierIsString(id);
+}
+
+NPObject*
+_createobject(NPP npp, NPClass* aClass)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_createobject called from the wrong thread\n"));
+    return nullptr;
+  }
+  if (!npp) {
+    NS_ERROR("Null npp passed to _createobject()!");
+
+    return nullptr;
+  }
+
+  PluginDestructionGuard guard(npp);
+
+  if (!aClass) {
+    NS_ERROR("Null class passed to _createobject()!");
+
+    return nullptr;
+  }
+
+  NPPAutoPusher nppPusher(npp);
+
+  NPObject *npobj;
+
+  if (aClass->allocate) {
+    npobj = aClass->allocate(npp, aClass);
+  } else {
+    npobj = (NPObject *)PR_Malloc(sizeof(NPObject));
+  }
+
+  if (npobj) {
+    npobj->_class = aClass;
+    npobj->referenceCount = 1;
+    NS_LOG_ADDREF(npobj, 1, "BrowserNPObject", sizeof(NPObject));
+  }
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("Created NPObject %p, NPClass %p\n", npobj, aClass));
+
+  return npobj;
+}
+
+NPObject*
+_retainobject(NPObject* npobj)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_retainobject called from the wrong thread\n"));
+  }
+  if (npobj) {
+#ifdef NS_BUILD_REFCNT_LOGGING
+    int32_t refCnt =
+#endif
+      PR_ATOMIC_INCREMENT((int32_t*)&npobj->referenceCount);
+    NS_LOG_ADDREF(npobj, refCnt, "BrowserNPObject", sizeof(NPObject));
+  }
+
+  return npobj;
+}
+
+void
+_releaseobject(NPObject* npobj)
+{
+  // If nothing is passed, just return, even if we're on the wrong thread.
+  if (!npobj) {
+    return;
+  }
+
+  // THIS IS A KNOWN LEAK. SEE BUG 1221448.
+  // If releaseobject is called off the main thread and we have a valid pointer,
+  // we at least know it was created on the main thread (see _createobject
+  // implementation). However, forwarding the deletion back to the main thread
+  // without careful checking could cause bad memory management races. So, for
+  // now, we leak by warning and then just returning early. But it should fix
+  // java 7 crashes.
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_releaseobject called from the wrong thread\n"));
+    return;
+  }
+
+  int32_t refCnt = PR_ATOMIC_DECREMENT((int32_t*)&npobj->referenceCount);
+  NS_LOG_RELEASE(npobj, refCnt, "BrowserNPObject");
+
+  if (refCnt == 0) {
+    nsNPObjWrapper::OnDestroy(npobj);
+
+    NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                   ("Deleting NPObject %p, refcount hit 0\n", npobj));
+
+    if (npobj->_class && npobj->_class->deallocate) {
+      npobj->_class->deallocate(npobj);
+    } else {
+      PR_Free(npobj);
+    }
+  }
+}
+
+bool
+_invoke(NPP npp, NPObject* npobj, NPIdentifier method, const NPVariant *args,
+        uint32_t argCount, NPVariant *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invoke called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->invoke)
+    return false;
+
+  PluginDestructionGuard guard(npp);
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_Invoke(npp %p, npobj %p, method %p, args %d\n", npp,
+                  npobj, method, argCount));
+
+  return npobj->_class->invoke(npobj, method, args, argCount, result);
+}
+
+bool
+_invokeDefault(NPP npp, NPObject* npobj, const NPVariant *args,
+               uint32_t argCount, NPVariant *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_invokedefault called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->invokeDefault)
+    return false;
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_InvokeDefault(npp %p, npobj %p, args %d\n", npp,
+                  npobj, argCount));
+
+  return npobj->_class->invokeDefault(npobj, args, argCount, result);
+}
+
+bool
+_evaluate(NPP npp, NPObject* npobj, NPString *script, NPVariant *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_evaluate called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp)
+    return false;
+
+  NPPAutoPusher nppPusher(npp);
+
+  nsIDocument *doc = GetDocumentFromNPP(npp);
+  NS_ENSURE_TRUE(doc, false);
+
+  nsGlobalWindow* win = nsGlobalWindow::Cast(doc->GetInnerWindow());
+  if (NS_WARN_IF(!win || !win->FastGetGlobalJSObject())) {
+    return false;
+  }
+
+  nsAutoMicroTask mt;
+  dom::AutoEntryScript aes(win, "NPAPI NPN_evaluate");
+  JSContext* cx = aes.cx();
+
+  JS::Rooted<JSObject*> obj(cx, nsNPObjWrapper::GetNewOrUsed(npp, cx, npobj));
+
+  if (!obj) {
+    return false;
+  }
+
+  obj = js::ToWindowIfWindowProxy(obj);
+  MOZ_ASSERT(obj, "ToWindowIfWindowProxy should never return null");
+
+  if (result) {
+    // Initialize the out param to void
+    VOID_TO_NPVARIANT(*result);
+  }
+
+  if (!script || !script->UTF8Length || !script->UTF8Characters) {
+    // Nothing to evaluate.
+
+    return true;
+  }
+
+  NS_ConvertUTF8toUTF16 utf16script(script->UTF8Characters,
+                                    script->UTF8Length);
+
+  nsIPrincipal *principal = doc->NodePrincipal();
+
+  nsAutoCString specStr;
+  const char *spec;
+
+  nsCOMPtr<nsIURI> uri;
+  principal->GetURI(getter_AddRefs(uri));
+
+  if (uri) {
+    uri->GetSpec(specStr);
+    spec = specStr.get();
+  } else {
+    // No URI in a principal means it's the system principal. If the
+    // document URI is a chrome:// URI, pass that in as the URI of the
+    // script, else pass in null for the filename as there's no way to
+    // know where this document really came from. Passing in null here
+    // also means that the script gets treated by XPConnect as if it
+    // needs additional protection, which is what we want for unknown
+    // chrome code anyways.
+
+    uri = doc->GetDocumentURI();
+    bool isChrome = false;
+
+    if (uri && NS_SUCCEEDED(uri->SchemeIs("chrome", &isChrome)) && isChrome) {
+      uri->GetSpec(specStr);
+      spec = specStr.get();
+    } else {
+      spec = nullptr;
+    }
+  }
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_Evaluate(npp %p, npobj %p, script <<<%s>>>) called\n",
+                  npp, npobj, script->UTF8Characters));
+
+  JS::CompileOptions options(cx);
+  options.setFileAndLine(spec, 0)
+         .setVersion(JSVERSION_DEFAULT);
+  JS::Rooted<JS::Value> rval(cx);
+  nsJSUtils::EvaluateOptions evalOptions(cx);
+  if (obj != js::GetGlobalForObjectCrossCompartment(obj) &&
+      !evalOptions.scopeChain.append(obj)) {
+    return false;
+  }
+  obj = js::GetGlobalForObjectCrossCompartment(obj);
+  nsresult rv = nsJSUtils::EvaluateString(cx, utf16script, obj, options,
+                                          evalOptions, &rval);
+
+  return NS_SUCCEEDED(rv) &&
+         (!result || JSValToNPVariant(npp, cx, rval, result));
+}
+
+bool
+_getproperty(NPP npp, NPObject* npobj, NPIdentifier property,
+             NPVariant *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getproperty called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->getProperty)
+    return false;
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_GetProperty(npp %p, npobj %p, property %p) called\n",
+                  npp, npobj, property));
+
+  if (!npobj->_class->getProperty(npobj, property, result))
+    return false;
+
+  // If a Java plugin tries to get the document.URL or document.documentURI
+  // property from us, don't pass back a value that Java won't be able to
+  // understand -- one that will make the URL(String) constructor throw a
+  // MalformedURL exception.  Passing such a value causes Java Plugin2 to
+  // crash (to throw a RuntimeException in Plugin2Manager.getDocumentBase()).
+  // Also don't pass back a value that Java is likely to mishandle.
+
+  nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*) npp->ndata;
+  if (!inst)
+    return false;
+  nsNPAPIPlugin* plugin = inst->GetPlugin();
+  if (!plugin)
+    return false;
+  RefPtr<nsPluginHost> host = nsPluginHost::GetInst();
+  nsPluginTag* pluginTag = host->TagForPlugin(plugin);
+  if (!pluginTag->mIsJavaPlugin)
+    return true;
+
+  if (!NPVARIANT_IS_STRING(*result))
+    return true;
+
+  NPUTF8* propertyName = _utf8fromidentifier(property);
+  if (!propertyName)
+    return true;
+  bool notURL =
+    (PL_strcasecmp(propertyName, "URL") &&
+     PL_strcasecmp(propertyName, "documentURI"));
+  _memfree(propertyName);
+  if (notURL)
+    return true;
+
+  NPObject* window_obj = _getwindowobject(npp);
+  if (!window_obj)
+    return true;
+
+  NPVariant doc_v;
+  NPObject* document_obj = nullptr;
+  NPIdentifier doc_id = _getstringidentifier("document");
+  bool ok = npobj->_class->getProperty(window_obj, doc_id, &doc_v);
+  _releaseobject(window_obj);
+  if (ok) {
+    if (NPVARIANT_IS_OBJECT(doc_v)) {
+      document_obj = NPVARIANT_TO_OBJECT(doc_v);
+    } else {
+      _releasevariantvalue(&doc_v);
+      return true;
+    }
+  } else {
+    return true;
+  }
+  _releaseobject(document_obj);
+  if (document_obj != npobj)
+    return true;
+
+  NPString urlnp = NPVARIANT_TO_STRING(*result);
+  nsXPIDLCString url;
+  url.Assign(urlnp.UTF8Characters, urlnp.UTF8Length);
+
+  bool javaCompatible = false;
+  if (NS_FAILED(NS_CheckIsJavaCompatibleURLString(url, &javaCompatible)))
+    javaCompatible = false;
+  if (javaCompatible)
+    return true;
+
+  // If Java won't be able to interpret the original value of document.URL or
+  // document.documentURI, or is likely to mishandle it, pass back something
+  // that Java will understand but won't be able to use to access the network,
+  // and for which same-origin checks will always fail.
+
+  if (inst->mFakeURL.IsVoid()) {
+    // Abort (do an error return) if NS_MakeRandomInvalidURLString() fails.
+    if (NS_FAILED(NS_MakeRandomInvalidURLString(inst->mFakeURL))) {
+      _releasevariantvalue(result);
+      return false;
+    }
+  }
+
+  _releasevariantvalue(result);
+  char* fakeurl = (char *) _memalloc(inst->mFakeURL.Length() + 1);
+  strcpy(fakeurl, inst->mFakeURL);
+  STRINGZ_TO_NPVARIANT(fakeurl, *result);
+
+  return true;
+}
+
+bool
+_setproperty(NPP npp, NPObject* npobj, NPIdentifier property,
+             const NPVariant *value)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setproperty called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->setProperty)
+    return false;
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_SetProperty(npp %p, npobj %p, property %p) called\n",
+                  npp, npobj, property));
+
+  return npobj->_class->setProperty(npobj, property, value);
+}
+
+bool
+_removeproperty(NPP npp, NPObject* npobj, NPIdentifier property)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_removeproperty called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->removeProperty)
+    return false;
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_RemoveProperty(npp %p, npobj %p, property %p) called\n",
+                  npp, npobj, property));
+
+  return npobj->_class->removeProperty(npobj, property);
+}
+
+bool
+_hasproperty(NPP npp, NPObject* npobj, NPIdentifier propertyName)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_hasproperty called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->hasProperty)
+    return false;
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_HasProperty(npp %p, npobj %p, property %p) called\n",
+                  npp, npobj, propertyName));
+
+  return npobj->_class->hasProperty(npobj, propertyName);
+}
+
+bool
+_hasmethod(NPP npp, NPObject* npobj, NPIdentifier methodName)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_hasmethod called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class || !npobj->_class->hasMethod)
+    return false;
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_HasMethod(npp %p, npobj %p, property %p) called\n",
+                  npp, npobj, methodName));
+
+  return npobj->_class->hasMethod(npobj, methodName);
+}
+
+bool
+_enumerate(NPP npp, NPObject *npobj, NPIdentifier **identifier,
+           uint32_t *count)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_enumerate called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class)
+    return false;
+
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,
+                 ("NPN_Enumerate(npp %p, npobj %p) called\n", npp, npobj));
+
+  if (!NP_CLASS_STRUCT_VERSION_HAS_ENUM(npobj->_class) ||
+      !npobj->_class->enumerate) {
+    *identifier = 0;
+    *count = 0;
+    return true;
+  }
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  return npobj->_class->enumerate(npobj, identifier, count);
+}
+
+bool
+_construct(NPP npp, NPObject* npobj, const NPVariant *args,
+               uint32_t argCount, NPVariant *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_construct called from the wrong thread\n"));
+    return false;
+  }
+  if (!npp || !npobj || !npobj->_class ||
+      !NP_CLASS_STRUCT_VERSION_HAS_CTOR(npobj->_class) ||
+      !npobj->_class->construct) {
+    return false;
+  }
+
+  NPPExceptionAutoHolder nppExceptionHolder;
+  NPPAutoPusher nppPusher(npp);
+
+  return npobj->_class->construct(npobj, args, argCount, result);
+}
+
+void
+_releasevariantvalue(NPVariant* variant)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_releasevariantvalue called from the wrong thread\n"));
+  }
+  switch (variant->type) {
+  case NPVariantType_Void :
+  case NPVariantType_Null :
+  case NPVariantType_Bool :
+  case NPVariantType_Int32 :
+  case NPVariantType_Double :
+    break;
+  case NPVariantType_String :
+    {
+      const NPString *s = &NPVARIANT_TO_STRING(*variant);
+
+      if (s->UTF8Characters) {
+#if defined(MOZ_MEMORY_WINDOWS)
+        if (malloc_usable_size((void *)s->UTF8Characters) != 0) {
+          PR_Free((void *)s->UTF8Characters);
+        } else {
+          void *p = (void *)s->UTF8Characters;
+          DWORD nheaps = 0;
+          AutoTArray<HANDLE, 50> heaps;
+          nheaps = GetProcessHeaps(0, heaps.Elements());
+          heaps.AppendElements(nheaps);
+          GetProcessHeaps(nheaps, heaps.Elements());
+          for (DWORD i = 0; i < nheaps; i++) {
+            if (InHeap(heaps[i], p)) {
+              HeapFree(heaps[i], 0, p);
+              break;
+            }
+          }
+        }
+#else
+        free((void *)s->UTF8Characters);
+#endif
+      }
+      break;
+    }
+  case NPVariantType_Object:
+    {
+      NPObject *npobj = NPVARIANT_TO_OBJECT(*variant);
+
+      if (npobj)
+        _releaseobject(npobj);
+
+      break;
+    }
+  default:
+    NS_ERROR("Unknown NPVariant type!");
+  }
+
+  VOID_TO_NPVARIANT(*variant);
+}
+
+void
+_setexception(NPObject* npobj, const NPUTF8 *message)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setexception called from the wrong thread\n"));
+    return;
+  }
+
+  if (!message) return;
+
+  if (gNPPException) {
+    // If a plugin throws multiple exceptions, we'll only report the
+    // last one for now.
+    free(gNPPException);
+  }
+
+  gNPPException = strdup(message);
+}
+
+NPError
+_getvalue(NPP npp, NPNVariable variable, void *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getvalue called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_GetValue: npp=%p, var=%d\n",
+                                     (void*)npp, (int)variable));
+
+  nsresult res;
+
+  PluginDestructionGuard guard(npp);
+
+  // Cast NPNVariable enum to int to avoid warnings about including switch
+  // cases for android_npapi.h's non-standard ANPInterface values.
+  switch (static_cast<int>(variable)) {
+
+#if defined(XP_UNIX) && !defined(XP_MACOSX)
+  case NPNVxDisplay : {
+#if defined(MOZ_X11)
+    if (npp) {
+      nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
+      bool windowless = false;
+      inst->IsWindowless(&windowless);
+      // The documentation on the types for many variables in NP(N|P)_GetValue
+      // is vague.  Often boolean values are NPBool (1 byte), but
+      // https://developer.mozilla.org/en/XEmbed_Extension_for_Mozilla_Plugins
+      // treats NPPVpluginNeedsXEmbed as PRBool (int), and
+      // on x86/32-bit, flash stores to this using |movl 0x1,&needsXEmbed|.
+      // thus we can't use NPBool for needsXEmbed, or the three bytes above
+      // it on the stack would get clobbered. so protect with the larger bool.
+      int needsXEmbed = 0;
+      if (!windowless) {
+        res = inst->GetValueFromPlugin(NPPVpluginNeedsXEmbed, &needsXEmbed);
+        // If the call returned an error code make sure we still use our default value.
+        if (NS_FAILED(res)) {
+          needsXEmbed = 0;
+        }
+      }
+      if (windowless || needsXEmbed) {
+        (*(Display **)result) = mozilla::DefaultXDisplay();
+        return NPERR_NO_ERROR;
+      }
+    }
+#if (MOZ_WIDGET_GTK == 2)
+    // adobe nppdf calls XtGetApplicationNameAndClass(display,
+    // &instance, &class) we have to init Xt toolkit before get
+    // XtDisplay just call gtk_xtbin_new(w,0) once
+    static GtkWidget *gtkXtBinHolder = 0;
+    if (!gtkXtBinHolder) {
+      gtkXtBinHolder = gtk_xtbin_new(gdk_get_default_root_window(),0);
+      // it crashes on destroy, let it leak
+      // gtk_widget_destroy(gtkXtBinHolder);
+    }
+    (*(Display **)result) =  GTK_XTBIN(gtkXtBinHolder)->xtdisplay;
+    return NPERR_NO_ERROR;
+#endif
+#endif
+    return NPERR_GENERIC_ERROR;
+  }
+
+  case NPNVxtAppContext:
+    return NPERR_GENERIC_ERROR;
+#endif
+
+#if defined(XP_WIN) || defined(MOZ_WIDGET_GTK)
+  case NPNVnetscapeWindow: {
+    if (!npp || !npp->ndata)
+      return NPERR_INVALID_INSTANCE_ERROR;
+
+    nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
+
+    RefPtr<nsPluginInstanceOwner> owner = inst->GetOwner();
+    NS_ENSURE_TRUE(owner, NPERR_NO_ERROR);
+
+    if (NS_SUCCEEDED(owner->GetNetscapeWindow(result))) {
+      return NPERR_NO_ERROR;
+    }
+    return NPERR_GENERIC_ERROR;
+  }
+#endif
+
+  case NPNVjavascriptEnabledBool: {
+    *(NPBool*)result = false;
+    bool js = false;
+    res = Preferences::GetBool("javascript.enabled", &js);
+    if (NS_SUCCEEDED(res)) {
+      *(NPBool*)result = js;
+    }
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVasdEnabledBool:
+    *(NPBool*)result = false;
+    return NPERR_NO_ERROR;
+
+  case NPNVisOfflineBool: {
+    bool offline = false;
+    nsCOMPtr<nsIIOService> ioservice =
+      do_GetService(NS_IOSERVICE_CONTRACTID, &res);
+    if (NS_SUCCEEDED(res))
+      res = ioservice->GetOffline(&offline);
+    if (NS_FAILED(res))
+      return NPERR_GENERIC_ERROR;
+
+    *(NPBool*)result = offline;
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVToolkit: {
+#ifdef MOZ_WIDGET_GTK
+    *((NPNToolkitType*)result) = NPNVGtk2;
+#endif
+
+    if (*(NPNToolkitType*)result)
+        return NPERR_NO_ERROR;
+
+    return NPERR_GENERIC_ERROR;
+  }
+
+  case NPNVSupportsXEmbedBool: {
+#ifdef MOZ_WIDGET_GTK
+    *(NPBool*)result = true;
+#else
+    *(NPBool*)result = false;
+#endif
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVWindowNPObject: {
+    *(NPObject **)result = _getwindowobject(npp);
+
+    return *(NPObject **)result ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
+  }
+
+  case NPNVPluginElementNPObject: {
+    *(NPObject **)result = _getpluginelement(npp);
+
+    return *(NPObject **)result ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
+  }
+
+  case NPNVSupportsWindowless: {
+#if defined(XP_WIN) || defined(XP_MACOSX) || \
+    (defined(MOZ_X11) && defined(MOZ_WIDGET_GTK))
+    *(NPBool*)result = true;
+#else
+    *(NPBool*)result = false;
+#endif
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVprivateModeBool: {
+    bool privacy;
+    nsNPAPIPluginInstance *inst = static_cast<nsNPAPIPluginInstance*>(npp->ndata);
+    if (!inst)
+      return NPERR_GENERIC_ERROR;
+
+    nsresult rv = inst->IsPrivateBrowsing(&privacy);
+    if (NS_FAILED(rv))
+      return NPERR_GENERIC_ERROR;
+    *(NPBool*)result = (NPBool)privacy;
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVdocumentOrigin: {
+    nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)npp->ndata;
+    if (!inst) {
+      return NPERR_GENERIC_ERROR;
+    }
+
+    nsCOMPtr<nsIDOMElement> element;
+    inst->GetDOMElement(getter_AddRefs(element));
+    if (!element) {
+      return NPERR_GENERIC_ERROR;
+    }
+
+    nsCOMPtr<nsIContent> content(do_QueryInterface(element));
+    if (!content) {
+      return NPERR_GENERIC_ERROR;
+    }
+
+    nsIPrincipal* principal = content->NodePrincipal();
+
+    nsAutoString utf16Origin;
+    res = nsContentUtils::GetUTFOrigin(principal, utf16Origin);
+    if (NS_FAILED(res)) {
+      return NPERR_GENERIC_ERROR;
+    }
+
+    nsCOMPtr<nsIIDNService> idnService = do_GetService(NS_IDNSERVICE_CONTRACTID);
+    if (!idnService) {
+      return NPERR_GENERIC_ERROR;
+    }
+
+    // This is a bit messy: we convert to UTF-8 here, but then
+    // nsIDNService::Normalize will convert back to UTF-16 for processing,
+    // and back to UTF-8 again to return the result.
+    // Alternative: perhaps we should add a NormalizeUTF16 version of the API,
+    // and just convert to UTF-8 for the final return (resulting in one
+    // encoding form conversion instead of three).
+    NS_ConvertUTF16toUTF8 utf8Origin(utf16Origin);
+    nsAutoCString normalizedUTF8Origin;
+    res = idnService->Normalize(utf8Origin, normalizedUTF8Origin);
+    if (NS_FAILED(res)) {
+      return NPERR_GENERIC_ERROR;
+    }
+
+    *(char**)result = ToNewCString(normalizedUTF8Origin);
+    return *(char**)result ? NPERR_NO_ERROR : NPERR_GENERIC_ERROR;
+  }
+
+#ifdef XP_MACOSX
+  case NPNVpluginDrawingModel: {
+    if (npp) {
+      nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance*)npp->ndata;
+      if (inst) {
+        NPDrawingModel drawingModel;
+        inst->GetDrawingModel((int32_t*)&drawingModel);
+        *(NPDrawingModel*)result = drawingModel;
+        return NPERR_NO_ERROR;
+      }
+    }
+    return NPERR_GENERIC_ERROR;
+  }
+
+#ifndef NP_NO_QUICKDRAW
+  case NPNVsupportsQuickDrawBool: {
+    *(NPBool*)result = false;
+
+    return NPERR_NO_ERROR;
+  }
+#endif
+
+  case NPNVsupportsCoreGraphicsBool: {
+    *(NPBool*)result = true;
+
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVsupportsCoreAnimationBool: {
+    *(NPBool*)result = true;
+
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVsupportsInvalidatingCoreAnimationBool: {
+    *(NPBool*)result = true;
+
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVsupportsCompositingCoreAnimationPluginsBool: {
+    *(NPBool*)result = PR_TRUE;
+
+    return NPERR_NO_ERROR;
+  }
+
+#ifndef NP_NO_CARBON
+  case NPNVsupportsCarbonBool: {
+    *(NPBool*)result = false;
+
+    return NPERR_NO_ERROR;
+  }
+#endif
+  case NPNVsupportsCocoaBool: {
+    *(NPBool*)result = true;
+
+    return NPERR_NO_ERROR;
+  }
+
+  case NPNVsupportsUpdatedCocoaTextInputBool: {
+    *(NPBool*)result = true;
+    return NPERR_NO_ERROR;
+  }
+#endif
+
+#if defined(XP_MACOSX) || defined(XP_WIN)
+  case NPNVcontentsScaleFactor: {
+    nsNPAPIPluginInstance *inst =
+      (nsNPAPIPluginInstance *) (npp ? npp->ndata : nullptr);
+    double scaleFactor = inst ? inst->GetContentsScaleFactor() : 1.0;
+    *(double*)result = scaleFactor;
+    return NPERR_NO_ERROR;
+  }
+#endif
+
+  case NPNVCSSZoomFactor: {
+    nsNPAPIPluginInstance *inst =
+      (nsNPAPIPluginInstance *) (npp ? npp->ndata : nullptr);
+    double scaleFactor = inst ? inst->GetCSSZoomFactor() : 1.0;
+    *(double*)result = scaleFactor;
+    return NPERR_NO_ERROR;
+  }
+
+#ifdef MOZ_WIDGET_ANDROID
+    case kLogInterfaceV0_ANPGetValue: {
+      LOG("get log interface");
+      ANPLogInterfaceV0 *i = (ANPLogInterfaceV0 *) result;
+      InitLogInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kBitmapInterfaceV0_ANPGetValue: {
+      LOG("get bitmap interface");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kMatrixInterfaceV0_ANPGetValue: {
+      LOG("get matrix interface");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kPathInterfaceV0_ANPGetValue: {
+      LOG("get path interface");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kTypefaceInterfaceV0_ANPGetValue: {
+      LOG("get typeface interface");
+      ANPTypefaceInterfaceV0 *i = (ANPTypefaceInterfaceV0 *) result;
+      InitTypeFaceInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kPaintInterfaceV0_ANPGetValue: {
+      LOG("get paint interface");
+      ANPPaintInterfaceV0 *i = (ANPPaintInterfaceV0 *) result;
+      InitPaintInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kCanvasInterfaceV0_ANPGetValue: {
+      LOG("get canvas interface");
+      ANPCanvasInterfaceV0 *i = (ANPCanvasInterfaceV0 *) result;
+      InitCanvasInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kWindowInterfaceV0_ANPGetValue: {
+      LOG("get window interface");
+      ANPWindowInterfaceV0 *i = (ANPWindowInterfaceV0 *) result;
+      InitWindowInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kAudioTrackInterfaceV0_ANPGetValue: {
+      LOG("get audio interface");
+      ANPAudioTrackInterfaceV0 *i = (ANPAudioTrackInterfaceV0 *) result;
+      InitAudioTrackInterfaceV0(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kEventInterfaceV0_ANPGetValue: {
+      LOG("get event interface");
+      ANPEventInterfaceV0 *i = (ANPEventInterfaceV0 *) result;
+      InitEventInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kSystemInterfaceV0_ANPGetValue: {
+      LOG("get system interface");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kSurfaceInterfaceV0_ANPGetValue: {
+      LOG("get surface interface");
+      ANPSurfaceInterfaceV0 *i = (ANPSurfaceInterfaceV0 *) result;
+      InitSurfaceInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kSupportedDrawingModel_ANPGetValue: {
+      LOG("get supported drawing model");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kJavaContext_ANPGetValue: {
+      LOG("get java context");
+      auto ret = java::GeckoAppShell::GetContext();
+      if (!ret)
+        return NPERR_GENERIC_ERROR;
+
+      *static_cast<jobject*>(result) = ret.Forget();
+      return NPERR_NO_ERROR;
+    }
+
+    case kAudioTrackInterfaceV1_ANPGetValue: {
+      LOG("get audio interface v1");
+      ANPAudioTrackInterfaceV1 *i = (ANPAudioTrackInterfaceV1 *) result;
+      InitAudioTrackInterfaceV1(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kNativeWindowInterfaceV0_ANPGetValue: {
+      LOG("get native window interface v0");
+      ANPNativeWindowInterfaceV0* i = (ANPNativeWindowInterfaceV0 *) result;
+      InitNativeWindowInterface(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kOpenGLInterfaceV0_ANPGetValue: {
+      LOG("get openGL interface");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kWindowInterfaceV1_ANPGetValue: {
+      LOG("get Window interface V1");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kWindowInterfaceV2_ANPGetValue: {
+      LOG("get Window interface V2");
+      ANPWindowInterfaceV2 *i = (ANPWindowInterfaceV2 *) result;
+      InitWindowInterfaceV2(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kVideoInterfaceV0_ANPGetValue: {
+      LOG("get video interface V0");
+      return NPERR_GENERIC_ERROR;
+    }
+
+    case kVideoInterfaceV1_ANPGetValue: {
+      LOG("get video interface V1");
+      ANPVideoInterfaceV1 *i = (ANPVideoInterfaceV1*) result;
+      InitVideoInterfaceV1(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kSystemInterfaceV1_ANPGetValue: {
+      LOG("get system interface v1");
+      ANPSystemInterfaceV1* i = reinterpret_cast<ANPSystemInterfaceV1*>(result);
+      InitSystemInterfaceV1(i);
+      return NPERR_NO_ERROR;
+    }
+
+    case kSystemInterfaceV2_ANPGetValue: {
+      LOG("get system interface v2");
+      ANPSystemInterfaceV2* i = reinterpret_cast<ANPSystemInterfaceV2*>(result);
+      InitSystemInterfaceV2(i);
+      return NPERR_NO_ERROR;
+    }
+#endif
+
+  // we no longer hand out any XPCOM objects
+  case NPNVDOMElement:
+  case NPNVDOMWindow:
+  case NPNVserviceManager:
+    // old XPCOM objects, no longer supported, but null out the out
+    // param to avoid crashing plugins that still try to use this.
+    *(nsISupports**)result = nullptr;
+    MOZ_FALLTHROUGH;
+
+  default:
+    NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_getvalue unhandled get value: %d\n", variable));
+    return NPERR_GENERIC_ERROR;
+  }
+}
+
+NPError
+_setvalue(NPP npp, NPPVariable variable, void *result)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setvalue called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_SetValue: npp=%p, var=%d\n",
+                                     (void*)npp, (int)variable));
+
+  if (!npp)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *) npp->ndata;
+
+  NS_ASSERTION(inst, "null instance");
+
+  if (!inst)
+    return NPERR_INVALID_INSTANCE_ERROR;
+
+  PluginDestructionGuard guard(inst);
+
+  // Cast NPNVariable enum to int to avoid warnings about including switch
+  // cases for android_npapi.h's non-standard ANPInterface values.
+  switch (static_cast<int>(variable)) {
+
+    // we should keep backward compatibility with NPAPI where the
+    // actual pointer value is checked rather than its content
+    // when passing booleans
+    case NPPVpluginWindowBool: {
+#ifdef XP_MACOSX
+      // This setting doesn't apply to OS X (only to Windows and Unix/Linux).
+      // See https://developer.mozilla.org/En/NPN_SetValue#section_5.  Return
+      // NPERR_NO_ERROR here to conform to other browsers' behavior on OS X
+      // (e.g. Safari and Opera).
+      return NPERR_NO_ERROR;
+#else
+      NPBool bWindowless = (result == nullptr);
+      return inst->SetWindowless(bWindowless);
+#endif
+    }
+    case NPPVpluginTransparentBool: {
+      NPBool bTransparent = (result != nullptr);
+      return inst->SetTransparent(bTransparent);
+    }
+
+    case NPPVjavascriptPushCallerBool: {
+      return NPERR_NO_ERROR;
+    }
+
+    case NPPVpluginKeepLibraryInMemory: {
+      NPBool bCached = (result != nullptr);
+      inst->SetCached(bCached);
+      return NPERR_NO_ERROR;
+    }
+
+    case NPPVpluginUsesDOMForCursorBool: {
+      bool useDOMForCursor = (result != nullptr);
+      return inst->SetUsesDOMForCursor(useDOMForCursor);
+    }
+
+    case NPPVpluginIsPlayingAudio: {
+      bool isMuted = !result;
+
+      nsNPAPIPluginInstance* inst = (nsNPAPIPluginInstance*) npp->ndata;
+      MOZ_ASSERT(inst);
+
+      if (isMuted && !inst->HasAudioChannelAgent()) {
+        return NPERR_NO_ERROR;
+      }
+
+      nsCOMPtr<nsIAudioChannelAgent> agent;
+      nsresult rv = inst->GetOrCreateAudioChannelAgent(getter_AddRefs(agent));
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        return NPERR_NO_ERROR;
+      }
+
+      MOZ_ASSERT(agent);
+
+      if (isMuted) {
+        rv = agent->NotifyStoppedPlaying();
+        if (NS_WARN_IF(NS_FAILED(rv))) {
+          return NPERR_NO_ERROR;
+        }
+      } else {
+
+        dom::AudioPlaybackConfig config;
+        rv = agent->NotifyStartedPlaying(&config,
+                                         dom::AudioChannelService::AudibleState::eAudible);
+        if (NS_WARN_IF(NS_FAILED(rv))) {
+          return NPERR_NO_ERROR;
+        }
+
+        rv = inst->WindowVolumeChanged(config.mVolume, config.mMuted);
+        if (NS_WARN_IF(NS_FAILED(rv))) {
+          return NPERR_NO_ERROR;
+        }
+
+        // Since we only support for muting now, the implementation of suspend
+        // is equal to muting. Therefore, if we have already muted the plugin,
+        // then we don't need to call WindowSuspendChanged() again.
+        if (config.mMuted) {
+          return NPERR_NO_ERROR;
+        }
+
+        rv = inst->WindowSuspendChanged(config.mSuspend);
+        if (NS_WARN_IF(NS_FAILED(rv))) {
+          return NPERR_NO_ERROR;
+        }
+      }
+
+      return NPERR_NO_ERROR;
+    }
+
+#ifndef MOZ_WIDGET_ANDROID
+    // On android, their 'drawing model' uses the same constant!
+    case NPPVpluginDrawingModel: {
+      if (inst) {
+        inst->SetDrawingModel((NPDrawingModel)NS_PTR_TO_INT32(result));
+        return NPERR_NO_ERROR;
+      }
+      else {
+        return NPERR_GENERIC_ERROR;
+      }
+    }
+#endif
+
+#ifdef XP_MACOSX
+    case NPPVpluginEventModel: {
+      if (inst) {
+        inst->SetEventModel((NPEventModel)NS_PTR_TO_INT32(result));
+        return NPERR_NO_ERROR;
+      }
+      else {
+        return NPERR_GENERIC_ERROR;
+      }
+    }
+#endif
+#ifdef MOZ_WIDGET_ANDROID
+  case kRequestDrawingModel_ANPSetValue:
+    if (inst)
+      inst->SetANPDrawingModel(NS_PTR_TO_INT32(result));
+    return NPERR_NO_ERROR;
+  case kAcceptEvents_ANPSetValue:
+    return NPERR_NO_ERROR;
+#endif
+    default:
+      return NPERR_GENERIC_ERROR;
+  }
+}
+
+NPError
+_requestread(NPStream *pstream, NPByteRange *rangeList)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_requestread called from the wrong thread\n"));
+    return NPERR_INVALID_PARAM;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_RequestRead: stream=%p\n",
+                                     (void*)pstream));
+
+#ifdef PLUGIN_LOGGING
+  for(NPByteRange * range = rangeList; range != nullptr; range = range->next)
+    MOZ_LOG(nsPluginLogging::gNPNLog,PLUGIN_LOG_NOISY,
+    ("%i-%i", range->offset, range->offset + range->length - 1));
+
+  MOZ_LOG(nsPluginLogging::gNPNLog,PLUGIN_LOG_NOISY, ("\n\n"));
+  PR_LogFlush();
+#endif
+
+  if (!pstream || !rangeList || !pstream->ndata)
+    return NPERR_INVALID_PARAM;
+
+  nsNPAPIStreamWrapper* streamWrapper = static_cast<nsNPAPIStreamWrapper*>(pstream->ndata);
+  nsNPAPIPluginStreamListener* streamlistener = streamWrapper->GetStreamListener();
+  if (!streamlistener) {
+    return NPERR_GENERIC_ERROR;
+  }
+
+  int32_t streamtype = NP_NORMAL;
+
+  streamlistener->GetStreamType(&streamtype);
+
+  if (streamtype != NP_SEEK)
+    return NPERR_STREAM_NOT_SEEKABLE;
+
+  if (!streamlistener->mStreamListenerPeer)
+    return NPERR_GENERIC_ERROR;
+
+  nsresult rv = streamlistener->mStreamListenerPeer->RequestRead((NPByteRange *)rangeList);
+  if (NS_FAILED(rv))
+    return NPERR_GENERIC_ERROR;
+
+  return NPERR_NO_ERROR;
+}
+
+// Deprecated, only stubbed out
+void* /* OJI type: JRIEnv* */
+_getJavaEnv()
+{
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_GetJavaEnv\n"));
+  return nullptr;
+}
+
+const char *
+_useragent(NPP npp)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_useragent called from the wrong thread\n"));
+    return nullptr;
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_UserAgent: npp=%p\n", (void*)npp));
+
+  nsCOMPtr<nsIPluginHost> pluginHostCOM(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
+  nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
+  if (!pluginHost) {
+    return nullptr;
+  }
+
+  const char *retstr;
+  nsresult rv = pluginHost->UserAgent(&retstr);
+  if (NS_FAILED(rv))
+    return nullptr;
+
+  return retstr;
+}
+
+void *
+_memalloc (uint32_t size)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL,("NPN_memalloc called from the wrong thread\n"));
+  }
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY, ("NPN_MemAlloc: size=%d\n", size));
+  return moz_xmalloc(size);
+}
+
+// Deprecated, only stubbed out
+void* /* OJI type: jref */
+_getJavaPeer(NPP npp)
+{
+  NPN_PLUGIN_LOG(PLUGIN_LOG_NORMAL, ("NPN_GetJavaPeer: npp=%p\n", (void*)npp));
+  return nullptr;
+}
+
+void
+_pushpopupsenabledstate(NPP npp, NPBool enabled)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_pushpopupsenabledstate called from the wrong thread\n"));
+    return;
+  }
+  nsNPAPIPluginInstance *inst = npp ? (nsNPAPIPluginInstance *)npp->ndata : nullptr;
+  if (!inst)
+    return;
+
+  inst->PushPopupsEnabledState(enabled);
+}
+
+void
+_poppopupsenabledstate(NPP npp)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_poppopupsenabledstate called from the wrong thread\n"));
+    return;
+  }
+  nsNPAPIPluginInstance *inst = npp ? (nsNPAPIPluginInstance *)npp->ndata : nullptr;
+  if (!inst)
+    return;
+
+  inst->PopPopupsEnabledState();
+}
+
+void
+_pluginthreadasynccall(NPP instance, PluginThreadCallback func, void *userData)
+{
+  if (NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,("NPN_pluginthreadasynccall called from the main thread\n"));
+  } else {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_NOISY,("NPN_pluginthreadasynccall called from a non main thread\n"));
+  }
+  RefPtr<nsPluginThreadRunnable> evt =
+    new nsPluginThreadRunnable(instance, func, userData);
+
+  if (evt && evt->IsValid()) {
+    NS_DispatchToMainThread(evt);
+  }
+}
+
+NPError
+_getvalueforurl(NPP instance, NPNURLVariable variable, const char *url,
+                char **value, uint32_t *len)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getvalueforurl called from the wrong thread\n"));
+    return NPERR_GENERIC_ERROR;
+  }
+
+  if (!instance) {
+    return NPERR_INVALID_PARAM;
+  }
+
+  if (!url || !*url || !len) {
+    return NPERR_INVALID_URL;
+  }
+
+  *len = 0;
+
+  switch (variable) {
+  case NPNURLVProxy:
+    {
+      nsCOMPtr<nsIPluginHost> pluginHostCOM(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID));
+      nsPluginHost *pluginHost = static_cast<nsPluginHost*>(pluginHostCOM.get());
+      if (pluginHost && NS_SUCCEEDED(pluginHost->FindProxyForURL(url, value))) {
+        *len = *value ? strlen(*value) : 0;
+        return NPERR_NO_ERROR;
+      }
+      break;
+    }
+  case NPNURLVCookie:
+    {
+      nsCOMPtr<nsICookieService> cookieService =
+        do_GetService(NS_COOKIESERVICE_CONTRACTID);
+
+      if (!cookieService)
+        return NPERR_GENERIC_ERROR;
+
+      // Make an nsURI from the url argument
+      nsCOMPtr<nsIURI> uri;
+      if (NS_FAILED(NS_NewURI(getter_AddRefs(uri), nsDependentCString(url)))) {
+        return NPERR_GENERIC_ERROR;
+      }
+
+      nsCOMPtr<nsIChannel> channel = GetChannelFromNPP(instance);
+
+      if (NS_FAILED(cookieService->GetCookieString(uri, channel, value)) ||
+          !*value) {
+        return NPERR_GENERIC_ERROR;
+      }
+
+      *len = strlen(*value);
+      return NPERR_NO_ERROR;
+    }
+
+  default:
+    // Fall through and return an error...
+    ;
+  }
+
+  return NPERR_GENERIC_ERROR;
+}
+
+NPError
+_setvalueforurl(NPP instance, NPNURLVariable variable, const char *url,
+                const char *value, uint32_t len)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_setvalueforurl called from the wrong thread\n"));
+    return NPERR_GENERIC_ERROR;
+  }
+
+  if (!instance) {
+    return NPERR_INVALID_PARAM;
+  }
+
+  if (!url || !*url) {
+    return NPERR_INVALID_URL;
+  }
+
+  switch (variable) {
+  case NPNURLVCookie:
+    {
+      if (!value || 0 == len)
+        return NPERR_INVALID_PARAM;
+
+      nsresult rv = NS_ERROR_FAILURE;
+      nsCOMPtr<nsIIOService> ioService(do_GetService(NS_IOSERVICE_CONTRACTID, &rv));
+      if (NS_FAILED(rv))
+        return NPERR_GENERIC_ERROR;
+
+      nsCOMPtr<nsICookieService> cookieService = do_GetService(NS_COOKIESERVICE_CONTRACTID, &rv);
+      if (NS_FAILED(rv))
+        return NPERR_GENERIC_ERROR;
+
+      nsCOMPtr<nsIURI> uriIn;
+      rv = ioService->NewURI(nsDependentCString(url), nullptr, nullptr, getter_AddRefs(uriIn));
+      if (NS_FAILED(rv))
+        return NPERR_GENERIC_ERROR;
+
+      nsCOMPtr<nsIChannel> channel = GetChannelFromNPP(instance);
+
+      char *cookie = (char*)value;
+      char c = cookie[len];
+      cookie[len] = '\0';
+      rv = cookieService->SetCookieString(uriIn, nullptr, cookie, channel);
+      cookie[len] = c;
+      if (NS_SUCCEEDED(rv))
+        return NPERR_NO_ERROR;
+    }
+
+    break;
+  case NPNURLVProxy:
+    // We don't support setting proxy values, fall through...
+  default:
+    // Fall through and return an error...
+    ;
+  }
+
+  return NPERR_GENERIC_ERROR;
+}
+
+NPError
+_getauthenticationinfo(NPP instance, const char *protocol, const char *host,
+                       int32_t port, const char *scheme, const char *realm,
+                       char **username, uint32_t *ulen, char **password,
+                       uint32_t *plen)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_getauthenticationinfo called from the wrong thread\n"));
+    return NPERR_GENERIC_ERROR;
+  }
+
+  if (!instance || !protocol || !host || !scheme || !realm || !username ||
+      !ulen || !password || !plen)
+    return NPERR_INVALID_PARAM;
+
+  *username = nullptr;
+  *password = nullptr;
+  *ulen = 0;
+  *plen = 0;
+
+  nsDependentCString proto(protocol);
+
+  if (!proto.LowerCaseEqualsLiteral("http") &&
+      !proto.LowerCaseEqualsLiteral("https"))
+    return NPERR_GENERIC_ERROR;
+
+  nsCOMPtr<nsIHttpAuthManager> authManager =
+    do_GetService("@mozilla.org/network/http-auth-manager;1");
+  if (!authManager)
+    return NPERR_GENERIC_ERROR;
+
+  nsNPAPIPluginInstance *inst = static_cast<nsNPAPIPluginInstance*>(instance->ndata);
+  if (!inst)
+    return NPERR_GENERIC_ERROR;
+
+  bool authPrivate = false;
+  if (NS_FAILED(inst->IsPrivateBrowsing(&authPrivate)))
+    return NPERR_GENERIC_ERROR;
+
+  nsIDocument *doc = GetDocumentFromNPP(instance);
+  NS_ENSURE_TRUE(doc, NPERR_GENERIC_ERROR);
+  nsIPrincipal *principal = doc->NodePrincipal();
+
+  nsAutoString unused, uname16, pwd16;
+  if (NS_FAILED(authManager->GetAuthIdentity(proto, nsDependentCString(host),
+                                             port, nsDependentCString(scheme),
+                                             nsDependentCString(realm),
+                                             EmptyCString(), unused, uname16,
+                                             pwd16, authPrivate, principal))) {
+    return NPERR_GENERIC_ERROR;
+  }
+
+  NS_ConvertUTF16toUTF8 uname8(uname16);
+  NS_ConvertUTF16toUTF8 pwd8(pwd16);
+
+  *username = ToNewCString(uname8);
+  *ulen = *username ? uname8.Length() : 0;
+
+  *password = ToNewCString(pwd8);
+  *plen = *password ? pwd8.Length() : 0;
+
+  return NPERR_NO_ERROR;
+}
+
+uint32_t
+_scheduletimer(NPP instance, uint32_t interval, NPBool repeat, PluginTimerFunc timerFunc)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_scheduletimer called from the wrong thread\n"));
+    return 0;
+  }
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+  if (!inst)
+    return 0;
+
+  return inst->ScheduleTimer(interval, repeat, timerFunc);
+}
+
+void
+_unscheduletimer(NPP instance, uint32_t timerID)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_unscheduletimer called from the wrong thread\n"));
+    return;
+  }
+
+#ifdef MOZ_WIDGET_ANDROID
+  // Sometimes Flash calls this with a dead NPP instance. Ensure the one we have
+  // here is valid and maps to a nsNPAPIPluginInstance.
+  nsNPAPIPluginInstance *inst = nsNPAPIPluginInstance::GetFromNPP(instance);
+#else
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+#endif
+  if (!inst)
+    return;
+
+  inst->UnscheduleTimer(timerID);
+}
+
+NPError
+_popupcontextmenu(NPP instance, NPMenu* menu)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_popupcontextmenu called from the wrong thread\n"));
+    return 0;
+  }
+
+#ifdef MOZ_WIDGET_COCOA
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+
+  double pluginX, pluginY;
+  double screenX, screenY;
+
+  const NPCocoaEvent* currentEvent = static_cast<NPCocoaEvent*>(inst->GetCurrentEvent());
+  if (!currentEvent) {
+    return NPERR_GENERIC_ERROR;
+  }
+
+  // Ensure that the events has an x/y value.
+  if (currentEvent->type != NPCocoaEventMouseDown    &&
+      currentEvent->type != NPCocoaEventMouseUp      &&
+      currentEvent->type != NPCocoaEventMouseMoved   &&
+      currentEvent->type != NPCocoaEventMouseEntered &&
+      currentEvent->type != NPCocoaEventMouseExited  &&
+      currentEvent->type != NPCocoaEventMouseDragged) {
+      return NPERR_GENERIC_ERROR;
+  }
+
+  pluginX = currentEvent->data.mouse.pluginX;
+  pluginY = currentEvent->data.mouse.pluginY;
+
+  if ((pluginX < 0.0) || (pluginY < 0.0))
+    return NPERR_GENERIC_ERROR;
+
+  NPBool success = _convertpoint(instance,
+                                 pluginX,  pluginY, NPCoordinateSpacePlugin,
+                                 &screenX, &screenY, NPCoordinateSpaceScreen);
+
+  if (success) {
+    return mozilla::plugins::PluginUtilsOSX::ShowCocoaContextMenu(menu,
+                                    screenX, screenY,
+                                    nullptr,
+                                    nullptr);
+  } else {
+    NS_WARNING("Convertpoint failed, could not created contextmenu.");
+    return NPERR_GENERIC_ERROR;
+  }
+#else
+    NS_WARNING("Not supported on this platform!");
+    return NPERR_GENERIC_ERROR;
+#endif
+}
+
+NPBool
+_convertpoint(NPP instance, double sourceX, double sourceY, NPCoordinateSpace sourceSpace, double *destX, double *destY, NPCoordinateSpace destSpace)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_convertpoint called from the wrong thread\n"));
+    return 0;
+  }
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+  if (!inst)
+    return false;
+
+  return inst->ConvertPoint(sourceX, sourceY, sourceSpace, destX, destY, destSpace);
+}
+
+void
+_urlredirectresponse(NPP instance, void* notifyData, NPBool allow)
+{
+  if (!NS_IsMainThread()) {
+    NPN_PLUGIN_LOG(PLUGIN_LOG_ALWAYS,("NPN_convertpoint called from the wrong thread\n"));
+    return;
+  }
+
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+  if (!inst) {
+    return;
+  }
+
+  inst->URLRedirectResponse(notifyData, allow);
+}
+
+NPError
+_initasyncsurface(NPP instance, NPSize *size, NPImageFormat format, void *initData, NPAsyncSurface *surface)
+{
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+  if (!inst) {
+    return NPERR_GENERIC_ERROR;
+  }
+
+  return inst->InitAsyncSurface(size, format, initData, surface);
+}
+
+NPError
+_finalizeasyncsurface(NPP instance, NPAsyncSurface *surface)
+{
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+  if (!inst) {
+    return NPERR_GENERIC_ERROR;
+  }
+
+  return inst->FinalizeAsyncSurface(surface);
+}
+
+void
+_setcurrentasyncsurface(NPP instance, NPAsyncSurface *surface, NPRect *changed)
+{
+  nsNPAPIPluginInstance *inst = (nsNPAPIPluginInstance *)instance->ndata;
+  if (!inst) {
+    return;
+  }
+
+  inst->SetCurrentAsyncSurface(surface, changed);
+}
+
+} /* namespace parent */
+} /* namespace plugins */
+} /* namespace mozilla */