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diff --git a/gfx/angle/src/libANGLE/Display.h b/gfx/angle/src/libANGLE/Display.h
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+++ b/gfx/angle/src/libANGLE/Display.h
@@ -0,0 +1,167 @@
+//
+// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Display.h: Defines the egl::Display class, representing the abstract
+// display on which graphics are drawn. Implements EGLDisplay.
+// [EGL 1.4] section 2.1.2 page 3.
+
+#ifndef LIBANGLE_DISPLAY_H_
+#define LIBANGLE_DISPLAY_H_
+
+#include <set>
+#include <vector>
+
+#include "libANGLE/AttributeMap.h"
+#include "libANGLE/Caps.h"
+#include "libANGLE/Config.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Version.h"
+
+namespace gl
+{
+class Context;
+}
+
+namespace rx
+{
+class DisplayImpl;
+}
+
+namespace egl
+{
+class Device;
+class Image;
+class Surface;
+class Stream;
+
+class Display final : angle::NonCopyable
+{
+  public:
+    ~Display();
+
+    Error initialize();
+    void terminate();
+
+    static egl::Display *GetDisplayFromDevice(void *native_display);
+    static egl::Display *GetDisplayFromAttribs(void *native_display, const AttributeMap &attribMap);
+
+    static const ClientExtensions &getClientExtensions();
+    static const std::string &getClientExtensionString();
+
+    std::vector<const Config*> getConfigs(const egl::AttributeMap &attribs) const;
+    bool getConfigAttrib(const Config *configuration, EGLint attribute, EGLint *value);
+
+    Error createWindowSurface(const Config *configuration, EGLNativeWindowType window, const AttributeMap &attribs,
+                              Surface **outSurface);
+    Error createPbufferSurface(const Config *configuration, const AttributeMap &attribs, Surface **outSurface);
+    Error createPbufferFromClientBuffer(const Config *configuration,
+                                        EGLenum buftype,
+                                        EGLClientBuffer clientBuffer,
+                                        const AttributeMap &attribs,
+                                        Surface **outSurface);
+    Error createPixmapSurface(const Config *configuration, NativePixmapType nativePixmap, const AttributeMap &attribs,
+                              Surface **outSurface);
+
+    Error createImage(gl::Context *context,
+                      EGLenum target,
+                      EGLClientBuffer buffer,
+                      const AttributeMap &attribs,
+                      Image **outImage);
+
+    Error createStream(const AttributeMap &attribs, Stream **outStream);
+
+    Error createContext(const Config *configuration, gl::Context *shareContext, const AttributeMap &attribs,
+                        gl::Context **outContext);
+
+    Error makeCurrent(egl::Surface *drawSurface, egl::Surface *readSurface, gl::Context *context);
+
+    void destroySurface(egl::Surface *surface);
+    void destroyImage(egl::Image *image);
+    void destroyStream(egl::Stream *stream);
+    void destroyContext(gl::Context *context);
+
+    bool isInitialized() const;
+    bool isValidConfig(const Config *config) const;
+    bool isValidContext(const gl::Context *context) const;
+    bool isValidSurface(const egl::Surface *surface) const;
+    bool isValidImage(const Image *image) const;
+    bool isValidStream(const Stream *stream) const;
+    bool isValidNativeWindow(EGLNativeWindowType window) const;
+
+    Error validateClientBuffer(const Config *configuration,
+                               EGLenum buftype,
+                               EGLClientBuffer clientBuffer,
+                               const AttributeMap &attribs);
+
+    static bool isValidDisplay(const egl::Display *display);
+    static bool isValidNativeDisplay(EGLNativeDisplayType display);
+    static bool hasExistingWindowSurface(EGLNativeWindowType window);
+
+    bool isDeviceLost() const;
+    bool testDeviceLost();
+    void notifyDeviceLost();
+
+    Error waitClient() const;
+    Error waitNative(EGLint engine, egl::Surface *drawSurface, egl::Surface *readSurface) const;
+
+    const Caps &getCaps() const;
+
+    const DisplayExtensions &getExtensions() const;
+    const std::string &getExtensionString() const;
+    const std::string &getVendorString() const;
+
+    const AttributeMap &getAttributeMap() const { return mAttributeMap; }
+    EGLNativeDisplayType getNativeDisplayId() const { return mDisplayId; }
+
+    rx::DisplayImpl *getImplementation() { return mImplementation; }
+    Device *getDevice() const;
+    EGLenum getPlatform() const { return mPlatform; }
+
+    gl::Version getMaxSupportedESVersion() const;
+
+  private:
+    Display(EGLenum platform, EGLNativeDisplayType displayId, Device *eglDevice);
+
+    void setAttributes(rx::DisplayImpl *impl, const AttributeMap &attribMap);
+
+    Error restoreLostDevice();
+
+    void initDisplayExtensions();
+    void initVendorString();
+
+    rx::DisplayImpl *mImplementation;
+
+    EGLNativeDisplayType mDisplayId;
+    AttributeMap mAttributeMap;
+
+    ConfigSet mConfigSet;
+
+    typedef std::set<gl::Context*> ContextSet;
+    ContextSet mContextSet;
+
+    typedef std::set<Image *> ImageSet;
+    ImageSet mImageSet;
+
+    typedef std::set<Stream *> StreamSet;
+    StreamSet mStreamSet;
+
+    bool mInitialized;
+    bool mDeviceLost;
+
+    Caps mCaps;
+
+    DisplayExtensions mDisplayExtensions;
+    std::string mDisplayExtensionString;
+
+    std::string mVendorString;
+
+    Device *mDevice;
+    EGLenum mPlatform;
+};
+
+}
+
+#endif   // LIBANGLE_DISPLAY_H_