Upstream: GL implementation on Android

ui/gfx/gl/gl_surface_egl.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_GFX_GL_GL_SURFACE_EGL_H_
 #define UI_GFX_GL_GL_SURFACE_EGL_H_
 #pragma once
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
 #include "ui/gfx/gl/gl_surface.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
 typedef void* EGLConfig;
 typedef void* EGLDisplay;
 typedef void* EGLSurface;
 
-#if defined(OS_WIN)
+#if defined(OS_ANDROID)
+typedef void* EGLNativeDisplayType;
+#elif defined(OS_WIN)
 typedef HDC EGLNativeDisplayType;
 #elif defined(USE_WAYLAND)
 typedef struct wl_display* EGLNativeDisplayType;
 #else
 typedef struct _XDisplay* EGLNativeDisplayType;
 #endif
 
 namespace gfx {
 
 // Interface for EGL surface.
@@ skipping 61 matching lines @@
  private:
   gfx::Size size_;
   EGLSurface surface_;
 
   DISALLOW_COPY_AND_ASSIGN(PbufferGLSurfaceEGL);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GL_GL_SURFACE_EGL_H_