Make NativeViewGLSurfaceEGL directly usable on Android.

ui/gfx/native_widget_types.h

 // Copyright (c) 2012 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_NATIVE_WIDGET_TYPES_H_
 #define UI_GFX_NATIVE_WIDGET_TYPES_H_
 
 #include "build/build_config.h"
 
 #if defined(OS_ANDROID)
@@ skipping 69 matching lines @@
 #endif
 
 #if defined(TOOLKIT_GTK)
 typedef struct _GdkCursor GdkCursor;
 typedef union _GdkEvent GdkEvent;
 typedef struct _GdkPixbuf GdkPixbuf;
 typedef struct _GdkRegion GdkRegion;
 typedef struct _GtkWidget GtkWidget;
 typedef struct _GtkWindow GtkWindow;
 #elif defined(OS_ANDROID)
+struct ANativeWindow;
 namespace content {
 class ContentViewCore;
 }
 #endif
 class SkBitmap;
 
 namespace gfx {
 
 #if defined(USE_AURA)
 typedef ui::Cursor NativeCursor;
@@ skipping 173 matching lines @@
 #if defined(OS_WIN)
 typedef HWND AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = NULL;
 #elif defined(USE_X11)
 typedef unsigned long AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #elif defined(OS_MACOSX)
 typedef NSView* AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #elif defined(OS_ANDROID)
-typedef uint64 AcceleratedWidget;
+typedef ANativeWindow* AcceleratedWidget;
 const AcceleratedWidget kNullAcceleratedWidget = 0;
 #else
 #error unknown platform
 #endif
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_WIDGET_TYPES_H_