Add GL surface creation for Android.

content/browser/gpu/gpu_surface_tracker.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 CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_
 #define CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/memory/singleton.h"
 #include "base/synchronization/lock.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/size.h"
 
+#if defined(OS_ANDROID)
+gfx::AcceleratedWidget GetNativeWidgetAndroid(int surface_id);
+#endif
+
 // This class is responsible for managing rendering surfaces exposed to the
 // GPU process. Every surface gets registered to this class, and gets an ID.
 // All calls to and from the GPU process, with the exception of
 // CreateViewCommandBuffer, refer to the rendering surface by its ID.
 // This class is thread safe.
 //
 // Note: The ID can exist before the actual native handle for the surface is
 // created, for example to allow giving a reference to it to a renderer, so that
 // it is unamibiguously identified.
 class GpuSurfaceTracker {
  public:
   // Gets the global instance of the surface tracker.
   static GpuSurfaceTracker* Get() { return GetInstance(); }
 
   // Adds a surface for a given RenderWidgetHost. |renderer_id| is the renderer
   // process ID, |render_widget_id| is the RenderWidgetHost route id within that
   // renderer. Returns the surface ID.
   int AddSurfaceForRenderer(int renderer_id, int render_widget_id);
 
   // Looks up a surface for a given RenderWidgetHost. Returns the surface
   // ID, or 0 if not found.
   // Note: This is an O(N) lookup.
   int LookupSurfaceForRenderer(int renderer_id, int render_widget_id);
 
   // Adds a surface for a native widget. Returns the surface ID.
   int AddSurfaceForNativeWidget(gfx::AcceleratedWidget widget);
 
+  // Returns the native widget associated with a given surface_id.
+  gfx::AcceleratedWidget GetNativeWidget(int surface_id);
+
   // Removes a given existing surface.
   void RemoveSurface(int surface_id);
 
   // Gets the renderer process ID and RenderWidgetHost route id for a given
   // surface, returning true if the surface is found (and corresponds to a
   // RenderWidgetHost), or false if not.
   bool GetRenderWidgetIDForSurface(int surface_id,
                                    int* renderer_id,
                                    int* render_widget_id);
 
@@ skipping 28 matching lines @@
   ~GpuSurfaceTracker();
 
   base::Lock lock_;
   SurfaceMap surface_map_;
   int next_surface_id_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuSurfaceTracker);
 };
 
 #endif  // CONTENT_BROWSER_GPU_GPU_SURFACE_TRACKER_H_