Very basic Android browser-side compositing support.

content/browser/android/graphics_context.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_PUBLIC_BROWSER_ANDROID_GRAPHICS_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_GRAPHICS_CONTEXT_H_
 
 #include "ui/gfx/native_widget_types.h"
 
 struct ANativeWindow;
 
 namespace WebKit {
 class WebGraphicsContext3D;
 }
 
 namespace content {
 
 class GraphicsContext {
  public:
   virtual ~GraphicsContext() { }
 
-  // Create a UI graphics context that renders to the given surface.
+  // Create and returns a graphics context on the caller's thread and
+  // also creates an image transport surface associated with the given
+  // parent window.
   static GraphicsContext* CreateForUI(ANativeWindow* ui_window);
 
   virtual WebKit::WebGraphicsContext3D* GetContext3D() = 0;

[klobag.chromium, 2012/08/22 07:01:19]

Who is calling this one now?

[no sievers, 2012/08/22 21:17:40]

removed
On 2012/08/22 07:01:19, klobag.chromium wrote:

   virtual uint32 InsertSyncPoint() = 0;
+
+  virtual int GetSurfaceID() = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_GRAPHICS_CONTEXT_H_