Implement OSMesa image transport for TOUCH_UI builds

chrome/browser/renderer_host/accelerated_surface_container_touch.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 CHROME_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_TOUCH_H_
 #define CHROME_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_TOUCH_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "ui/gfx/compositor/compositor_gl.h"
+#include "ui/gfx/surface/transport_dib.h"
 
 // Helper class for storing image data from the GPU process renderered
 // on behalf of the RWHVV. It assumes that GL context that will display
 // the image data is current  when an instance of this object is created
 // or destroyed.
 class AcceleratedSurfaceContainerTouch : public ui::TextureGL {
  public:
   static AcceleratedSurfaceContainerTouch* CreateAcceleratedSurfaceContainer(
-      const gfx::Size& size,
-      uint64 surface_handle);
+      const gfx::Size& size);
 
   // TextureGL implementation
   virtual void SetCanvas(const SkCanvas& canvas,
                          const gfx::Point& origin,
                          const gfx::Size& overall_size) OVERRIDE;
 
+  // Initialize the surface container, and returns an ID for it.
+  // The |surface_id| given to this function may be modified, and the returned

[sky, 2011/09/21 21:39:55]

This sentence looks wrong. The return value is a bool.

+  // value should be used to identify the object.
+  virtual bool Initialize(uint64 *surface_id) = 0;

[sky, 2011/09/21 21:39:55]

'uint64 *surface_id' -> 'uint64* surface_id'

+
+  // Some implementations of this class use shared memory, this the handle

[sky, 2011/09/21 21:39:55]

'this the' -> 'this is the' ?

+  // to the shared buffer, which is part of the surface container.
+  virtual TransportDIB::Handle handle() const;

[sky, 2011/09/21 21:39:55]

Don't use unix_hacker_style for virtual methods.

+
  protected:
   explicit AcceleratedSurfaceContainerTouch(const gfx::Size& size);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AcceleratedSurfaceContainerTouch);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_ACCELERATED_SURFACE_CONTAINER_TOUCH_H_