Implement transform/clip support for Android WebView.

content/renderer/android/synchronous_compositor_output_surface.h

 // Copyright (c) 2013 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_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
 #define CONTENT_RENDERER_ANDOIRD_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 35 matching lines @@
   virtual bool DemandDrawSw(SkCanvas* canvas) OVERRIDE;
   virtual bool DemandDrawHw(
       gfx::Size view_size,
       const gfx::Transform& transform,
       gfx::Rect clip) OVERRIDE;
 
  private:
   class SoftwareDevice;
   friend class SoftwareDevice;
 
-  void InvokeComposite(const gfx::Transform& transform, gfx::Rect damage_area);
+  void InvokeComposite(gfx::Size damage_size);
   void UpdateCompositorClientSettings();
   void NotifyCompositorSettingsChanged();
   bool CalledOnValidThread() const;
 
   SynchronousCompositorClient* compositor_client_;
   int routing_id_;
   bool needs_begin_frame_;
   bool did_swap_buffer_;
 
   // Only valid (non-NULL) during a DemandDrawSw() call.
   SkCanvas* current_sw_canvas_;
 
   DISALLOW_COPY_AND_ASSIGN(SynchronousCompositorOutputSurface);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_OUTPUT_SURFACE_H_