Adds support for capturing a sub rect of the compositing surface.

content/browser/renderer_host/render_widget_host_view_android.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_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_
 
 #include <map>
 #include <queue>
 
@@ skipping 209 matching lines @@
   void LockResources();
   void UnlockResources();
 
   int GetNativeImeAdapter();
 
   void WasResized();
 
   void GetScaledContentBitmap(
       float scale,
       SkBitmap::Config bitmap_config,
+      gfx::Rect src_subrect,
       const base::Callback<void(bool, const SkBitmap&)>& result_callback);
-  bool PopulateBitmapWithContents(jobject jbitmap);
 
   bool HasValidFrame() const;
 
   // Select all text between the given coordinates.
   void SelectRange(const gfx::Point& start, const gfx::Point& end);
 
   void MoveCaret(const gfx::Point& point);
 
   // Returns true when animation ticks are still needed. This avoids a separate
   // round-trip for requesting follow-up animation.
@@ skipping 114 matching lines @@
   scoped_ptr<DelegatedFrameEvictor> frame_evictor_;
 
   bool using_delegated_renderer_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_