Subrect snapshot support.

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 "base/compiler_specific.h"
@@ skipping 133 matching lines @@
   void SetContentViewCore(ContentViewCoreImpl* content_view_core);
   SkColor GetCachedBackgroundColor() const;
   void SendKeyEvent(const NativeWebKeyboardEvent& event);
   void SendTouchEvent(const WebKit::WebTouchEvent& event);
   void SendMouseEvent(const WebKit::WebMouseEvent& event);
   void SendMouseWheelEvent(const WebKit::WebMouseWheelEvent& event);
   void SendGestureEvent(const WebKit::WebGestureEvent& event);
 
   int GetNativeImeAdapter();
 
-  WebKit::WebGLId GetScaledContentTexture(const gfx::Size& size);
+  WebKit::WebGLId GetScaledContentTexture(const gfx::Size& size,
+                                          const gfx::Rect& src_rect);
   bool PopulateBitmapWithContents(jobject jbitmap);
 
   bool HasValidFrame() const;
 
   // Select all text between the given coordinates.
   void SelectRange(const gfx::Point& start, const gfx::Point& end);
 
  private:
   // The model object.
   RenderWidgetHostImpl* host_;
@@ skipping 34 matching lines @@
 
   // The identifier of the previously received frame
   uint64 current_buffer_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_