Pass the overdraw value to the browser w/ frame

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/callback.h"
@@ skipping 132 matching lines @@
   virtual void UnlockMouse() OVERRIDE;
   virtual void HasTouchEventHandlers(bool need_touch_events) OVERRIDE;
   virtual void OnSwapCompositorFrame(
       scoped_ptr<cc::CompositorFrame> frame) OVERRIDE;
   virtual void UpdateFrameInfo(const gfx::Vector2dF& scroll_offset,
                                float page_scale_factor,
                                const gfx::Vector2dF& page_scale_factor_limits,
                                const gfx::SizeF& content_size,
                                const gfx::SizeF& viewport_size,
                                const gfx::Vector2dF& controls_offset,
-                               const gfx::Vector2dF& content_offset) OVERRIDE;
+                               const gfx::Vector2dF& content_offset,
+                               float overdraw_bottom_height) OVERRIDE;
   virtual void ShowDisambiguationPopup(const gfx::Rect& target_rect,
                                        const SkBitmap& zoomed_bitmap) OVERRIDE;
 
   // Non-virtual methods
   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);
@@ skipping 59 matching lines @@
 
   // The mailbox of the previously received frame.
   gpu::Mailbox current_mailbox_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostViewAndroid);
 };
 
 } // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_ANDROID_H_