Plumb physical backing size from RWHV to renderer CC.

content/renderer/render_view_impl.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_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 762 matching lines @@
 
   // Cannot use std::set unfortunately since linked_ptr<> does not support
   // operator<.
   typedef std::vector<linked_ptr<webkit_glue::ImageResourceFetcher> >
       ImageResourceFetcherList;
 
  protected:
   // RenderWidget overrides:
   virtual void Close() OVERRIDE;
   virtual void OnResize(const gfx::Size& new_size,
+                        const gfx::Size& physical_backing_size,
                         const gfx::Rect& resizer_rect,
                         bool is_fullscreen) OVERRIDE;
   virtual void WillInitiatePaint() OVERRIDE;
   virtual void DidInitiatePaint() OVERRIDE;
   virtual void DidFlushPaint() OVERRIDE;
   virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
       const gfx::Rect& paint_bounds,
       TransportDIB** dib,
       gfx::Rect* location,
       gfx::Rect* clip,
@@ skipping 832 matching lines @@
   // use the Observer interface to filter IPC messages and receive frame change
   // notifications.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_