Deleted code associated with --enable-gpu-rendering and...

chrome/browser/renderer_host/backing_store.h

 // Copyright (c) 2010 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 CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_H_
 #define CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 22 matching lines @@
 
   // The number of bytes that this backing store consumes. The default
   // implementation just assumes there's 32 bits per pixel over the current
   // size of the screen. Implementations may override this if they have more
   // information about the color depth.
   virtual size_t MemorySize();
 
   // Paints the bitmap from the renderer onto the backing store.  bitmap_rect
   // gives the location of bitmap, and copy_rects specifies the subregion(s) of
   // the backingstore to be painted from the bitmap.
-  //
-  // The value placed into |*painted_synchronously| indicates if the paint was
-  // completed synchronously and the TransportDIB can be freed. False means that
-  // the backing store may still be using the transport DIB and it will manage
-  // notifying the RenderWidgetHost that it's done with it via
-  // DonePaintingToBackingStore().
   virtual void PaintToBackingStore(
       RenderProcessHost* process,
       TransportDIB::Id bitmap,
       const gfx::Rect& bitmap_rect,
-      const std::vector<gfx::Rect>& copy_rects,
-      bool* painted_synchronously) = 0;
+      const std::vector<gfx::Rect>& copy_rects) = 0;
 
   // Extracts the gives subset of the backing store and copies it to the given
   // PlatformCanvas. The PlatformCanvas should not be initialized. This function
   // will call initialize() with the correct size. The return value indicates
   // success.
   virtual bool CopyFromBackingStore(const gfx::Rect& rect,
                                     skia::PlatformCanvas* output) = 0;
 
   // Scrolls the contents of clip_rect in the backing store by dx or dy (but dx
   // and dy cannot both be non-zero).
   virtual void ScrollBackingStore(int dx, int dy,
                                   const gfx::Rect& clip_rect,
                                   const gfx::Size& view_size) = 0;
  protected:
   // Can only be constructed via subclasses.
   BackingStore(RenderWidgetHost* widget, const gfx::Size& size);
 
  private:
   // The owner of this backing store.
   RenderWidgetHost* render_widget_host_;
 
   // The size of the backing store.
   gfx::Size size_;
 
   DISALLOW_COPY_AND_ASSIGN(BackingStore);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_BACKING_STORE_H_