Support copying a partial rectangle region from the compositing surface on Aura and GTK.

content/browser/renderer_host/render_widget_host_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_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_
 
 #include <deque>
 #include <string>
 #include <vector>
@@ skipping 65 matching lines @@
   virtual void CopyToFindPboard() OVERRIDE;
   virtual void Paste() OVERRIDE;
   virtual void PasteAndMatchStyle() OVERRIDE;
   virtual void Delete() OVERRIDE;
   virtual void SelectAll() OVERRIDE;
   virtual void UpdateTextDirection(WebKit::WebTextDirection direction) OVERRIDE;
   virtual void NotifyTextDirection() OVERRIDE;
   virtual void Blur() OVERRIDE;
   virtual void CopyFromBackingStore(
       const gfx::Rect& src_rect,
-      const gfx::Size& accelerated_dest_size,
+      const gfx::Size& accelerated_dst_size,
       const base::Callback<void(bool)>& callback,
       skia::PlatformCanvas* output) OVERRIDE;
 #if defined(TOOLKIT_GTK)
   virtual bool CopyFromBackingStoreToGtkWindow(const gfx::Rect& dest_rect,
                                                GdkWindow* target) OVERRIDE;
 #elif defined(OS_MACOSX)
   virtual gfx::Size GetBackingStoreSize() OVERRIDE;
   virtual bool CopyFromBackingStoreToCGContext(const CGRect& dest_rect,
                                                CGContextRef target) OVERRIDE;
 #endif
@@ skipping 670 matching lines @@
   scoped_ptr<TapSuppressionController> tap_suppression_controller_;
 
   scoped_ptr<SmoothScrollGesture> active_smooth_scroll_gesture_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_IMPL_H_