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

content/browser/renderer_host/render_widget_host_view_android.cc

 // 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.
 
 #include "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/android/content_view_core_impl.h"
@@ skipping 222 matching lines @@
   NOTIMPLEMENTED();
   return NULL;
 }
 
 void RenderWidgetHostViewAndroid::SetBackground(const SkBitmap& background) {
   RenderWidgetHostViewBase::SetBackground(background);
   host_->Send(new ViewMsg_SetBackground(host_->GetRoutingID(), background));
 }
 
 void RenderWidgetHostViewAndroid::CopyFromCompositingSurface(
-      const gfx::Size& size,
-      const base::Callback<void(bool)>& callback,
-      skia::PlatformCanvas* output) {
+    const gfx::Rect& src_subrect,
+    const gfx::Size& dst_size,
+    const base::Callback<void(bool)>& callback,
+    skia::PlatformCanvas* output) {
   NOTIMPLEMENTED();
   callback.Run(false);
 }
 
 void RenderWidgetHostViewAndroid::OnAcceleratedCompositingStateChange() {
   const bool activated = host_->is_accelerated_compositing_active();
   if (content_view_core_)
     content_view_core_->OnAcceleratedCompositingStateChange(
         this, activated, false);
 }
@@ skipping 103 matching lines @@
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView*
 RenderWidgetHostView::CreateViewForWidget(RenderWidgetHost* widget) {
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(widget);
   return new RenderWidgetHostViewAndroid(rwhi, NULL);
 }
 
 } // namespace content