Make RenderWidgetHostViewAura::CopyFromCompositingSurface readback layer

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 <android/bitmap.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 588 matching lines @@
                 texture_size_in_layer_.height() - offset.y());
   // Content size changes should be reflected in associated animation effects.
   UpdateAnimationSize(frame_metadata);
 }
 
 void RenderWidgetHostViewAndroid::OnSwapCompositorFrame(
     scoped_ptr<cc::CompositorFrame> frame) {
   // Always let ContentViewCore know about the new frame first, so it can decide
   // to schedule a Draw immediately when it sees the texture layer invalidation.
   UpdateContentViewCoreFrameMetadata(frame->metadata);
+  DidReceiveRendererFrame();

[piman, 2013/07/02 01:49:09]

I don't know if we need to handle the "old"
AcceleratedSurfaceBuffersSwapped/PostSubBuffer here for consistency.

[danakj, 2013/07/03 18:05:39]

They have a NOTREACHED() in them, so I figured not, but I can add it there
anyhow.

 
   if (frame->delegated_frame_data) {
     if (!frame->delegated_frame_data->render_pass_list.empty()) {
       texture_size_in_layer_ = frame->delegated_frame_data->render_pass_list
           .back()->output_rect.size();
     }
     ComputeContentsSize(frame->metadata);
 
     SwapDelegatedFrame(frame->delegated_frame_data.Pass());
     return;
@@ skipping 489 matching lines @@
 // RenderWidgetHostView, public:
 
 // static
 RenderWidgetHostView*
 RenderWidgetHostView::CreateViewForWidget(RenderWidgetHost* widget) {
   RenderWidgetHostImpl* rwhi = RenderWidgetHostImpl::From(widget);
   return new RenderWidgetHostViewAndroid(rwhi, NULL);
 }
 
 } // namespace content