Expose locks for CopyFromCompositingSurface/CopyFromBackingStore API

content/browser/renderer_host/delegated_frame_evictor.cc

 // Copyright 2013 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/delegated_frame_evictor.h"
 
 #include "base/logging.h"
 
 namespace content {
 
@@ skipping 30 matching lines @@
 
 void DelegatedFrameEvictor::UnlockFrame() {
   DCHECK(has_frame_);
   RendererFrameManager::GetInstance()->UnlockFrame(this);
 }
 
 void DelegatedFrameEvictor::EvictCurrentFrame() {
   client_->EvictDelegatedFrame();
 }
 
+size_t DelegatedFrameEvictor::FrameLockCount() {
+  if (!has_frame_) return 0;

[piman, 2014/03/04 19:09:55]

nit: return on next line

[powei, 2014/03/04 20:49:22]

Done. removed.

+  return RendererFrameManager::GetInstance()->LockedCount(this);
+}
+
 }  // namespace content