| Index: content/browser/compositor/delegated_frame_host.h | 
| diff --git a/content/browser/compositor/delegated_frame_host.h b/content/browser/compositor/delegated_frame_host.h | 
| index f208c267e3f2eab3da530a6a29402c33a83a6d03..d609c9a3ecbffd9eec8370c6dfaa02920a28733c 100644 | 
| --- a/content/browser/compositor/delegated_frame_host.h | 
| +++ b/content/browser/compositor/delegated_frame_host.h | 
| @@ -115,6 +115,7 @@ class CONTENT_EXPORT DelegatedFrameHost | 
| scoped_ptr<RenderWidgetHostViewFrameSubscriber> subscriber); | 
| void EndFrameSubscription(); | 
| bool HasFrameSubscriber() const { return frame_subscriber_; } | 
| +  uint32_t GetSurfaceIdNamespace(); | 
|  | 
| // Exposed for tests. | 
| cc::DelegatedFrameProvider* FrameProviderForTesting() const { | 
|  |