| Index: cc/layer_tree_host_impl.h | 
| diff --git a/cc/layer_tree_host_impl.h b/cc/layer_tree_host_impl.h | 
| index 79c26c02fb5ae982552c968edf152cfa2d758678..5337f19183355dbfc94ae37df5497bf82a81f749 100644 | 
| --- a/cc/layer_tree_host_impl.h | 
| +++ b/cc/layer_tree_host_impl.h | 
| @@ -22,6 +22,7 @@ | 
| namespace cc { | 
|  | 
| class CompletionEvent; | 
| +class CompositorFrameMetadata; | 
| class DebugRectHistory; | 
| class FrameRateCounter; | 
| class LayerImpl; | 
| @@ -171,6 +172,7 @@ public: | 
| virtual void enforceManagedMemoryPolicy(const ManagedMemoryPolicy& policy) OVERRIDE; | 
| virtual bool hasImplThread() const OVERRIDE; | 
| virtual bool shouldClearRootRenderPass() const OVERRIDE; | 
| +    virtual CompositorFrameMetadata makeCompositorFrameMetadata() const OVERRIDE; | 
|  | 
| // TileManagerClient implementation. | 
| virtual void ScheduleManageTiles() OVERRIDE; | 
|  |