| Index: third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h
 | 
| diff --git a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h
 | 
| index e296052ef6613cdd21a063a17fb626b32c65a3b4..4aaa33a21975e310fb141cd4d8baaa99d6af3761 100644
 | 
| --- a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h
 | 
| +++ b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h
 | 
| @@ -147,6 +147,7 @@ public:
 | 
|      void finishAccumulatingSquashingLayers(size_t nextSquashedLayerIndex);
 | 
|      void updateRenderingContext();
 | 
|      void updateShouldFlattenTransform();
 | 
| +    void updateElementIdAndMutableProperties();
 | 
|  
 | 
|      // GraphicsLayerClient interface
 | 
|      void notifyAnimationStarted(const GraphicsLayer*, double monotonicTime, int group) override;
 | 
| 
 |