| Index: third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp | 
| diff --git a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp | 
| index 545dfa30fe601b29f2c50c7a4b3c09e1ceee30d3..add6b0ffecf8daa252fa6f9c8df56d8208fd5268 100644 | 
| --- a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp | 
| +++ b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.cpp | 
| @@ -557,6 +557,8 @@ bool CompositedLayerMapping::updateGraphicsLayerConfiguration() | 
|  | 
| updateElementIdAndCompositorMutableProperties(); | 
|  | 
| +    m_graphicsLayer->setHasWillChangeTransformHint(m_owningLayer.layoutObject()->styleRef().hasWillChangeTransformHint()); | 
| + | 
| return layerConfigChanged; | 
| } | 
|  | 
|  |