| 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 3a529f544f88d3d2f1dc1062361011bbd0f4057c..9f75cf69f3e90513b6f406803676dfed1ec52717 100644 | 
| --- a/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h | 
| +++ b/third_party/WebKit/Source/core/layout/compositing/CompositedLayerMapping.h | 
| @@ -304,6 +304,8 @@ class CORE_EXPORT CompositedLayerMapping final : public GraphicsLayerClient { | 
| return m_drawsBackgroundOntoContentLayer; | 
| } | 
|  | 
| +  static ScrollingCoordinator* scrollingCoordinatorFromLayer(PaintLayer&); | 
| + | 
| private: | 
| IntRect recomputeInterestRect(const GraphicsLayer*) const; | 
| static bool interestRectChangedEnoughToRepaint( | 
|  |