Index: Source/core/page/scrolling/ScrollingCoordinator.h |
diff --git a/Source/core/page/scrolling/ScrollingCoordinator.h b/Source/core/page/scrolling/ScrollingCoordinator.h |
index 47fa9f189f66e9fe49d08a1a11c180a78de1c9a8..de914237d0aa57b1d1ea63b57da6d9a6d3bf5b19 100644 |
--- a/Source/core/page/scrolling/ScrollingCoordinator.h |
+++ b/Source/core/page/scrolling/ScrollingCoordinator.h |
@@ -90,7 +90,8 @@ public: |
bool shouldUpdateScrollLayerPositionOnMainThread() const { return mainThreadScrollingReasons() != 0; } |
void willDestroyScrollableArea(ScrollableArea*); |
- void scrollableAreaScrollLayerDidChange(ScrollableArea*); |
+ // Returns true if the coordinator handled this change. |
+ bool scrollableAreaScrollLayerDidChange(ScrollableArea*); |
void scrollableAreaScrollbarLayerDidChange(ScrollableArea*, ScrollbarOrientation); |
void setLayerIsContainerForFixedPositionLayers(GraphicsLayer*, bool); |
void updateLayerPositionConstraint(RenderLayer*); |