| Index: third_party/WebKit/Source/core/layout/LayoutView.h | 
| diff --git a/third_party/WebKit/Source/core/layout/LayoutView.h b/third_party/WebKit/Source/core/layout/LayoutView.h | 
| index af4a7dd9b99b4f8dfaab14be0bd7e3ee81759754..e620f79e32de7aa8fe8cf0c982e35504801b9c04 100644 | 
| --- a/third_party/WebKit/Source/core/layout/LayoutView.h | 
| +++ b/third_party/WebKit/Source/core/layout/LayoutView.h | 
| @@ -110,8 +110,8 @@ public: | 
| }; | 
|  | 
| static ViewportConstrainedPosition toViewportConstrainedPosition(EPosition position) { return position == FixedPosition ? IsFixedPosition : IsNotFixedPosition; } | 
| -    void mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, ViewportConstrainedPosition, const PaintInvalidationState*) const; | 
| -    void mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, const PaintInvalidationState*) const override; | 
| +    bool mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, ViewportConstrainedPosition, const PaintInvalidationState*, VisibleRectFlags = DefaultVisibleRectFlags) const; | 
| +    bool mapToVisibleRectInAncestorSpace(const LayoutBoxModelObject* ancestor, LayoutRect&, const PaintInvalidationState*, VisibleRectFlags = DefaultVisibleRectFlags) const override; | 
| void adjustViewportConstrainedOffset(LayoutRect&, ViewportConstrainedPosition) const; | 
|  | 
| void invalidatePaintForViewAndCompositedLayers(); | 
|  |