Support edge-inclusive intersections in mapToVisibleRectInAncestorSpace

third_party/WebKit/Source/core/paint/PaintLayer.cpp

Index: third_party/WebKit/Source/core/paint/PaintLayer.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintLayer.cpp b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
index 7db7ff8cfcba5dc1d6b77569bd23183fc424a520..e91ab2ecdc79663f61561036cf4a01bbe8c1dd85 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayer.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayer.cpp
@@ -595,7 +595,7 @@ void PaintLayer::mapRectToPaintBackingCoordinates(const LayoutBoxModelObject* pa
 void PaintLayer::mapRectToPaintInvalidationBacking(const LayoutObject* layoutObject, const LayoutBoxModelObject* paintInvalidationContainer, LayoutRect& rect, const PaintInvalidationState* paintInvalidationState)
 {
     if (!paintInvalidationContainer->layer()->groupedMapping()) {
-        layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState);
+        layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState, false);
         return;
     }
 
@@ -603,7 +603,7 @@ void PaintLayer::mapRectToPaintInvalidationBacking(const LayoutObject* layoutObj
     // layer. This is because all layers that squash together need to issue paint invalidations w.r.t. a single container that is
     // an ancestor of all of them, in order to properly take into account any local transforms etc.
     // FIXME: remove this special-case code that works around the paint invalidation code structure.
-    layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState);
+    layoutObject->mapToVisibleRectInAncestorSpace(paintInvalidationContainer, rect, paintInvalidationState, false);
 
     mapRectToPaintBackingCoordinates(paintInvalidationContainer, rect);
 }