Renaming: distinguish ancestor, container and paintInvalidationContainer

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

Index: third_party/WebKit/Source/core/paint/PaintLayerClipper.cpp
diff --git a/third_party/WebKit/Source/core/paint/PaintLayerClipper.cpp b/third_party/WebKit/Source/core/paint/PaintLayerClipper.cpp
index 4cc750b66e2c7e28a5e59a59e8016cf74376d68a..dead1f230e2a8efd2a3d2ac533d3f0a369ba8b52 100644
--- a/third_party/WebKit/Source/core/paint/PaintLayerClipper.cpp
+++ b/third_party/WebKit/Source/core/paint/PaintLayerClipper.cpp
@@ -274,7 +274,7 @@ void PaintLayerClipper::calculateClipRects(const ClipRectsContext& context, Clip
         // This offset cannot use convertToLayerCoords, because sometimes our rootLayer may be across
         // some transformed layer boundary, for example, in the PaintLayerCompositor overlapMap, where
         // clipRects are needed in view space.
-        applyClipRects(context, m_layoutObject, roundedLayoutPoint(m_layoutObject.localToContainerPoint(FloatPoint(), context.rootLayer->layoutObject())), clipRects);
+        applyClipRects(context, m_layoutObject, roundedLayoutPoint(m_layoutObject.localToAncestorPoint(FloatPoint(), context.rootLayer->layoutObject())), clipRects);
     }
 }