Skip paint property update and visual rect update if no geometry change

third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h

Index: third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h
diff --git a/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h b/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h
index 634292466820fdcb00809a6b1e83e483e73c4e1a..1f87b05c7bb61b1e85c1ec41790243442a1612a8 100644
--- a/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h
+++ b/third_party/WebKit/Source/core/paint/PrePaintTreeWalk.h
@@ -44,8 +44,9 @@ class PrePaintTreeWalk {
       const LayoutPoint& ancestorPaintOffset,
       bool& hasClip);
 
-  // Returns true if the tree walk should stop before processing this object.
-  bool shouldEndWalkBefore(const LayoutObject&, const PrePaintTreeWalkContext&);
+  // Returns true if we need to walk the tree for paint property update.
+  bool needsWalkForPaintPropertyUpdate(const LayoutObject&,
+                                       const PrePaintTreeWalkContext&);
 
   PaintPropertyTreeBuilder m_propertyTreeBuilder;
   PaintInvalidator m_paintInvalidator;