Include control clip in list of clip-related properties.

third_party/WebKit/Source/core/layout/LayoutObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index b5f82161f715d5037408dd464fcc40636cb03645..31739610c01bcf7f26186482f72812b3dc6db6c8 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -426,6 +426,15 @@ LayoutObject* LayoutObject::nextInPreOrder() const {
   return nextInPreOrderAfterChildren();
 }
 
+bool LayoutObject::hasClipRelatedProperty() const {
+  if (hasClip() || hasOverflowClip() || hasClipPath() ||
+      style()->containsPaint())
+    return true;
+  if (isBox() && toLayoutBox(this)->hasControlClip())
+    return true;
+  return false;
+}
+
 LayoutObject* LayoutObject::nextInPreOrderAfterChildren() const {
   LayoutObject* o = nextSibling();
   if (!o) {