Check subtree paint invalidation when overflow clip status changes

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

Index: third_party/WebKit/Source/core/layout/LayoutBlock.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
index d7347a067b9b0baaa4909b5e922f6ec1d9e51cb3..8265ab97df4a29b2f05154d23af043011ce03bd7 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBlock.cpp
@@ -245,8 +245,7 @@ void LayoutBlock::updateFromStyle()
     if (shouldClipOverflow != hasOverflowClip()) {
         if (!shouldClipOverflow)
             getScrollableArea()->invalidateAllStickyConstraints();
-        for (LayoutObject* child = firstChild(); child; child = child->nextSibling())
-            child->setMayNeedPaintInvalidation();
+        setMayNeedPaintInvalidationSubtree();
     }
     setHasOverflowClip(shouldClipOverflow);
 }