Check subtree paint invalidation when overflow clip status changes

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

Index: third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
index 53f927924bde1305ce1797ab6daa42d348176ceb..228eccda5031afe3f0572b5c25148fbaffabbfbe 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp
@@ -393,6 +393,9 @@ void LayoutBoxModelObject::invalidateTreeIfNeeded(const PaintInvalidationState&
     if (!shouldCheckForPaintInvalidation(newPaintInvalidationState))
         return;
 
+    if (mayNeedPaintInvalidationSubtree())
+        newPaintInvalidationState.setForceSubtreeInvalidationCheckingWithinContainer();
+
     LayoutRect previousPaintInvalidationRect = this->previousPaintInvalidationRect();
     LayoutPoint previousPosition = previousPositionFromPaintInvalidationBacking();
     PaintInvalidationReason reason = invalidatePaintIfNeeded(newPaintInvalidationState);