Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting

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

Index: third_party/WebKit/Source/core/layout/LayoutView.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutView.cpp b/third_party/WebKit/Source/core/layout/LayoutView.cpp
index ef2a285c459bc41d31b6a6672773fa667c234f75..00192c6339801f290c7431551abf5232330f50a9 100644
--- a/third_party/WebKit/Source/core/layout/LayoutView.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutView.cpp
@@ -1026,4 +1026,13 @@ LayoutRect LayoutView::debugRect() const {
   return rect;
 }
 
+bool LayoutView::paintedOutputOfObjectHasNoEffectRegardlessOfSize() const {
+  // Frame scroll corner is painted using LayoutView as the display item client.
+  if (!RuntimeEnabledFeatures::rootLayerScrollingEnabled() &&
+      (frameView()->horizontalScrollbar() || frameView()->verticalScrollbar()))
+    return false;
+
+  return LayoutBlockFlow::paintedOutputOfObjectHasNoEffectRegardlessOfSize();
+}
+
 }  // namespace blink