Large canvas does not honor containing div's border radius

Source/core/rendering/RenderLayerCompositor.cpp

Index: Source/core/rendering/RenderLayerCompositor.cpp
diff --git a/Source/core/rendering/RenderLayerCompositor.cpp b/Source/core/rendering/RenderLayerCompositor.cpp
index cdde2dab681e05424abe7163c184445a91cb19aa..7eb4550962948ef01070939b69e57cbf0fe10917 100644
--- a/Source/core/rendering/RenderLayerCompositor.cpp
+++ b/Source/core/rendering/RenderLayerCompositor.cpp
@@ -2314,6 +2314,9 @@ static void resetTrackedRepaintRectsRecursive(GraphicsLayer* graphicsLayer)
 
     if (GraphicsLayer* maskLayer = graphicsLayer->maskLayer())
         resetTrackedRepaintRectsRecursive(maskLayer);
+
+    if (GraphicsLayer* clippingMaskLayer = graphicsLayer->contentsClippingMaskLayer())
+        resetTrackedRepaintRectsRecursive(clippingMaskLayer);
 }
 
 void RenderLayerCompositor::resetTrackedRepaintRects()