RenderLayer::hasVisibleContent() incorrect when layer removed

Source/core/rendering/RenderLayer.cpp

Index: Source/core/rendering/RenderLayer.cpp
diff --git a/Source/core/rendering/RenderLayer.cpp b/Source/core/rendering/RenderLayer.cpp
index 512b4828f3961fc5612afcd8233161d04854eaad..71c1ebf9c1a3dbc5742c8849ebd69fa57678308f 100644
--- a/Source/core/rendering/RenderLayer.cpp
+++ b/Source/core/rendering/RenderLayer.cpp
@@ -1418,6 +1418,9 @@ RenderLayer* RenderLayer::removeChild(RenderLayer* oldChild)
         oldChild->stackingNode()->dirtyStackingContainerZOrderLists();
     }
 
+    if (renderer()->style()->visibility() != VISIBLE)
+        dirtyVisibleContentStatus();
+
     oldChild->setPreviousSibling(0);
     oldChild->setNextSibling(0);
     oldChild->setParent(0);