1 files changed, 4 insertions, 2 deletions
diff --git a/WebCore/rendering/RenderLayer.h b/WebCore/rendering/RenderLayer.h
index 9d2212b..a274638 100644
--- a/WebCore/rendering/RenderLayer.h
+++ b/WebCore/rendering/RenderLayer.h
@@ -298,10 +298,11 @@ public:
     enum UpdateLayerPositionsFlag {
         DoFullRepaint = 1,
         CheckForRepaint = 1 << 1,
-        UpdateCompositingLayers = 1 << 2,
+        IsCompositingUpdateRoot = 1 << 2,
+        UpdateCompositingLayers = 1 << 3,
     };
     typedef unsigned UpdateLayerPositionsFlags;
-    void updateLayerPositions(UpdateLayerPositionsFlags = DoFullRepaint | UpdateCompositingLayers);
+    void updateLayerPositions(UpdateLayerPositionsFlags = DoFullRepaint | IsCompositingUpdateRoot | UpdateCompositingLayers);
 
     void updateTransform();
 
@@ -327,6 +328,7 @@ public:
     Vector<RenderLayer*>* normalFlowList() const { return m_normalFlowList; }
 
     bool hasVisibleContent() const { return m_hasVisibleContent; }
+    bool hasVisibleDescendant() const { return m_hasVisibleDescendant; }
     void setHasVisibleContent(bool);
     void dirtyVisibleContentStatus();