Add support for SVG Clip paths in HTML

Source/core/dom/Document.h

Index: Source/core/dom/Document.h
diff --git a/Source/core/dom/Document.h b/Source/core/dom/Document.h
index d53d3dbf246d877d9428c833585e3309679ed34b..03e0d9e8b8e257ad647cf035aec8629e2aa7c44a 100644
--- a/Source/core/dom/Document.h
+++ b/Source/core/dom/Document.h
@@ -432,8 +432,8 @@ public:
 
     // FIXME: SVG filters should change to store the filter on the RenderStyle
     // instead of the RenderObject so we can get rid of this hack.
-    void scheduleSVGFilterLayerUpdateHack(Element&);
-    void unscheduleSVGFilterLayerUpdateHack(Element&);
+    void scheduleSVGEffectsLayerUpdateHack(Element&);
+    void unscheduleSVGEffectsLayerUpdateHack(Element&);
 
     void evaluateMediaQueryList();
 
@@ -1051,7 +1051,10 @@ public:
 
     virtual void trace(Visitor*) OVERRIDE;
 
-    bool hasSVGFilterElementsRequiringLayerUpdate() const { return m_layerUpdateSVGFilterElements.size(); }
+    bool hasSVGEffectsElementsRequiringLayerUpdate() const
+    {
+        return m_layerUpdateSVGEffectsElements.size();
+    }
     void didRecalculateStyleForElement() { ++m_styleRecalcElementCounter; }
 
 protected:
@@ -1383,7 +1386,7 @@ private:
     WillBeHeapHashSet<RefPtrWillBeMember<Element> > m_associatedFormControls;
 
     WillBeHeapHashSet<RawPtrWillBeMember<SVGUseElement> > m_useElementsNeedingUpdate;
-    WillBeHeapHashSet<RawPtrWillBeMember<Element> > m_layerUpdateSVGFilterElements;
+    WillBeHeapHashSet<RawPtrWillBeMember<Element> > m_layerUpdateSVGEffectsElements;
 
     bool m_hasViewportUnits;