Add support for SVG Clip paths in HTML

Source/core/dom/Document.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
@@ skipping 414 matching lines @@
     void removedStyleSheet(StyleSheet*, StyleResolverUpdateMode = FullStyleUpdate);
     void addedStyleSheet(StyleSheet*) { styleResolverChanged(); }
     void modifiedStyleSheet(StyleSheet*, StyleResolverUpdateMode = FullStyleUpdate);
     void changedSelectorWatch() { styleResolverChanged(); }
 
     void scheduleUseShadowTreeUpdate(SVGUseElement&);
     void unscheduleUseShadowTreeUpdate(SVGUseElement&);
 
     // 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();
 
     FormController& formController();
     DocumentState* formElementsState() const;
     void setStateForNewFormElements(const Vector<String>&);
 
     FrameView* view() const; // can be null
     LocalFrame* frame() const { return m_frame; } // can be null
     FrameHost* frameHost() const; // can be null
@@ skipping 597 matching lines @@
     bool hasViewportUnits() const { return m_hasViewportUnits; }
     void notifyResizeForViewportUnits();
 
     void registerVisibilityObserver(DocumentVisibilityObserver*);
     void unregisterVisibilityObserver(DocumentVisibilityObserver*);
 
     void updateStyleInvalidationIfNeeded();
 
     virtual void trace(Visitor*) OVERRIDE;
 
-    bool hasSVGFilterElementsRequiringLayerUpdate() const { return m_layerUpdateSVGFilterElements.size(); }
+    bool hasSVGEffectsElementsRequiringLayerUpdate() const
+    {
+        return m_layerUpdateSVGEffectsElements.size();
+    }
     void didRecalculateStyleForElement() { ++m_styleRecalcElementCounter; }
 
 protected:
     Document(const DocumentInit&, DocumentClassFlags = DefaultDocumentClass);
 
     virtual void didUpdateSecurityOrigin() OVERRIDE FINAL;
 
     void clearXMLVersion() { m_xmlVersion = String(); }
 
 #if !ENABLE(OILPAN)
@@ skipping 311 matching lines @@
     RefPtrWillBeMember<Document> m_templateDocument;
     // With Oilpan the templateDocument and the templateDocumentHost
     // live and die together. Without Oilpan, the templateDocumentHost
     // is a manually managed backpointer from m_templateDocument.
     RawPtrWillBeMember<Document> m_templateDocumentHost;
 
     Timer<Document> m_didAssociateFormControlsTimer;
     WillBeHeapHashSet<RefPtrWillBeMember<Element> > m_associatedFormControls;
 
     WillBeHeapHashSet<RawPtrWillBeMember<SVGUseElement> > m_useElementsNeedingUpdate;
-    WillBeHeapHashSet<RawPtrWillBeMember<Element> > m_layerUpdateSVGFilterElements;
+    WillBeHeapHashSet<RawPtrWillBeMember<Element> > m_layerUpdateSVGEffectsElements;
 
     bool m_hasViewportUnits;
 
     typedef WillBeHeapHashSet<RawPtrWillBeWeakMember<DocumentVisibilityObserver> > DocumentVisibilityObserverSet;
     DocumentVisibilityObserverSet m_visibilityObservers;
 
     int m_styleRecalcElementCounter;
 };
 
 inline bool Document::shouldOverrideLegacyDescription(ViewportDescription::Type origin)
@@ skipping 33 matching lines @@
 Node* eventTargetNodeForDocument(Document*);
 
 } // namespace blink
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showLiveDocumentInstances();
 #endif
 
 #endif // Document_h