CSP blocks style application in cloned nodes

Source/WebCore/dom/StyledElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 48 matching lines @@
 
     const StylePropertySet* presentationAttributeStyle();
     virtual void collectStyleForPresentationAttribute(const QualifiedName&, const AtomicString&, MutableStylePropertySet*) { }
 
 protected:
     StyledElement(const QualifiedName& name, Document* document, ConstructionType type)
         : Element(name, document, type)
     {
     }
 
-    virtual void attributeChanged(const QualifiedName&, const AtomicString&) OVERRIDE;
+    virtual void attributeChanged(const QualifiedName&, const AtomicString&, AttributeModificationReason = ModifiedDirectly) OVERRIDE;
 
     virtual bool isPresentationAttribute(const QualifiedName&) const { return false; }
 
     void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, int identifier);
     void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, double value, CSSPrimitiveValue::UnitTypes);
     void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, const String& value);
 
     virtual void addSubresourceAttributeURLs(ListHashSet<KURL>&) const;
 
 private:
-    void styleAttributeChanged(const AtomicString& newStyleString);
+    void styleAttributeChanged(const AtomicString& newStyleString, AttributeModificationReason);
 
     void inlineStyleChanged();
     PropertySetCSSStyleDeclaration* inlineStyleCSSOMWrapper();
     void setInlineStyleFromString(const AtomicString&);
     MutableStylePropertySet* ensureMutableInlineStyle();
 
     void makePresentationAttributeCacheKey(PresentationAttributeCacheKey&) const;
     void rebuildPresentationAttributeStyle();
 };
 
 inline void StyledElement::invalidateStyleAttribute()
 {
     ASSERT(elementData());
     elementData()->m_styleAttributeIsDirty = true;
 }
 
 inline const StylePropertySet* StyledElement::presentationAttributeStyle()
 {
     if (!elementData())
         return 0;
     if (elementData()->m_presentationAttributeStyleIsDirty)
         rebuildPresentationAttributeStyle();
     return elementData()->presentationAttributeStyle();
 }
 
 } //namespace
 
 #endif