Make Resource::resourceBuffer() to return PassRefPtr<const SharedBuffer>

third_party/WebKit/Source/core/frame/FrameSerializer.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 105 matching lines @@
 private:
     // Serializes the stylesheet back to text and adds it to the resources if URL is not-empty.
     // It also adds any resources included in that stylesheet (including any imported stylesheets and their own resources).
     void serializeCSSStyleSheet(CSSStyleSheet&, const KURL&);
 
     // Serializes the css rule (including any imported stylesheets), adding referenced resources.
     void serializeCSSRule(CSSRule*);
 
     bool shouldAddURL(const KURL&);
 
-    void addToResources(const Resource&, PassRefPtr<SharedBuffer>, const KURL&);
+    void addToResources(const Resource&, PassRefPtr<const SharedBuffer>, const KURL&);
     void addImageToResources(ImageResource*, const KURL&);
     void addFontToResources(FontResource*);
 
     void retrieveResourcesForProperties(const StylePropertySet*, Document&);
     void retrieveResourcesForCSSValue(const CSSValue&, Document&);
 
     Vector<SerializedResource>* m_resources;
     HashSet<KURL> m_resourceURLs;
 
     Delegate& m_delegate;
 };
 
 } // namespace blink
 
 #endif // FrameSerializer_h