Put the StyleResourceLoader on the stack.

sky/engine/core/css/resolver/StyleResourceLoader.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 13 matching lines @@
 #define SKY_ENGINE_CORE_CSS_RESOLVER_STYLERESOURCELOADER_H_
 
 #include "sky/engine/wtf/OwnPtr.h"
 #include "sky/engine/wtf/PassRefPtr.h"
 
 namespace blink {
 
 class ElementStyleResources;
 class RenderStyle;
 class ResourceFetcher;
-class ShapeValue;
 class StyleImage;
 class StylePendingImage;
 
-// Manages loading of resources, requested by the stylesheets.
-// Expects the same lifetime as StyleResolver, because
-// it expects ResourceFetcher to never change.
 class StyleResourceLoader {
 WTF_MAKE_NONCOPYABLE(StyleResourceLoader);
 public:
     explicit StyleResourceLoader(ResourceFetcher*);
 
     void loadPendingResources(RenderStyle*, ElementStyleResources&);
 
 private:
     PassRefPtr<StyleImage> loadPendingImage(StylePendingImage*, float deviceScaleFactor);
     void loadPendingImages(RenderStyle*, ElementStyleResources&);
 
     ResourceFetcher* m_fetcher;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_CSS_RESOLVER_STYLERESOURCELOADER_H_