Replace raw pointers to GC allocated objects by members in stack allocated objects.

Source/core/css/resolver/StyleResolver.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.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 81 matching lines @@
 typedef WTF::Deque<Element*, styleSharingListSize> StyleSharingList;
 
 struct CSSPropertyValue {
     STACK_ALLOCATED();
 public:
     CSSPropertyValue(CSSPropertyID property, CSSValue* value)
         : property(property), value(value) { }
     // Stores value=propertySet.getPropertyCSSValue(id).get().
     CSSPropertyValue(CSSPropertyID, const StylePropertySet&);
     CSSPropertyID property;
-    CSSValue* value;
+    RawPtrWillBeMember<CSSValue> value;
 };
 
 // This class selects a RenderStyle for a given element based on a collection of stylesheets.
 class StyleResolver FINAL : public CSSFontSelectorClient {
     WTF_MAKE_NONCOPYABLE(StyleResolver); WTF_MAKE_FAST_ALLOCATED;
 public:
     explicit StyleResolver(Document&);
     virtual ~StyleResolver();
 
     // FIXME: StyleResolver should not be keeping tree-walk state.
@@ skipping 222 matching lines @@
     OwnPtr<StyleResolverStats> m_styleResolverStatsTotals;
     unsigned m_styleResolverStatsSequence;
 
     // Use only for Internals::updateStyleAndReturnAffectedElementCount.
     unsigned m_accessCount;
 };
 
 } // namespace WebCore
 
 #endif // StyleResolver_h