Make blink classes and structures in core/css fast-allocated

Source/core/css/resolver/MatchedPropertiesCache.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 19 matching lines @@
 #include "wtf/Forward.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
 
 class ComputedStyle;
 class StyleResolverState;
 
 class CachedMatchedProperties final : public NoBaseWillBeGarbageCollectedFinalized<CachedMatchedProperties> {
-
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(CachedMatchedProperties);
 public:
     WillBeHeapVector<MatchedProperties> matchedProperties;
     RefPtr<ComputedStyle> computedStyle;
     RefPtr<ComputedStyle> parentComputedStyle;
 
     void set(const ComputedStyle&, const ComputedStyle& parentStyle, const MatchedPropertiesVector&);
     void clear();
     DEFINE_INLINE_TRACE()
     {
 #if ENABLE(OILPAN)
@@ skipping 66 matching lines @@
 
     typedef HashMap<unsigned, OwnPtr<CachedMatchedProperties>> Cache;
     Timer<MatchedPropertiesCache> m_sweepTimer;
 #endif
     Cache m_cache;
 };
 
 }
 
 #endif