Make classes and structures in core/html fast-allocated.

Source/core/html/HTMLContentElement.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 21 matching lines @@
 #define HTMLContentElement_h
 
 #include "core/CoreExport.h"
 #include "core/css/CSSSelectorList.h"
 #include "core/dom/shadow/InsertionPoint.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class HTMLContentSelectFilter : public NoBaseWillBeGarbageCollectedFinalized<HTMLContentSelectFilter> {
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(HTMLContentSelectFilter);
 public:
     virtual ~HTMLContentSelectFilter() { }
     virtual bool canSelectNode(const WillBeHeapVector<RawPtrWillBeMember<Node>, 32>& siblings, int nth) const = 0;
 
     DEFINE_INLINE_VIRTUAL_TRACE() { }
 };
 
 class CORE_EXPORT HTMLContentElement final : public InsertionPoint {
     DEFINE_WRAPPERTYPEINFO();
 public:
@@ skipping 49 matching lines @@
     if (!isSelectValid())
         return false;
     if (!siblings[nth]->isElementNode())
         return false;
     return matchSelector(*toElement(siblings[nth]));
 }
 
 } // namespace blink
 
 #endif // HTMLContentElement_h