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

Source/core/dom/ScriptLoader.h

 /*
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * 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,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 20 matching lines @@
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Element;
 class ScriptLoaderClient;
 class ScriptSourceCode;
 
 
 class CORE_EXPORT ScriptLoader : public NoBaseWillBeGarbageCollectedFinalized<ScriptLoader>, private ScriptResourceClient {
+    WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(ScriptLoader);
 public:
     static PassOwnPtrWillBeRawPtr<ScriptLoader> create(Element* element, bool createdByParser, bool isEvaluated)
     {
         return adoptPtrWillBeNoop(new ScriptLoader(element, createdByParser, isEvaluated));
     }
 
     ~ScriptLoader() override;
     DECLARE_VIRTUAL_TRACE();
 
     Element* element() const { return m_element; }
@@ skipping 65 matching lines @@
     bool m_willExecuteWhenDocumentFinishedParsing : 1;
     bool m_forceAsync : 1;
     bool m_willExecuteInOrder : 1;
 };
 
 ScriptLoader* toScriptLoaderIfPossible(Element*);
 
 } // namespace blink
 
 #endif // ScriptLoader_h