Adding allocator annotations to blink classes and structs.

Source/bindings/core/v8/DOMDataStore.h

 /*
  * Copyright (C) 2009 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 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DOMDataStore_h
 #define DOMDataStore_h
 
 #include "bindings/core/v8/DOMWrapperMap.h"
 #include "bindings/core/v8/DOMWrapperWorld.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "bindings/core/v8/WrapperTypeInfo.h"
+#include "wtf/FastAllocBase.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/StdLibExtras.h"
 #include <v8.h>
 
 namespace blink {
 
 class Node;
 
 class DOMDataStore {
     WTF_MAKE_NONCOPYABLE(DOMDataStore);
+    WTF_MAKE_FAST_ALLOCATED(DOMDataStore);
 public:
     DOMDataStore(v8::Isolate* isolate, bool isMainWorld)
         : m_isMainWorld(isMainWorld)
         // We never use |m_wrapperMap| when it's the main world.
         , m_wrapperMap(adoptPtr(
             isMainWorld
             ? nullptr
             : new DOMWrapperMap<ScriptWrappable>(isolate))) { }
 
     static DOMDataStore& current(v8::Isolate* isolate)
@@ skipping 166 matching lines @@
 template <>
 inline void DOMWrapperMap<ScriptWrappable>::PersistentValueMapTraits::DisposeWeak(v8::Isolate* isolate, void* internalFields[v8::kInternalFieldsInWeakCallback], ScriptWrappable* key)
 {
     auto typeInfo = reinterpret_cast<WrapperTypeInfo*>(internalFields[v8DOMWrapperTypeIndex]);
     typeInfo->derefObject(key);
 }
 
 } // namespace blink
 
 #endif // DOMDataStore_h