bindings: Changes DOMWrapperMap::KeyType to ScriptWrappableBase*.

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 186 matching lines @@
 
     static bool holderContainsWrapper(v8::Local<v8::Object> holder, ScriptWrappable* wrappable)
     {
         // Verify our assumptions about the main world.
         ASSERT(wrappable);
         ASSERT(!wrappable->containsWrapper() || !wrappable->isEqualTo(holder) || current(v8::Isolate::GetCurrent()).m_isMainWorld);
         return wrappable->isEqualTo(holder);
     }
 
     bool m_isMainWorld;
-    DOMWrapperMap<void> m_wrapperMap;
+    DOMWrapperMap<ScriptWrappableBase> m_wrapperMap;
 };
 
+template <>
+inline void DOMWrapperMap<ScriptWrappableBase>::PersistentValueMapTraits::Dispose(
+    v8::Isolate* isolate,
+    v8::UniquePersistent<v8::Object> value,
+    ScriptWrappableBase* key)
+{
+    RELEASE_ASSERT(!value.IsEmpty()); // See crbug.com/368095.
+    releaseObject(v8::Local<v8::Object>::New(isolate, value));
+}
+
 } // namespace blink
 
 #endif // DOMDataStore_h