bindings: Retires ScriptWrappable::init, etc.

Source/modules/serviceworkers/CacheStorage.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "modules/serviceworkers/CacheStorage.h"
 
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 159 matching lines @@
         m_webCacheStorage->dispatchKeys(new CacheStorageKeysCallbacks(resolver));
     else
         resolver->reject(createNoImplementationException());
 
     return promise;
 }
 
 CacheStorage::CacheStorage(WebServiceWorkerCacheStorage* webCacheStorage)
     : m_webCacheStorage(webCacheStorage)
 {
-    ScriptWrappable::init(this);
 }
 
 } // namespace blink