Switch to using the async DomStorage IPC messages and add a caching layer …

content/renderer/render_thread_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 #define CONTENT_RENDERER_RENDER_THREAD_IMPL_H_
 #pragma once
 
 #include <set>
 #include <string>
@@ skipping 151 matching lines @@
 
   // Will be NULL if threaded compositing has not been enabled.
   CompositorThread* compositor_thread() const {
     return compositor_thread_.get();
   }
 
   AppCacheDispatcher* appcache_dispatcher() const {
     return appcache_dispatcher_.get();
   }
 
+  DomStorageDispatcher* dom_storage_dispatcher() const {
+    return dom_storage_dispatcher_.get();
+  }
+
   AudioInputMessageFilter* audio_input_message_filter() {
     return audio_input_message_filter_.get();
   }
 
   AudioMessageFilter* audio_message_filter() {
     return audio_message_filter_.get();
   }
 
   // Creates the embedder implementation of WebMediaStreamCenter.
   // The resulting object is owned by WebKit and deleted by WebKit at tear-down.
@@ skipping 92 matching lines @@
 
   bool compositor_initialized_;
   scoped_ptr<CompositorThread> compositor_thread_;
 
   ObserverList<content::RenderProcessObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderThreadImpl);
 };
 
 #endif  // CONTENT_RENDERER_RENDER_THREAD_IMPL_H_