Use ThreadSafeSender in a couple of places.

content/renderer/renderer_webkitplatformsupport_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_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
 #define CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/platform_file.h"
 #include "content/common/content_export.h"
 #include "content/common/webkitplatformsupport_impl.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebIDBFactory.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebSharedWorkerRepository.h"
 
 namespace webkit_glue {
 class WebClipboardImpl;
 }
 
 namespace content {
 class GamepadSharedMemoryReader;
 class RendererClipboardClient;
+class ThreadSafeSender;
 class WebFileSystemImpl;
 class WebSharedWorkerRepositoryImpl;
 
 class CONTENT_EXPORT RendererWebKitPlatformSupportImpl
     : public WebKitPlatformSupportImpl {
  public:
   RendererWebKitPlatformSupportImpl();
   virtual ~RendererWebKitPlatformSupportImpl();
 
   void set_plugin_refresh_allowed(bool plugin_refresh_allowed) {
@@ skipping 113 matching lines @@
   // to WorkerService on the browser thread.
   scoped_ptr<WebSharedWorkerRepositoryImpl> shared_worker_repository_;
 
   scoped_ptr<WebKit::WebIDBFactory> web_idb_factory_;
 
   scoped_ptr<WebFileSystemImpl> web_file_system_;
 
   scoped_ptr<WebKit::WebBlobRegistry> blob_registry_;
 
   scoped_ptr<GamepadSharedMemoryReader> gamepad_shared_memory_reader_;
+
+  scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_