Adding a skeleton MediaStreamCenter.

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_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 78 matching lines @@
   virtual WebKit::WebAudioDevice* createAudioDevice(
       size_t buffer_size, unsigned channels, double sample_rate,
       WebKit::WebAudioDevice::RenderCallback* callback) OVERRIDE;
   virtual WebKit::WebBlobRegistry* blobRegistry() OVERRIDE;
   virtual void sampleGamepads(WebKit::WebGamepads&) OVERRIDE;
   virtual WebKit::WebString userAgent(const WebKit::WebURL& url) OVERRIDE;
   virtual void GetPlugins(bool refresh,
                           std::vector<webkit::WebPluginInfo>* plugins) OVERRIDE;
   virtual WebKit::WebPeerConnectionHandler* createPeerConnectionHandler(
       WebKit::WebPeerConnectionHandlerClient* client) OVERRIDE;
+  virtual WebKit::WebMediaStreamCenter* createMediaStreamCenter(
+      WebKit::WebMediaStreamCenterClient* client) OVERRIDE;
 
  private:
   bool CheckPreparsedJsCachingEnabled() const;
 
   // Helper function to send synchronous message from any thread.
   static bool SendSyncMessageFromAnyThread(IPC::SyncMessage* msg);
 
   scoped_ptr<RendererClipboardClient> clipboard_client_;
   scoped_ptr<webkit_glue::WebClipboardImpl> clipboard_;
 
@@ skipping 19 matching lines @@
   scoped_ptr<WebKit::WebIDBFactory> web_idb_factory_;
 
   scoped_ptr<WebFileSystemImpl> web_file_system_;
 
   scoped_ptr<WebKit::WebBlobRegistry> blob_registry_;
 
   scoped_ptr<content::GamepadSharedMemoryReader> gamepad_shared_memory_reader_;
 };
 
 #endif  // CONTENT_RENDERER_RENDERER_WEBKITPLATFORMSUPPORT_IMPL_H_