Adding a skeleton MediaStreamCenter.

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 22 matching lines @@
 struct DOMStorageMsg_Event_Params;
 class GpuChannelHost;
 class IndexedDBDispatcher;
 class RendererWebKitPlatformSupportImpl;
 class SkBitmap;
 class VideoCaptureImplManager;
 struct ViewMsg_New_Params;
 class WebDatabaseObserverImpl;
 
 namespace WebKit {
+class WebMediaStreamCenter;
+class WebMediaStreamCenterClient;
 class WebStorageEventDispatcher;
 }
 
 namespace base {
 class MessageLoopProxy;
 class Thread;
 namespace win {
 class ScopedCOMInitializer;
 }
 }
 
 namespace content {
+class MediaStreamCenter;
 class RenderProcessObserver;
 }
 
 namespace v8 {
 class Extension;
 }
 
 // The RenderThreadImpl class represents a background thread where RenderView
 // instances live.  The RenderThread supports an API that is used by its
 // consumer to talk indirectly to the RenderViews and supporting objects.
@@ skipping 97 matching lines @@
   }
 
   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.
+  WebKit::WebMediaStreamCenter* CreateMediaStreamCenter(
+      WebKit::WebMediaStreamCenterClient* client);
+
   VideoCaptureImplManager* video_capture_impl_manager() const {
     return vc_manager_.get();
   }
 
   bool plugin_refresh_allowed() const { return plugin_refresh_allowed_; }
 
   // Get the GPU channel. Returns NULL if the channel is not established or
   // has been lost.
   GpuChannelHost* GetGpuChannel();
 
@@ skipping 23 matching lines @@
   void OnTempCrashWithData(const GURL& data);
 
   void IdleHandlerInForegroundTab();
 
   // These objects live solely on the render thread.
   scoped_ptr<AppCacheDispatcher> appcache_dispatcher_;
   scoped_ptr<IndexedDBDispatcher> main_thread_indexed_db_dispatcher_;
   scoped_ptr<RendererWebKitPlatformSupportImpl> webkit_platform_support_;
   scoped_ptr<WebKit::WebStorageEventDispatcher> dom_storage_event_dispatcher_;
 
+  // Used on the render thread and deleted by WebKit at shutdown.
+  content::MediaStreamCenter* media_stream_center_;
+
   // Used on the renderer and IPC threads.
   scoped_refptr<DBMessageFilter> db_message_filter_;
   scoped_refptr<AudioInputMessageFilter> audio_input_message_filter_;
   scoped_refptr<AudioMessageFilter> audio_message_filter_;
   scoped_refptr<DevToolsAgentFilter> devtools_agent_message_filter_;
 
   // Used on multiple threads.
   scoped_refptr<VideoCaptureImplManager> vc_manager_;
 
   // Used on multiple script execution context threads.
@@ skipping 34 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_