Move creation of PeerConnection from the RenderView to the RenderThreadImpl.

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 083722cad045cbdbb1e6765574c5b822a48c2fae..0a6f0095476f4ce79d0028fe28a2386979314beb 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -32,6 +32,7 @@ class DevToolsAgentFilter;
 class DomStorageDispatcher;
 class GpuChannelHost;
 class IndexedDBDispatcher;
+class MediaStreamDependencyFactory;
 class RendererWebKitPlatformSupportImpl;
 class SkBitmap;
 class VideoCaptureImplManager;
@@ -205,6 +206,9 @@ class CONTENT_EXPORT RenderThreadImpl : public content::RenderThread,
   WebKit::WebMediaStreamCenter* CreateMediaStreamCenter(
       WebKit::WebMediaStreamCenterClient* client);
 
+  // Returns a factory used for creating RTC PeerConnection objects.
+  MediaStreamDependencyFactory* GetMediaStreamDependencyFactory();
+
   VideoCaptureImplManager* video_capture_impl_manager() const {
     return vc_manager_.get();
   }
@@ -317,6 +321,8 @@ class CONTENT_EXPORT RenderThreadImpl : public content::RenderThread,
   scoped_refptr<AudioMessageFilter> audio_message_filter_;
   scoped_refptr<DevToolsAgentFilter> devtools_agent_message_filter_;
 
+  scoped_ptr<MediaStreamDependencyFactory> media_stream_factory_;
+
   // Used on multiple threads.
   scoped_refptr<VideoCaptureImplManager> vc_manager_;