Remove obsolete path of getSources.

content/renderer/render_thread_impl.cc

 // 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.
 
 #include "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 1428 matching lines @@
     return NULL;
 #endif
 
 #if defined(ENABLE_WEBRTC)
   if (!media_stream_center_) {
     media_stream_center_ = GetContentClient()->renderer()
         ->OverrideCreateWebMediaStreamCenter(client);
     if (!media_stream_center_) {
       scoped_ptr<MediaStreamCenter> media_stream_center(
           new MediaStreamCenter(client, GetPeerConnectionDependencyFactory()));
-      AddObserver(media_stream_center.get());
       media_stream_center_ = media_stream_center.release();
     }
   }
 #endif
   return media_stream_center_;
 }
 
 #if defined(ENABLE_WEBRTC)
 PeerConnectionDependencyFactory*
 RenderThreadImpl::GetPeerConnectionDependencyFactory() {
@@ skipping 172 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content