Change WebRTC log callback registration in browser process.

content/browser/renderer_host/render_process_host_impl.cc

 // Copyright 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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 2043 matching lines @@
 }
 
 void RenderProcessHostImpl::SetWebRtcLogMessageCallback(
     base::Callback<void(const std::string&)> callback) {
 #if defined(ENABLE_WEBRTC)
   BrowserMainLoop::GetInstance()->media_stream_manager()->
       RegisterNativeLogCallback(GetID(), callback);
 #endif
 }
 
+void RenderProcessHostImpl::UnsetWebRtcLogMessageCallback() {
+#if defined(ENABLE_WEBRTC)
+  BrowserMainLoop::GetInstance()
+      ->media_stream_manager()
+      ->UnregisterNativeLogCallback(GetID());
+#endif
+}
+
 RenderProcessHostImpl::WebRtcStopRtpDumpCallback
 RenderProcessHostImpl::StartRtpDump(
     bool incoming,
     bool outgoing,
     const WebRtcRtpPacketCallback& packet_callback) {
   if (!p2p_socket_dispatcher_host_.get())
     return WebRtcStopRtpDumpCallback();
 
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(&P2PSocketDispatcherHost::StartRtpDump,
@@ skipping 714 matching lines @@
 
     // Skip widgets in other processes.
     if (rvh->GetProcess()->GetID() != GetID())
       continue;
 
     rvh->OnWebkitPreferencesChanged();
   }
 }
 
 }  // namespace content