Reland CL to implement browser-side logging to WebRtc log.

chrome/browser/chrome_content_browser_client.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 "chrome/browser/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 905 matching lines @@
 #if defined(OS_MACOSX)
   host->AddFilter(new SpellCheckMessageFilterMac(id));
 #endif
   host->AddFilter(new ChromeNetBenchmarkingMessageFilter(
       id, profile, context));
   host->AddFilter(new prerender::PrerenderMessageFilter(id, profile));
   host->AddFilter(new TtsMessageFilter(id, profile));
 #if defined(ENABLE_WEBRTC)
   WebRtcLoggingHandlerHost* webrtc_logging_handler_host =
       new WebRtcLoggingHandlerHost(profile);
+  host->SetWebRtcLogMessageCallback(base::Bind(
+      &WebRtcLoggingHandlerHost::LogMessage, webrtc_logging_handler_host));
   host->AddFilter(webrtc_logging_handler_host);
   host->SetUserData(host, new base::UserDataAdapter<WebRtcLoggingHandlerHost>(
       webrtc_logging_handler_host));
 #endif
 #if !defined(DISABLE_NACL)
   host->AddFilter(new nacl::NaClHostMessageFilter(
       id, profile->IsOffTheRecord(),
       profile->GetPath(),
       context));
 #endif
@@ skipping 1765 matching lines @@
   // releases of Chrome. Permitting "Unknown" allows these APIs to be used on
   // Chromium builds as well.
   return channel <= chrome::VersionInfo::CHANNEL_DEV;
 #else
   return false;
 #endif
 }
 
 
 }  // namespace chrome