Forward output glitch information from stream WebRTC log

content/browser/renderer_host/media/media_stream_manager.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/browser/renderer_host/media/media_stream_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 #include <string.h>
 #include <cctype>
@@ skipping 29 matching lines @@
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/desktop_media_id.h"
 #include "content/public/browser/media_observer.h"
 #include "content/public/browser/media_request_state.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents_media_capture_id.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/media_stream_request.h"
 #include "crypto/hmac.h"
+#include "media/audio/audio_logging.h"
 #include "media/audio/audio_manager_base.h"
 #include "media/audio/audio_parameters.h"
 #include "media/base/channel_layout.h"
 #include "media/base/media_switches.h"
 #include "media/capture/video/video_capture_device_factory.h"
 #include "url/gurl.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_com_initializer.h"
 #endif
@@ skipping 345 matching lines @@
         BrowserThread::IO, FROM_HERE,
         base::Bind(&MediaStreamManager::InitializeDeviceManagersOnIOThread,
                    base::Unretained(this)));
   }
 
   base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
   // BrowserMainLoop always creates the PowerMonitor instance before creating
   // MediaStreamManager, but power_monitor may be NULL in unit tests.
   if (power_monitor)
     power_monitor->AddObserver(this);
+
+  media::InitWebRtcLoggingCallback(&MediaStreamManager::SendMessageToNativeLog);

[o1ka, 2016/04/05 15:28:42]

I would do it the first thing in the constructor.

 }
 
 MediaStreamManager::~MediaStreamManager() {
   DCHECK(!BrowserThread::IsThreadInitialized(BrowserThread::IO));
   DVLOG(1) << "~MediaStreamManager";
   DCHECK(requests_.empty());
   DCHECK(!device_task_runner_.get());
 
   base::PowerMonitor* power_monitor = base::PowerMonitor::Get();
   // The PowerMonitor instance owned by BrowserMainLoops always outlives the
@@ skipping 1692 matching lines @@
     const std::string& device_guid,
     const std::string& raw_unique_id) {
   DCHECK(security_origin.is_valid());
   DCHECK(!raw_unique_id.empty());
   std::string guid_from_raw_device_id =
       GetHMACForMediaDeviceID(sc, security_origin, raw_unique_id);
   return guid_from_raw_device_id == device_guid;
 }
 
 }  // namespace content