Start recording background video watch time.

content/browser/media/media_internals.h

 // 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.
 
 #ifndef CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 #define CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 76 matching lines @@
   void SetWebContentsTitleForAudioLogEntry(int component_id,
                                            int render_process_id,
                                            int render_frame_id,
                                            media::AudioLog* audio_log);
 
  private:
   // Inner class to handle reporting pipelinestatus to UMA
   class MediaInternalsUMAHandler;
 
   friend class AudioLogImpl;
-  friend class MediaInternalsTest;
 
   MediaInternals();
 
   // Sends |update| to each registered UpdateCallback.  Safe to call from any
   // thread, but will forward to the IO thread.
   void SendUpdate(const base::string16& update);
 
   // Saves |event| so that it can be sent later in SendHistoricalMediaEvents().
   void SaveEvent(int process_id, const media::MediaLogEvent& event);
 
@@ skipping 28 matching lines @@
   base::DictionaryValue audio_streams_cached_data_;
   int owner_ids_[AUDIO_COMPONENT_MAX];
   std::unique_ptr<MediaInternalsUMAHandler> uma_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaInternals);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_MEDIA_INTERNALS_H_