Plumb media data from renderers up to MediaInternals in the browser process.

chrome/browser/media/media_internals.h

 // Copyright (c) 2011 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 CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 #define CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_H_
 #pragma once
 
 #include "base/memory/ref_counted.h"
 #include "base/observer_list.h"
 #include "base/threading/non_thread_safe.h"
 #include "base/values.h"
 #include "content/browser/renderer_host/media/media_observer.h"
 
 class MediaInternalsObserver;
 
+namespace media {
+struct MediaLogEvent;
+}
+
 // This class stores information about currently active media.
 // All of its methods are called on the IO thread.
 class MediaInternals : public MediaObserver, public base::NonThreadSafe {
  public:
   virtual ~MediaInternals();
 
   // MediaObserver implementation.
   virtual void OnDeleteAudioStream(void* host, int stream_id);
   virtual void OnSetAudioStreamPlaying(void* host, int stream_id, bool playing);
   virtual void OnSetAudioStreamStatus(void* host, int stream_id,
                                       const std::string& status);
   virtual void OnSetAudioStreamVolume(void* host, int stream_id, double volume);
+  virtual void OnMediaEvent(int source, const media::MediaLogEvent& event);
 
   // Methods for observers.
   // Observers should add themselves on construction and remove themselves
   // on destruction.
   void AddObserver(MediaInternalsObserver* observer);
   void RemoveObserver(MediaInternalsObserver* observer);
   void SendEverything();
 
  private:
   friend class IOThread;
@@ skipping 19 matching lines @@
   void SendUpdate(const std::string& function, Value* value);
 
   static MediaInternals* instance_;
   DictionaryValue data_;
   ObserverList<MediaInternalsObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaInternals);
 };
 
 #endif  // CHROME_BROWSER_MEDIA_MEDIA_INTERNALS_H_