Split MediaContentType and AudioFocusType

content/browser/media/session/media_session_delegate.h

 // Copyright 2016 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_SESSION_MEDIA_SESSION_DELEGATE_H_
 #define CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_DELEGATE_H_
 
+#include "content/browser/media/session/audio_focus_manager.h"
 #include "content/browser/media/session/media_session.h"
 
+namespace media {
+enum class MediaSessionType;

[whywhat, 2016/08/18 20:33:42]

you meant AudioFocusType probably? 

[Zhiqiang Zhang (Slow), 2016/08/19 15:05:55]

Removed.

+}

[whywhat, 2016/08/18 20:33:42]

nit: // namespace media 

[Zhiqiang Zhang (Slow), 2016/08/19 15:05:55]

Removed

+
 namespace content {
 
 // MediaSessionDelegate is an interface abstracting audio focus handling for the
 // MediaSession class.
 class MediaSessionDelegate {
  public:
   // Factory method returning an implementation of MediaSessionDelegate.
   static std::unique_ptr<MediaSessionDelegate> Create(
       MediaSession* media_session);
 
-  virtual bool RequestAudioFocus(MediaSession::Type type) = 0;
+  virtual bool RequestAudioFocus(AudioFocusManager::AudioFocusType type) = 0;
   virtual void AbandonAudioFocus() = 0;
 };
 
 }  // namespace content
 
-#endif // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_DELEGATE_H_
+#endif  // CONTENT_BROWSER_MEDIA_SESSION_MEDIA_SESSION_DELEGATE_H_