mash: Change the MediaDelegate to a Media{Controller,Client}.

chrome/browser/ui/ash/media_delegate_chromeos.h

Index: chrome/browser/ui/ash/media_delegate_chromeos.h
diff --git a/chrome/browser/ui/ash/media_delegate_chromeos.h b/chrome/browser/ui/ash/media_delegate_chromeos.h
deleted file mode 100644
index 32b04a1936855a3e52319af8a06985f858a2e80e..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/ash/media_delegate_chromeos.h
+++ /dev/null
@@ -1,39 +0,0 @@
-// Copyright 2014 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_UI_ASH_MEDIA_DELEGATE_CHROMEOS_H_
-#define CHROME_BROWSER_UI_ASH_MEDIA_DELEGATE_CHROMEOS_H_
-
-#include "ash/common/media_delegate.h"
-#include "base/macros.h"
-#include "base/memory/weak_ptr.h"
-#include "chrome/browser/media/webrtc/media_capture_devices_dispatcher.h"
-
-class MediaDelegateChromeOS : public ash::MediaDelegate,
-                              MediaCaptureDevicesDispatcher::Observer {
- public:
-  MediaDelegateChromeOS();
-  ~MediaDelegateChromeOS() override;
-
-  // ash::MediaDelegate:
-  void HandleMediaNextTrack() override;
-  void HandleMediaPlayPause() override;
-  void HandleMediaPrevTrack() override;
-  ash::MediaCaptureState GetMediaCaptureState(ash::UserIndex index) override;
-
-  // MediaCaptureDevicesDispatcher::Observer:
-  void OnRequestUpdate(int render_process_id,
-                       int render_frame_id,
-                       content::MediaStreamType stream_type,
-                       const content::MediaRequestState state) override;
-
- private:
-  void NotifyMediaCaptureChange();
-
-  base::WeakPtrFactory<MediaDelegateChromeOS> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(MediaDelegateChromeOS);
-};
-
-#endif  // CHROME_BROWSER_UI_ASH_MEDIA_DELEGATE_CHROMEOS_H_