Replace MediaStreamUIController with MediaStreamUIProxy.

content/browser/renderer_host/media/media_stream_settings_requester.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_RENDERER_HOST_MEDIA_MEDIA_STREAM_SETTINGS_REQUESTER_H_
-#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_SETTINGS_REQUESTER_H_
-
-#include <string>
-
-#include "content/common/content_export.h"
-#include "content/common/media/media_stream_options.h"
-
-namespace content {
-
-// Implemented by the class requesting media capture device usage.
-class CONTENT_EXPORT SettingsRequester {
- public:
-  // If no error occurred, this call will deliver the result and the request
-  // is considered answered.
-  virtual void DevicesAccepted(const std::string& label,
-                               const StreamDeviceInfoArray& devices) = 0;
-
-  // An error for specified |request_id| has occurred.
-  virtual void SettingsError(const std::string& label) = 0;
-
-  // Called when user requested the stream with the specified |label| to be
-  // stopped.
-  virtual void StopStreamFromUI(const std::string& label) = 0;
-
-  // Gets a list of available devices stored in the requester.
-  virtual void GetAvailableDevices(MediaStreamDevices* devices) = 0;
-
- protected:
-  virtual ~SettingsRequester() {}
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_SETTINGS_REQUESTER_H_