Remove dead code related to media device enumerations and monitoring.

content/browser/renderer_host/media/media_stream_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_REQUESTER_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_
 
 #include <string>
 
 #include "content/common/content_export.h"
@@ skipping 16 matching lines @@
   virtual void StreamGenerationFailed(
       int render_frame_id,
       int page_request_id,
       content::MediaStreamRequestResult result) = 0;
   // Called if a device has been stopped by a user from UI or the device
   // has become unavailable.  |render_frame_id| is the render frame that
   // requested the device and |label| is the label of the request.
   virtual void DeviceStopped(int render_frame_id,
                              const std::string& label,
                              const StreamDeviceInfo& device) = 0;
-  // Called as a reply of a successful call to EnumerateDevices.
-  virtual void DevicesEnumerated(int render_frame_id,
-                                 int page_request_id,
-                                 const std::string& label,
-                                 const StreamDeviceInfoArray& devices) = 0;
   // Called as a reply of a successful call to OpenDevice.
   virtual void DeviceOpened(int render_frame_id,
                             int page_request_id,
                             const std::string& label,
                             const StreamDeviceInfo& device_info) = 0;
-  // Called when the set of media devices has changed, provided the
-  // MediaStreamRequester is subscribed and authorized to receive such messages.
-  virtual void DevicesChanged(MediaStreamType type) = 0;
 
  protected:
   virtual ~MediaStreamRequester() {
   }
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_REQUESTER_H_