remove VideoDeviceError and AudioDeviceError for media stream.

content/browser/renderer_host/media/media_stream_dispatcher_host.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_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 14 matching lines @@
       public MediaStreamRequester {
  public:
   explicit MediaStreamDispatcherHost(int render_process_id);
 
   // MediaStreamRequester implementation.
   virtual void StreamGenerated(
       const std::string& label,
       const StreamDeviceInfoArray& audio_devices,
       const StreamDeviceInfoArray& video_devices) OVERRIDE;
   virtual void StreamGenerationFailed(const std::string& label) OVERRIDE;
-  virtual void AudioDeviceFailed(const std::string& label, int index) OVERRIDE;
-  virtual void VideoDeviceFailed(const std::string& label, int index) OVERRIDE;
   virtual void DevicesEnumerated(const std::string& label,
                                  const StreamDeviceInfoArray& devices) OVERRIDE;
   virtual void DeviceOpened(const std::string& label,
                             const StreamDeviceInfo& video_device) OVERRIDE;
 
   // content::BrowserMessageFilter implementation.
   virtual bool OnMessageReceived(const IPC::Message& message,
                                  bool* message_was_ok) OVERRIDE;
   virtual void OnChannelClosing() OVERRIDE;
 
@@ skipping 38 matching lines @@
   typedef std::map<std::string, StreamRequest> StreamMap;
   // Streams generated for this host.
   StreamMap streams_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaStreamDispatcherHost);
 };
 
 }  // namespace media_stream
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_MEDIA_STREAM_DISPATCHER_HOST_H_