remove VideoDeviceError and AudioDeviceError for media stream.

content/renderer/pepper/pepper_device_enumeration_event_handler.cc

 // 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.
 
 #include "content/renderer/pepper/pepper_device_enumeration_event_handler.h"
 
 #include "base/logging.h"
 #include "ppapi/shared_impl/ppb_device_ref_shared.h"
 
 namespace content {
@@ skipping 37 matching lines @@
     int request_id,
     const std::string& label,
     const media_stream::StreamDeviceInfoArray& audio_device_array,
     const media_stream::StreamDeviceInfoArray& video_device_array) {
 }
 
 void PepperDeviceEnumerationEventHandler::OnStreamGenerationFailed(
     int request_id) {
 }
 
-void PepperDeviceEnumerationEventHandler::OnVideoDeviceFailed(
-    const std::string& label,
-    int index) {
-}
-
-void PepperDeviceEnumerationEventHandler::OnAudioDeviceFailed(
-    const std::string& label,
-    int index) {
-}
-
 void PepperDeviceEnumerationEventHandler::OnDevicesEnumerated(
     int request_id,
     const media_stream::StreamDeviceInfoArray& device_array) {
   NotifyDevicesEnumerated(request_id, true, device_array);
 }
 
 void PepperDeviceEnumerationEventHandler::OnDevicesEnumerationFailed(
     int request_id) {
   NotifyDevicesEnumerated(request_id, false,
                           media_stream::StreamDeviceInfoArray());
@@ skipping 79 matching lines @@
     return;
   }
 
   PepperPluginDelegateImpl::OpenDeviceCallback callback = iter->second;
   open_callbacks_.erase(iter);
 
   callback.Run(request_id, succeeded, label);
 }
 
 }  // namespace content