fix a copy&paste error.

content/renderer/media/media_stream_dispatcher.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/media/media_stream_dispatcher.h"
 
 #include "base/logging.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
 #include "content/renderer/render_view_impl.h"
@@ skipping 222 matching lines @@
     }
   }
 }
 
 void MediaStreamDispatcher::OnDevicesEnumerationFailed(int request_id) {
   for (RequestList::iterator it = requests_.begin();
        it != requests_.end(); ++it) {
     Request& request = *it;
     if (request.ipc_request == request_id) {
       if (request.handler) {
-        request.handler->OnStreamGenerationFailed(request.request_id);
+        request.handler->OnDevicesEnumerationFailed(request.request_id);
         DVLOG(1) << "MediaStreamDispatcher::OnDevicesEnumerationFailed("
                  << request.request_id << ")\n";
       }
       requests_.erase(it);
       break;
     }
   }
 }
 
 void MediaStreamDispatcher::OnDeviceOpened(
@@ skipping 57 matching lines @@
 
 int MediaStreamDispatcher::video_session_id(const std::string& label,
                                             int index) {
   LabelStreamMap::iterator it = label_stream_map_.find(label);
   if (it == label_stream_map_.end())
     return media_stream::StreamDeviceInfo::kNoId;
 
   DCHECK_GT(it->second.video_array.size(), static_cast<size_t>(index));
   return it->second.video_array[index].session_id;
 }