fix a copy&paste error.

MediaStreamDispatcher::OnDevicesEnumerationFailed() should call request.handler->OnDevicesEnumerationFailed(), instead of request.handler->OnStreamGenerationFailed().

BUG=140968
Review URL: https://chromiumcodereview.appspot.com/10836136

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150399 0039d316-1c4b-4281-b951-d872f2087c98

content/renderer/media/media_stream_dispatcher.cc

@@ -240,7 +240,7 @@ void MediaStreamDispatcher::OnDevicesEnumerationFailed(int request_id) {
     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";
       }