Revert of Remove Client= from device/serial/data_stream.mojom.

device/serial/serial_service_impl.cc

Index: device/serial/serial_service_impl.cc
diff --git a/device/serial/serial_service_impl.cc b/device/serial/serial_service_impl.cc
index 6fd6ce05e792a4f84f135caae61c845c28374c46..fceb448c275d8733972a968de8da743c402be5cd 100644
--- a/device/serial/serial_service_impl.cc
+++ b/device/serial/serial_service_impl.cc
@@ -61,14 +61,14 @@
     serial::ConnectionOptionsPtr options,
     mojo::InterfaceRequest<serial::Connection> connection_request,
     mojo::InterfaceRequest<serial::DataSink> sink,
-    mojo::InterfacePtr<serial::DataSinkClient> sink_client,
-    mojo::InterfaceRequest<serial::DataSource> source,
-    mojo::InterfacePtr<serial::DataSourceClient> source_client) {
+    mojo::InterfaceRequest<serial::DataSource> source) {
   if (!IsValidPath(path))
     return;
-  connection_factory_->CreateConnection(
-      path, options.Pass(), connection_request.Pass(), sink.Pass(),
-      sink_client.Pass(), source.Pass(), source_client.Pass());
+  connection_factory_->CreateConnection(path,
+                                        options.Pass(),
+                                        connection_request.Pass(),
+                                        sink.Pass(),
+                                        source.Pass());
 }
 
 SerialDeviceEnumerator* SerialServiceImpl::GetDeviceEnumerator() {