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

device/serial/serial_connection_factory.h

 // Copyright 2014 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 DEVICE_SERIAL_SERIAL_CONNECTION_FACTORY_H_
 #define DEVICE_SERIAL_SERIAL_CONNECTION_FACTORY_H_
 
 #include <string>
 
 #include "base/callback.h"
@@ skipping 14 matching lines @@
 
   SerialConnectionFactory(
       const IoHandlerFactory& io_handler_factory,
       scoped_refptr<base::MessageLoopProxy> connect_message_loop);
 
   void CreateConnection(
       const std::string& path,
       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);
 
  private:
   friend class base::RefCountedThreadSafe<SerialConnectionFactory>;
   class ConnectTask;
 
   virtual ~SerialConnectionFactory();
 
   const IoHandlerFactory io_handler_factory_;
   scoped_refptr<base::MessageLoopProxy> connect_message_loop_;
 
   DISALLOW_COPY_AND_ASSIGN(SerialConnectionFactory);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_SERIAL_SERIAL_CONNECTION_FACTORY_H_