Chromoting to report roundtrip latency

remoting/protocol/input_sender.cc

 // Copyright (c) 2010 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.
 
 // This stub is thread safe because of the use of BufferedSocketWriter.
 // BufferedSocketWriter buffers messages and send them on them right thread.
 
 #include "remoting/protocol/input_sender.h"
 
 #include "base/task.h"
@@ skipping 10 matching lines @@
   // TODO(garykac) Set write failed callback.
   DCHECK(socket);
   buffered_writer_->Init(socket, NULL);
 }
 
 InputSender::~InputSender() {
 }
 
 void InputSender::InjectKeyEvent(const KeyEvent* event, Task* done) {
   EventMessage message;
-  // TODO(hclam): Provide timestamp.
-  message.set_timestamp(0);
+  message.set_sequence_number(base::Time::Now().ToInternalValue());
   message.mutable_key_event()->CopyFrom(*event);
   buffered_writer_->Write(SerializeAndFrameMessage(message), done);
 }
 
 void InputSender::InjectMouseEvent(const MouseEvent* event, Task* done) {
   EventMessage message;
-  // TODO(hclam): Provide timestamp.
-  message.set_timestamp(0);
+  message.set_sequence_number(base::Time::Now().ToInternalValue());
   message.mutable_mouse_event()->CopyFrom(*event);
   buffered_writer_->Write(SerializeAndFrameMessage(message), done);
 }
 
 }  // namespace protocol
 }  // namespace remoting