Add UMA histograms for more detailed latency tracking on the CRD host.

remoting/host/client_session.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 "remoting/host/client_session.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 386 matching lines @@
   mouse_shape_pump_.reset();
   client_clipboard_factory_.InvalidateWeakPtrs();
   input_injector_.reset();
   screen_controls_.reset();
   desktop_environment_.reset();
 
   // Notify the ChromotingHost that this client is disconnected.
   event_handler_->OnSessionClosed(this);
 }
 
-void ClientSession::OnEventTimestamp(protocol::ConnectionToClient* connection,
-                                     int64 timestamp) {
+void ClientSession::OnInputEventReceived(
+    protocol::ConnectionToClient* connection,
+    int64_t event_timestamp) {
   DCHECK(CalledOnValidThread());
   DCHECK_EQ(connection_.get(), connection);
 
   if (video_frame_pump_.get())
-    video_frame_pump_->SetLatestEventTimestamp(timestamp);
+    video_frame_pump_->OnInputEventReceived(event_timestamp);
 }
 
 void ClientSession::OnRouteChange(
     protocol::ConnectionToClient* connection,
     const std::string& channel_name,
     const protocol::TransportRoute& route) {
   DCHECK(CalledOnValidThread());
   DCHECK_EQ(connection_.get(), connection);
   event_handler_->OnSessionRouteChange(this, channel_name, route);
 }
@@ skipping 83 matching lines @@
 
 scoped_ptr<protocol::ClipboardStub> ClientSession::CreateClipboardProxy() {
   DCHECK(CalledOnValidThread());
 
   return make_scoped_ptr(
       new protocol::ClipboardThreadProxy(client_clipboard_factory_.GetWeakPtr(),
                                          base::ThreadTaskRunnerHandle::Get()));
 }
 
 }  // namespace remoting