[Chromoting] Use ProcessStatsSender in host process

remoting/protocol/webrtc_connection_to_client.cc

Index: remoting/protocol/webrtc_connection_to_client.cc
diff --git a/remoting/protocol/webrtc_connection_to_client.cc b/remoting/protocol/webrtc_connection_to_client.cc
index 60f02823a1acd68fa951e6a9366e9c5f30b5fcc5..0df5e79db98b6af1794ab32bd73ee76e468eecb9 100644
--- a/remoting/protocol/webrtc_connection_to_client.cc
+++ b/remoting/protocol/webrtc_connection_to_client.cc
@@ -20,6 +20,8 @@
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/input_stub.h"
 #include "remoting/protocol/message_pipe.h"
+#include "remoting/protocol/process_stats_dispatcher.h"
+#include "remoting/protocol/process_stats_stub.h"
 #include "remoting/protocol/transport_context.h"
 #include "remoting/protocol/webrtc_audio_stream.h"
 #include "remoting/protocol/webrtc_transport.h"
@@ -49,6 +51,7 @@ WebrtcConnectionToClient::WebrtcConnectionToClient(
       audio_task_runner_(audio_task_runner),
       control_dispatcher_(new HostControlDispatcher()),
       event_dispatcher_(new HostEventDispatcher()),
+      stats_dispatcher_(new ProcessStatsDispatcher()),
       weak_factory_(this) {
   session_->SetEventHandler(this);
   session_->SetTransport(transport_.get());
@@ -104,6 +107,12 @@ ClientStub* WebrtcConnectionToClient::client_stub() {
   return control_dispatcher_.get();
 }
 
+// Return pointer to ProcessStatsStub.
+ProcessStatsStub* WebrtcConnectionToClient::stats_stub() {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  return stats_dispatcher_.get();
+}
+
 void WebrtcConnectionToClient::set_clipboard_stub(
     protocol::ClipboardStub* clipboard_stub) {
   DCHECK(thread_checker_.CalledOnValidThread());
@@ -151,6 +160,7 @@ void WebrtcConnectionToClient::OnSessionStateChange(Session::State state) {
     case Session::FAILED:
       control_dispatcher_.reset();
       event_dispatcher_.reset();
+      stats_dispatcher_.reset();
       transport_->Close(state == Session::CLOSED ? OK : session_->error());
       transport_.reset();
       event_handler_->OnConnectionClosed(