Log when the host is started for an account.

remoting/host/chromoting_host.cc

Index: remoting/host/chromoting_host.cc
diff --git a/remoting/host/chromoting_host.cc b/remoting/host/chromoting_host.cc
index 9a9abee43c591ea9728d257d29b1bc55a1c25eb9..e902ce6d943381120ab6495bfcef3ffbda296ec0 100644
--- a/remoting/host/chromoting_host.cc
+++ b/remoting/host/chromoting_host.cc
@@ -96,7 +96,7 @@ ChromotingHost::~ChromotingHost() {
   DCHECK(clients_.empty());
 }
 
-void ChromotingHost::Start() {
+void ChromotingHost::Start(const std::string& xmpp_login) {
   DCHECK(context_->network_task_runner()->BelongsToCurrentThread());
 
   LOG(INFO) << "Starting host";
@@ -106,6 +106,9 @@ void ChromotingHost::Start() {
     return;
   state_ = kStarted;
 
+  FOR_EACH_OBSERVER(HostStatusObserver, status_observers_,
+                    OnStart(xmpp_login));
+
   // Start the SessionManager, supplying this ChromotingHost as the listener.
   session_manager_->Init(signal_strategy_, this);
 }