Added ConnectionTimeObserver to calculate the times to authenticate and connect.

remoting/test/chromoting_test_driver.cc

Index: remoting/test/chromoting_test_driver.cc
diff --git a/remoting/test/chromoting_test_driver.cc b/remoting/test/chromoting_test_driver.cc
index 05dddc0a37bc62764861c210b04d444529ab6557..15afca8f72a3a19ca848340c73d3b08d3cabe6e4 100644
--- a/remoting/test/chromoting_test_driver.cc
+++ b/remoting/test/chromoting_test_driver.cc
@@ -17,6 +17,7 @@
 #include "google_apis/google_api_keys.h"
 #include "net/base/escape.h"
 #include "remoting/test/access_token_fetcher.h"
+#include "remoting/test/connection_time_observer.h"
 #include "remoting/test/host_info.h"
 #include "remoting/test/host_list_fetcher.h"
 #include "remoting/test/refresh_token_store.h"
@@ -197,7 +198,7 @@ int main(int argc, char* argv[]) {
     return 0;
   }
 
-  // Update the logging verbosity level is user specified one.
+  // Update the logging verbosity level if user specified one.
   std::string verbosity_level(
       command_line->GetSwitchValueASCII(switches::kLoggingLevelSwitchName));
   if (!verbosity_level.empty()) {
@@ -305,12 +306,22 @@ int main(int argc, char* argv[]) {
   if (it != hostlist.end()) {
     // Host is online and ready, initiate a remote session.
     base::Timer timer(true, false);
+    remoting::test::ConnectionTimeObserver observer;
+    test_chromoting_client.AddRemoteConnectionObserver(&observer);

[joedow, 2015/07/27 21:45:44]

Please send an update once your change to add the environment class to main()
lands so we can review the merge of the two CLs.

[tonychun, 2015/07/28 17:53:44]

The changes have landed and are now together with this CL.

+
+    // The timer will forcefully end the chromoting connection process in
+    // |kConnectionTimeoutSeconds| seconds. The set limit on time to connect
+    // stops the client from waiting indefinitely for a connection.
     timer.Start(FROM_HERE,
                 base::TimeDelta::FromSeconds(kConnectionTimeoutSeconds),
                 run_loop->QuitClosure());
+    observer.Initialize();
     test_chromoting_client.StartConnection(
         it->GenerateConnectionSetupInfo(access_token, username, pin));
     run_loop->Run();
+
+    observer.DisplayConnectionStats();
+    test_chromoting_client.RemoveRemoteConnectionObserver(&observer);
     test_chromoting_client.EndConnection();
   } else {
     LOG(ERROR) << "Requested host not found or not ready to connect";