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 431dac243eb4018dbdd2385d70e54c2a6d76ba60..97ab8229713a462dfe872312beda5d671c376720 100644
--- a/remoting/test/chromoting_test_driver.cc
+++ b/remoting/test/chromoting_test_driver.cc
@@ -183,7 +183,7 @@ int main(int argc, char* argv[]) {
       argc, argv, base::Bind(&NoAtExitBaseTestSuite::RunTestSuite, argc, argv));
   }
 
-  // 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()) {