Added ConnectionTimeObserver to calculate the times to authenticate and connect.

remoting/test/chromoting_test_driver.cc

 // Copyright 2015 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 "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
@@ skipping 165 matching lines @@
   // NOTE: We do this check after updating the switches as otherwise the gtest
   //       help is written in parallel with our text and can appear interleaved.
   if (command_line->HasSwitch(switches::kHelpSwitchName)) {
     PrintUsage();
     PrintJsonFileInfo();
     PrintAuthCodeInfo();
     return base::LaunchUnitTestsSerially(
       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()) {
     // Turn on logging for the test_driver and remoting components.
     // This switch is parsed during logging::InitLogging.
     command_line->AppendSwitchASCII("vmodule",
                                     "*/remoting/*=" + verbosity_level);
     logging::LoggingSettings logging_settings;
     logging::InitLogging(logging_settings);
   }
@@ skipping 42 matching lines @@
   // Since we've successfully set up our shared_data object, we'll assign the
   // value to our global* and transfer ownership to the framework.
   remoting::test::g_chromoting_shared_data = shared_data.release();
   testing::AddGlobalTestEnvironment(remoting::test::g_chromoting_shared_data);
 
   // Running the tests serially will avoid clients from connecting to the same
   // host.
   return base::LaunchUnitTestsSerially(
       argc, argv, base::Bind(&NoAtExitBaseTestSuite::RunTestSuite, argc, argv));
 }