Collect tab timing information for use in telementry-based startup tests

chrome/test/ui/ui_test.cc

Index: chrome/test/ui/ui_test.cc
diff --git a/chrome/test/ui/ui_test.cc b/chrome/test/ui/ui_test.cc
index 8521934a76ba6a2681e0cfcbe92912d7ce31bc45..a7672982b4f182847a4add4ed23671224b00daa7 100644
--- a/chrome/test/ui/ui_test.cc
+++ b/chrome/test/ui/ui_test.cc
@@ -85,6 +85,7 @@ UITestBase::UITestBase()
       homepage_(content::kAboutBlankURL),
       wait_for_initial_loads_(true),
       dom_automation_enabled_(false),
+      stats_collection_controller_enabled_(false),
       show_window_(false),
       clear_profile_(true),
       include_testing_id_(true),
@@ -99,6 +100,7 @@ UITestBase::UITestBase(base::MessageLoop::Type msg_loop_type)
       expected_crashes_(0),
       wait_for_initial_loads_(true),
       dom_automation_enabled_(false),
+      stats_collection_controller_enabled_(false),
       show_window_(false),
       clear_profile_(true),
       include_testing_id_(true),
@@ -187,6 +189,8 @@ void UITestBase::SetLaunchSwitches() {
     launch_arguments_.AppendSwitch(switches::kEnableFileCookies);
   if (dom_automation_enabled_)
     launch_arguments_.AppendSwitch(switches::kDomAutomationController);
+  if (stats_collection_controller_enabled_)
+    launch_arguments_.AppendSwitch(switches::kStatsCollectionController);
   // Allow off-store extension installs.
   launch_arguments_.AppendSwitchASCII(
       switches::kEasyOffStoreExtensionInstall, "1");