Implement newly designed sign-in related histograms for desktop platorms.

chrome/browser/ui/webui/signin/login_ui_test_utils.cc

Index: chrome/browser/ui/webui/signin/login_ui_test_utils.cc
diff --git a/chrome/browser/ui/webui/signin/login_ui_test_utils.cc b/chrome/browser/ui/webui/signin/login_ui_test_utils.cc
index c1548376074e28f15e0b0a4287ca5190e264a4df..44dcc6b6cbc4939ba9e38f68f75a1b416b1bc67c 100644
--- a/chrome/browser/ui/webui/signin/login_ui_test_utils.cc
+++ b/chrome/browser/ui/webui/signin/login_ui_test_utils.cc
@@ -206,13 +206,15 @@ bool SignInWithUI(Browser* browser,
                   const std::string& username,
                   const std::string& password,
                   bool wait_for_account_cookies,
-                  signin_metrics::Source signin_source) {
+                  signin_metrics::AccessPoint access_point) {
   SignInObserver signin_observer(wait_for_account_cookies);
   scoped_ptr<SigninTracker> tracker =
       SigninTrackerFactory::CreateForProfile(browser->profile(),
                                              &signin_observer);
 
-  GURL signin_url = signin::GetPromoURL(signin_source, false);
+  GURL signin_url = signin::GetPromoURL(
+      access_point, signin_metrics::Reason::REASON_SIGNIN_PRIMARY_ACCOUNT,
+      false);
   DVLOG(1) << "Navigating to " << signin_url;
   // For some tests, the window is not shown yet and this might be the first tab
   // navigation, so GetActiveWebContents() for CURRENT_TAB is NULL. That's why
@@ -236,8 +238,8 @@ bool SignInWithUI(Browser* browser,
                   const std::string& username,
                   const std::string& password) {
   return SignInWithUI(browser, username, password,
-                      false  /* wait_for_account_cookies */,
-                      signin_metrics::SOURCE_START_PAGE);
+                      false /* wait_for_account_cookies */,
+                      signin_metrics::AccessPoint::ACCESS_POINT_START_PAGE);
 }
 
 }  // namespace login_ui_test_utils