Add signin metrics access points used on iOS.

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

Index: chrome/browser/ui/webui/signin/inline_login_handler.cc
diff --git a/chrome/browser/ui/webui/signin/inline_login_handler.cc b/chrome/browser/ui/webui/signin/inline_login_handler.cc
index bd4df84986758e08655f6d2ac08e52cbcbf423c5..6b622ee9430c2b087c4c9b748d9462d6ca287df5 100644
--- a/chrome/browser/ui/webui/signin/inline_login_handler.cc
+++ b/chrome/browser/ui/webui/signin/inline_login_handler.cc
@@ -181,6 +181,14 @@ void InlineLoginHandler::RecordSigninUserActionForAccessPoint(
       content::RecordAction(
           base::UserMetricsAction("Signin_Signin_FromNTPContentSuggestions"));
       break;
+    case signin_metrics::AccessPoint::ACCESS_POINT_RESIGNIN_INFOBAR:
+      content::RecordAction(
+          base::UserMetricsAction("Signin_Signin_FromReSigninInfobar"));
+      break;
+    case signin_metrics::AccessPoint::ACCESS_POINT_TAB_SWITCHER:
+      content::RecordAction(
+          base::UserMetricsAction("Signin_Signin_FromTabSwitcher"));
+      break;
     case signin_metrics::AccessPoint::ACCESS_POINT_MAX:
       NOTREACHED();
       break;