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

chrome/browser/ui/user_manager.cc

Index: chrome/browser/ui/user_manager.cc
diff --git a/chrome/browser/ui/user_manager.cc b/chrome/browser/ui/user_manager.cc
index 2e826f861b27d3b9637319f85e99e121a9cbac65..346aeb9d5eb815128b7a69e2e20ee7c991384bbe 100644
--- a/chrome/browser/ui/user_manager.cc
+++ b/chrome/browser/ui/user_manager.cc
@@ -44,7 +44,10 @@ void UserManager::ReauthDialogObserver::DidStopLoading() {
   // webview and observe it instead.  The webview may not be found in the
   // initial page load since it loads asynchronously.
   if (url.GetOrigin() !=
-        signin::GetReauthURLWithEmail(email_address_).GetOrigin()) {
+      signin::GetReauthURLWithEmail(signin_metrics::ACCESS_POINT_USER_MANAGER,
+                                    signin_metrics::REASON_UNLOCK,
+                                    email_address_)
+          .GetOrigin()) {
     return;
   }