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

chrome/browser/ui/sync/one_click_signin_sync_observer.cc

Index: chrome/browser/ui/sync/one_click_signin_sync_observer.cc
diff --git a/chrome/browser/ui/sync/one_click_signin_sync_observer.cc b/chrome/browser/ui/sync/one_click_signin_sync_observer.cc
index 69069ddaef7403e8c6bb518af0123ba4c7f812e6..38ed198dbfcdb021ddf9327ea175dcc6c46c4081 100644
--- a/chrome/browser/ui/sync/one_click_signin_sync_observer.cc
+++ b/chrome/browser/ui/sync/one_click_signin_sync_observer.cc
@@ -79,8 +79,8 @@ void OneClickSigninSyncObserver::OnStateChanged() {
     }
 
     if (sync_service->IsSyncActive() &&
-        signin::GetSourceForPromoURL(continue_url_)
-            != signin_metrics::SOURCE_SETTINGS) {
+        signin::GetAccessPointForPromoURL(continue_url_) !=
+            signin_metrics::AccessPoint::ACCESS_POINT_SETTINGS) {
       // TODO(isherman): Having multiple settings pages open can cause issues
       // redirecting after Sync is set up: http://crbug.com/355885
       LoadContinueUrl();