[rAc OSX] Restore arrow for top notification.

chrome/browser/ui/cocoa/autofill/autofill_notification_container.mm

Index: chrome/browser/ui/cocoa/autofill/autofill_notification_container.mm
diff --git a/chrome/browser/ui/cocoa/autofill/autofill_notification_container.mm b/chrome/browser/ui/cocoa/autofill/autofill_notification_container.mm
index 87783759d9caa963c35243c2f8be6d89fd8209a1..f25680f668fdb7c5b73e5fa8954100e8304638f2 100644
--- a/chrome/browser/ui/cocoa/autofill/autofill_notification_container.mm
+++ b/chrome/browser/ui/cocoa/autofill/autofill_notification_container.mm
@@ -76,6 +76,11 @@
                                     initWithNotification:&notification
                                                 delegate:delegate_]);
 
+    if (i == 0) {
+      [notificationController setHasArrow:notification.HasArrow()
+                           withAnchorView:anchorView_];
+    }
+
     [notificationControllers_ addObject:notificationController];
     [[self view] addSubview:[notificationController view]];
   }