Adding success/failure notification haptics for HUD display.

ios/chrome/browser/ui/uikit_ui_util.mm

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #import "ios/chrome/browser/ui/uikit_ui_util.h"
 
 #import <Accelerate/Accelerate.h>
 #import <Foundation/Foundation.h>
 #import <QuartzCore/QuartzCore.h>
 #include <stddef.h>
@@ skipping 663 matching lines @@
 
 // On iOS10 and above, trigger a haptic vibration for the change in selection.
 // This is a no-op for devices that do not support it.
 void TriggerHapticFeedbackForSelectionChange() {
   if (base::ios::IsRunningOnIOS10OrLater()) {
     UISelectionFeedbackGenerator* generator =
         [[UISelectionFeedbackGenerator alloc] init];
     [generator selectionChanged];
   }
 }
+
+// On iOS10 and above, trigger a haptic vibration for a notification.
+// This is a no-op for devices that do not support it.
+void TriggerHapticFeedbackForNotification(UINotificationFeedbackType type) {
+  if (base::ios::IsRunningOnIOS10OrLater()) {
+    UINotificationFeedbackGenerator* generator =
+        [[UINotificationFeedbackGenerator alloc] init];
+    [generator notificationOccurred:type];
+  }
+}