Remove the old signature of NotificationManager::closePersistent().

content/child/notifications/notification_manager.cc

 // Copyright 2014 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.
 
 #include "content/child/notifications/notification_manager.h"
 
 #include "base/lazy_instance.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
 #include "base/threading/thread_local.h"
@@ skipping 123 matching lines @@
 }
 
 void NotificationManager::closePersistent(
     const blink::WebSerializedOrigin& origin,
     const blink::WebString& persistent_notification_id) {
   thread_safe_sender_->Send(new PlatformNotificationHostMsg_ClosePersistent(
       GURL(origin.string()),
       base::UTF16ToUTF8(persistent_notification_id)));
 }
 
-void NotificationManager::closePersistent(
-    const blink::WebString& persistent_notification_id) {
-  closePersistent(blink::WebSerializedOrigin(), persistent_notification_id);
-}
-
 void NotificationManager::notifyDelegateDestroyed(
     blink::WebNotificationDelegate* delegate) {
   if (pending_notifications_.CancelPageNotificationFetches(delegate))
     return;
 
   for (auto& iter : active_page_notifications_) {
     if (iter.second != delegate)
       continue;
 
     active_page_notifications_.erase(iter.first);
@@ skipping 77 matching lines @@
           GURL(origin.string()),
           icon,
           ToPlatformNotificationData(notification_data)));
 
   // There currently isn't a case in which the promise would be rejected per
   // our implementation, so always resolve it here.
   callbacks->onSuccess();
 }
 
 }  // namespace content