[Notification] Stop calling detachPresenter().

content/renderer/active_notification_tracker.cc

 // Copyright (c) 2011 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/renderer/active_notification_tracker.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "third_party/WebKit/public/web/WebNotification.h"
 #include "third_party/WebKit/public/web/WebNotificationPermissionCallback.h"
@@ skipping 48 matching lines @@
     reverse_notification_table_.erase(*notification);
 }
 
 void ActiveNotificationTracker::Clear() {
   while (!reverse_notification_table_.empty()) {
     ReverseTable::iterator iter = reverse_notification_table_.begin();
     UnregisterNotification((*iter).second);
   }
 }
 
-void ActiveNotificationTracker::DetachAll() {
-  ReverseTable::iterator iter;
-  for (iter = reverse_notification_table_.begin();
-       iter != reverse_notification_table_.end();
-       ++iter) {
-    WebNotification notification(iter->first);
-    notification.detachPresenter();
-  }
-}
-
 WebNotificationPermissionCallback* ActiveNotificationTracker::GetCallback(
     int id) {
   return callback_table_.Lookup(id);
 }
 
 int ActiveNotificationTracker::RegisterPermissionRequest(
     WebNotificationPermissionCallback* callback) {
   return callback_table_.Add(callback);
 }
 
 void ActiveNotificationTracker::OnPermissionRequestComplete(int id) {
   callback_table_.Remove(id);
 }
 
 }  // namespace content