NTP4: remove unused promo C++

chrome/browser/chrome_notification_types.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_
 
 #include "build/build_config.h"
 
 #if defined(ENABLE_EXTENSIONS)
@@ skipping 233 matching lines @@
   // normal and OTR profiles.
   // The details are none and the source is a Profile*.
   NOTIFICATION_PROFILE_DESTROYED,
 
   // Sent after the URLRequestContextGetter for a Profile has been initialized.
   // The details are none and the source is a Profile*.
   NOTIFICATION_PROFILE_URL_REQUEST_CONTEXT_GETTER_INITIALIZED,
 
   // Non-history storage services --------------------------------------------
 
-  // The state of a web resource has been changed. A resource may have been
-  // added, removed, or altered. Source is WebResourceService, and the
-  // details are NoDetails.
-  NOTIFICATION_PROMO_RESOURCE_STATE_CHANGED,
-
   // A safe browsing database update completed.  Source is the
   // SafeBrowsingService and the details are a bool indicating whether the
   // update was successful.
   NOTIFICATION_SAFE_BROWSING_UPDATE_COMPLETE,
 
   // Autocomplete ------------------------------------------------------------
 
   // Sent by the autocomplete controller when done.  The source is the
   // AutocompleteController, the details not used.
   NOTIFICATION_AUTOCOMPLETE_CONTROLLER_RESULT_READY,
@@ skipping 271 matching lines @@
   // Note:-
   // Currently only Content and Chrome define and use notifications.
   // Custom notifications not belonging to Content and Chrome should start
   // from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_CHROME_NOTIFICATION_TYPES_H_