Remove NOTIFICATION_WEB_STORE_PROMO_LOADED; the code that fired it was removed in r149235!

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"
 #include "content/public/browser/notification_types.h"
 
@@ skipping 1102 matching lines @@
 
   // Sent when the Ash session has started. In its current incantation this is
   // generated when the metro app has connected to the browser IPC channel.
   // Used only on Windows.
   NOTIFICATION_ASH_SESSION_STARTED,
   // Sent when the Ash session ended. Currently this means the metro app exited.
   // Used only on Windows.
   NOTIFICATION_ASH_SESSION_ENDED,
 #endif
 
-  // Sent when a new web store promo has been loaded.
-  NOTIFICATION_WEB_STORE_PROMO_LOADED,
-
   // Protocol Handler Registry -----------------------------------------------
   // Sent when a ProtocolHandlerRegistry is changed. The source is the profile.
   NOTIFICATION_PROTOCOL_HANDLER_REGISTRY_CHANGED,
 
   // Sent when the cached profile info has changed.
   NOTIFICATION_PROFILE_CACHED_INFO_CHANGED,
 
   // Sent when the cached profile has finished writing a profile picture to
   // disk.
   NOTIFICATION_PROFILE_CACHE_PICTURE_SAVED,
@@ skipping 79 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_