Fix incorrect IPC_ENUM_TRAITS_MAX_VALUE for NTPLoggingEventType

chrome/common/ntp_logging_events.h

 // Copyright 2013 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_COMMON_NTP_LOGGING_EVENTS_H_
 #define CHROME_COMMON_NTP_LOGGING_EVENTS_H_
 
 // The different types of events that are logged from the NTP. This enum is used
 // to transfer information from the NTP javascript to the renderer and is not
 // used as a UMA enum histogram's logged value.
-// Note: Keep in sync with browser/resources/local_ntp/most_visited_utils.js
+// Note: Keep in sync with browser/resources/local_ntp/most_visited_util.js
 enum NTPLoggingEventType {
   // The suggestion is coming from the server.
   NTP_SERVER_SIDE_SUGGESTION = 0,
 
   // The suggestion is coming from the client.
   NTP_CLIENT_SIDE_SUGGESTION = 1,
 
   // Indicates a tile was rendered, no matter if it's a thumbnail, a gray tile
   // or an external tile.
   NTP_TILE = 2,
@@ skipping 14 matching lines @@
 
   // Used a gray tile with the domain as the fallback for a failed thumbnail.
   NTP_GRAY_TILE_FALLBACK = 7,
 
   // The visuals of that tile's fallback are handled externally.
   NTP_EXTERNAL_TILE_FALLBACK = 8,
 
   // The user moused over an NTP tile or title.
   NTP_MOUSEOVER = 9,
 
-  NTP_NUM_EVENT_TYPES
+  NTP_EVENT_TYPE_LAST = NTP_MOUSEOVER
 };
 
 #endif  // CHROME_COMMON_NTP_LOGGING_EVENTS_H_