Remove NOTIFICATION_HISTORY_URL_VISITED

chrome/browser/history/in_memory_url_index.h

 // Copyright (c) 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_HISTORY_IN_MEMORY_URL_INDEX_H_
 #define CHROME_BROWSER_HISTORY_IN_MEMORY_URL_INDEX_H_
 
 #include <functional>
 #include <map>
 #include <set>
@@ skipping 30 matching lines @@
 
 namespace history {
 
 namespace imui = in_memory_url_index;
 
 class HistoryClient;
 class HistoryDatabase;
 class URLIndexPrivateData;
 struct URLsDeletedDetails;
 struct URLsModifiedDetails;
-struct URLVisitedDetails;
 
 // The URL history source.
 // Holds portions of the URL database in memory in an indexed form.  Used to
 // quickly look up matching URLs for a given query string.  Used by
 // the HistoryURLProvider for inline autocomplete and to provide URL
 // matches to the omnibox.
 //
 // Note about multi-byte codepoints and the data structures in the
 // InMemoryURLIndex class: One will quickly notice that no effort is made to
 // insure that multi-byte character boundaries are detected when indexing the
@@ skipping 247 matching lines @@
   // temporary safety check to insure that the cache is saved before the
   // index has been destructed.
   bool needs_to_be_cached_;
 
   DISALLOW_COPY_AND_ASSIGN(InMemoryURLIndex);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_IN_MEMORY_URL_INDEX_H_