Omnibox: Demote Bookmarks on NTP Fakebox

components/autocomplete/autocomplete_match_type.h

 // Copyright 2014 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 COMPONENTS_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_TYPE_H_
 #define COMPONENTS_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_TYPE_H_
 
 #include <string>
 
 struct AutocompleteMatchType {
   // Type of AutocompleteMatch. Typedef'ed in autocomplete_match.h. Defined here
   // to pass the type details back and forth between the browser and renderer.
   //
-  // These values are stored in ShortcutsDatabase and cannot be renumbered.
+  // These values are stored in ShortcutsDatabase and in GetDemotionsByType()
+  // and cannot be renumbered.
   enum Type {
     URL_WHAT_YOU_TYPED    = 0,  // The input as a URL.
     HISTORY_URL           = 1,  // A past page whose URL contains the input.
     HISTORY_TITLE         = 2,  // A past page whose title contains the input.
     HISTORY_BODY          = 3,  // A past page whose body contains the input.
     HISTORY_KEYWORD       = 4,  // A past page whose keyword contains the
                                 // input.
     NAVSUGGEST            = 5,  // A suggested URL.
     SEARCH_WHAT_YOU_TYPED = 6,  // The input as a search query (with the
                                 // default engine).
@@ skipping 18 matching lines @@
     NAVSUGGEST_PERSONALIZED     = 17,  // A personalized suggestion URL.
     SEARCH_SUGGEST_ANSWER       = 18,  // A short result for a suggested search.
     NUM_TYPES,
   };
 
   // Converts |type| to a string representation. Used in logging.
   static std::string ToString(AutocompleteMatchType::Type type);
 };
 
 #endif  // COMPONENTS_AUTOCOMPLETE_AUTOCOMPLETE_MATCH_TYPE_H_