Omnibox: Demote Bookmarks on NTP Fakebox

This is how there were supposed to be before someone accidentally
renumbered the match types.

BUG=390597

Review URL: https://codereview.chromium.org/362033002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@282381 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/omnibox/omnibox_field_trial.cc

@@ -325,7 +325,7 @@ void OmniboxFieldTrial::GetDemotionsByType(
   if (demotion_rule.empty() &&
       (current_page_classification ==
        OmniboxEventProto::INSTANT_NTP_WITH_FAKEBOX_AS_STARTING_FOCUS))
-    demotion_rule = "1:61,2:61,3:61,4:61,12:61";
+    demotion_rule = "1:61,2:61,3:61,4:61,16:61";
 
   // The value of the DemoteByType rule is a comma-separated list of
   // {ResultType + ":" + Number} where ResultType is an AutocompleteMatchType::

components/autocomplete/autocomplete_match_type.h

@@ -11,7 +11,8 @@ 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.