Omnibox Field Trial: Make HQP Score Bookmarks More Highly

chrome/browser/history/scored_history_match.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_SCORED_HISTORY_MATCH_H_
 #define CHROME_BROWSER_HISTORY_SCORED_HISTORY_MATCH_H_
 
 #include <map>
 #include <set>
 #include <vector>
@@ skipping 75 matching lines @@
   // an appropriate value to use as a relevancy score.
   static float GetFinalRelevancyScore(
       float topicality_score,
       float frecency_score);
 
   // Sets also_do_hup_like_scoring and
   // max_assigned_score_for_non_inlineable_matches based on the field
   // trial state.
   static void InitializeAlsoDoHUPLikeScoringFieldAndMaxScoreField();
 
+  // Sets bookmark_value based on the field trial state.

[Peter Kasting, 2013/11/09 00:44:55]

Nit: Use pipes on member name since it isn't otherwised referenced here

[Mark P, 2013/11/25 21:11:57]

Done.

+  static void InitializeBookmarkValue();
+
   // An interim score taking into consideration location and completeness
   // of the match.
   int raw_score;
   TermMatches url_matches;  // Term matches within the URL.
   TermMatches title_matches;  // Term matches within the page title.
   bool can_inline;  // True if this is a candidate for in-line autocompletion.
 
   // Pre-computed information to speed up calculating recency scores.
   // |days_ago_to_recency_score| is a simple array mapping how long
   // ago a page was visited (in days) to the recency score we should
@@ skipping 13 matching lines @@
   // which calls FillInTermScoreToTopicalityScoreArray().
   static const int kMaxRawTermScore = 30;
   static float* raw_term_score_to_topicality_score;
 
   // Used so we initialize static variables only once (on first use).
   static bool initialized_;
 
   // The maximum number of recent visits to examine in GetFrecency().
   static const size_t kMaxVisitsToScore;
 
+  // Untyped visits to bookmarked pages score this, compared to 1 for
+  // untyped visits to non-bookmarked pages and 20 for typed visits.
+  static int bookmark_value;
+
   // If true, assign raw scores to be max(whatever it normally would be,
   // a score that's similar to the score HistoryURL provider would assign).
   // This variable is set in the constructor by examining the field trial
   // state.
   static bool also_do_hup_like_scoring;
 
   // The maximum score that can be assigned to non-inlineable matches.
   // This is useful because often we want inlineable matches to come
   // first (even if they don't sometimes score as well as non-inlineable
   // matches) because if a non-inlineable match comes first than all matches
   // will get demoted later in HistoryQuickProvider to non-inlineable scores.
   // Set to -1 to indicate no maximum score.
   static int max_assigned_score_for_non_inlineable_matches;
 };
 typedef std::vector<ScoredHistoryMatch> ScoredHistoryMatches;
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_SCORED_HISTORY_MATCH_H_