Omnibox: Fix Scoring Bugs in URLs from History

chrome/browser/autocomplete/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_AUTOCOMPLETE_SCORED_HISTORY_MATCH_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_SCORED_HISTORY_MATCH_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 143 matching lines @@
   // Buckets: vector[(0.0, 400),(1.5,600),(12.0,1300),(20.0,1399)]
   // Returns false, in case if it fail to parse the string.
   static bool GetHQPBucketsFromString(
       const std::string& buckets_str,
       std::vector<ScoreMaxRelevance>* hqp_buckets);
 
   // 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_;
 
+  // True if we should fix certain bugs in frequency scoring.
+  static bool fix_frequency_bugs_;
+
   // If true, we allow input terms to match in the TLD (e.g., ".com").
   static bool allow_tld_matches_;
 
   // If true, we allow input terms to match in the scheme (e.g., "http://").
   static bool allow_scheme_matches_;
 
   // True, if hqp experimental scoring is enabled.
   static bool hqp_experimental_scoring_enabled_;
 
   // |topicality_threshold_| is used to control the topicality scoring.
   // If |topicality_threshold_| > 0, then URLs with topicality-score < threshold
   // are given topicality score of 0. By default it is initalized to -1.
   static float topicality_threshold_;
 
   // |hqp_relevance_buckets_| gives mapping from (topicality*frequency)
   // to the final relevance scoring. Please see GetFinalRelevancyScore()
   // for more details and scoring method.
   static std::vector<ScoreMaxRelevance>* hqp_relevance_buckets_;
 };
 typedef std::vector<ScoredHistoryMatch> ScoredHistoryMatches;
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_SCORED_HISTORY_MATCH_H_