Omnibox: Create Field Trial for HQP to Ignore Mid-Word Matches

chrome/browser/autocomplete/autocomplete_field_trial.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_AUTOCOMPLETE_FIELD_TRIAL_H_
 #define CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 65 matching lines @@
   static bool InHQPReplaceHUPScoringFieldTrial();
 
   // Returns whether the user should get the experimental setup or the
   // default setup for this field trial.  The experiment group
   // simultaneously disables HistoryURL provider from searching the
   // URL database and directs HistoryQuick provider to calculate both
   // HUP-style and HQP-style scores for matches, then return whichever
   // is larger.
   static bool InHQPReplaceHUPScoringFieldTrialExperimentGroup();
 
+  // ---------------------------------------------------------
+  // For the HistoryQuick provider only count matches at word boundaries
+  // field trial.
+
+  // Returns whether the user is in any group for this field trial.
+  // (Should always be true unless initialization went wrong.)
+  static bool InHQPOnlyCountMatchesAtWordBoundariesFieldTrial();
+
+  // Returns whether we should ignore all mid-word matches in
+  // HistoryQuick provider.
+  static bool InHQPOnlyCountMatchesAtWordBoundariesFieldTrialExperimentGroup();
+
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(AutocompleteFieldTrial);
 };
 
 #endif  // CHROME_BROWSER_AUTOCOMPLETE_AUTOCOMPLETE_FIELD_TRIAL_H_