Omnibox Field Trial: Make HQP Score Bookmarks More Highly

chrome/browser/omnibox/omnibox_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_OMNIBOX_OMNIBOX_FIELD_TRIAL_H_
 #define CHROME_BROWSER_OMNIBOX_OMNIBOX_FIELD_TRIAL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 157 matching lines @@
   // Returns true if the omnibox will reorder matches, in the provided
   // |current_page_classification| context so that a match that's allowed to
   // be the default match will appear first.  This means AutocompleteProviders
   // can score matches however they desire without regard to making sure the
   // top match when all the matches from all providers are merged is a legal
   // default match.
   static bool ReorderForLegalDefaultMatch(
       AutocompleteInput::PageClassification current_page_classification);
 
   // ---------------------------------------------------------
+  // For the HQPBookmarkValue experiment that's part of the
+  // bundled omnibox field trial.
+
+  // Returns the value an untyped visit to a bookmark should receive.
+  // Compare this value with the default of 1 for non-bookmarked untyped
+  // visits to pages and the default of 20 for typed visits.  Returns
+  // 1 if the bookmark value experiment isn't active.
+  static int HQPBookmarkValue();
+
+  // ---------------------------------------------------------
   // Exposed publicly for the sake of unittests.
   static const char kBundledExperimentFieldTrialName[];
   // Rule names used by the bundled experiment.
   static const char kShortcutsScoringMaxRelevanceRule[];
   static const char kSearchHistoryRule[];
   static const char kDemoteByTypeRule[];
   static const char kUndemotableTopTypeRule[];
   static const char kReorderForLegalDefaultMatchRule[];
+  static const char kHQPBookmarkValueRule[];
   // Rule values.
   static const char kReorderForLegalDefaultMatchRuleEnabled[];
 
  private:
   friend class OmniboxFieldTrialTest;
 
   // The bundled omnibox experiment comes with a set of parameters
   // (key-value pairs).  Each key indicates a certain rule that applies in
   // a certain context.  The value indicates what the consequences of
   // applying the rule are.  For example, the value of a SearchHistory rule
   // in the context of a search results page might indicate that we should
   // prevent search history matches from inlining.
   //
   // This function returns the value associated with the |rule| that applies
   // in the current context (which currently consists of |page_classification|
   // and whether Instant Extended is enabled).  If no such rule exists in the
   // current context, fall back to the rule in various wildcard contexts and
   // return its value if found.  If the rule remains unfound in the global
   // context, returns the empty string.  For more details, including how we
   // prioritize different wildcard contexts, see the implementation.  How to
   // interpret the value is left to the caller; this is rule-dependent.
   static std::string GetValueForRuleInContext(
       const std::string& rule,
       AutocompleteInput::PageClassification page_classification);
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(OmniboxFieldTrial);
 };
 
 #endif  // CHROME_BROWSER_OMNIBOX_OMNIBOX_FIELD_TRIAL_H_