Omnibox: Make the Controller Reorder Matches for Inlining

chrome/browser/omnibox/omnibox_field_trial.h

Index: chrome/browser/omnibox/omnibox_field_trial.h
diff --git a/chrome/browser/omnibox/omnibox_field_trial.h b/chrome/browser/omnibox/omnibox_field_trial.h
index cde62593f1cbe30ba2ab574d64e156b301e33ddf..1622f7d426d472104582f6cd20bdb7c90f79764d 100644
--- a/chrome/browser/omnibox/omnibox_field_trial.h
+++ b/chrome/browser/omnibox/omnibox_field_trial.h
@@ -139,6 +139,30 @@ class OmniboxFieldTrial {
       AutocompleteInput::PageClassification current_page_classification,
       DemotionMultipliers* demotions_by_type);
 
+  // ---------------------------------------------------------
+  // For the ReorderForLegalDefaultMatch experiment that's part of the
+  // bundled omnibox field trial.
+
+  // 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);
+
+  // ---------------------------------------------------------
+  // 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 kReorderForLegalDefaultMatchRule[];
+  // Rule values.
+  static const char kReorderForLegalDefaultMatchRuleEnabled[];
+
  private:
   friend class OmniboxFieldTrialTest;