Make Omnibox HistoryURL Provider always aggressive.

chrome/browser/autocomplete/autocomplete_field_trial.h

Index: chrome/browser/autocomplete/autocomplete_field_trial.h
diff --git a/chrome/browser/autocomplete/autocomplete_field_trial.h b/chrome/browser/autocomplete/autocomplete_field_trial.h
index 5ac03eea7cec600b09983e44792f827705843aac..2b6b6288c33465e158ec1391106ccfa2cfc93acd 100644
--- a/chrome/browser/autocomplete/autocomplete_field_trial.h
+++ b/chrome/browser/autocomplete/autocomplete_field_trial.h
@@ -18,18 +18,6 @@ class AutocompleteFieldTrial {
   static void Activate();
 
   // ---------------------------------------------------------
-  // For the aggressive History URL Provider field trial.
-
-  // Returns whether the user is in any field trial group for this
-  // field trial.  False indicates that the field trial wasn't
-  // successfully created for some reason.
-  static bool InAggressiveHUPFieldTrial();
-
-  // Returns whether the user should get the experiment setup or
-  // the default setup for this field trial.
-  static bool InAggressiveHUPFieldTrialExperimentGroup();
-
-  // ---------------------------------------------------------
   // For the inline History Quick Provider field trial.
 
   // Returns whether the user is in any field trial group for this