[AiS] Command-line flag and field trial changes.

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 <string>
 #include <vector>
@@ skipping 264 matching lines @@
 
   // Returns true if AutocompleteResult should prevent any suggestion with
   // a non-empty |inline_autocomplete| from being the default match.  In
   // other words, prevent an inline autocompletion from appearing as the
   // top suggestion / within the omnibox itself, reordering matches as
   // necessary to make this true.  Returns false if the experiment isn't
   // active.
   static bool DisableInlining();
 
   // ---------------------------------------------------------
+  // For the AnswersInSuggest experiment that's part of the bundled omnibox
+  // field trial.
+
+  // Returns true if the AnswersInSuggest feature should be enabled causing
+  // query responses such as current weather conditions or stock quotes
+  // to be provided in the Omnibox suggestion list. Considers both the
+  // field trial state as well as the overriding command-line flags.
+  static bool EnableAnswersInSuggest();
+
+  // ---------------------------------------------------------
   // 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 kHQPBookmarkValueRule[];
   static const char kHQPDiscountFrecencyWhenFewVisitsRule[];
   static const char kHQPAllowMatchInTLDRule[];
   static const char kHQPAllowMatchInSchemeRule[];
   static const char kZeroSuggestRule[];
   static const char kZeroSuggestVariantRule[];
   static const char kBookmarksIndexURLsRule[];
   static const char kDisableInliningRule[];
+  static const char kAnswersInSuggestRule[];
 
   // Parameter names used by the HUP new scoring experiments.
   static const char kHUPNewScoringEnabledParam[];
   static const char kHUPNewScoringTypedCountRelevanceCapParam[];
   static const char kHUPNewScoringTypedCountHalfLifeTimeParam[];
   static const char kHUPNewScoringTypedCountScoreBucketsParam[];
   static const char kHUPNewScoringVisitedCountRelevanceCapParam[];
   static const char kHUPNewScoringVisitedCountHalfLifeTimeParam[];
   static const char kHUPNewScoringVisitedCountScoreBucketsParam[];
 
@@ skipping 16 matching lines @@
   // 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_