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

chrome/browser/search/search.h

 // Copyright 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_SEARCH_SEARCH_H_
 #define CHROME_BROWSER_SEARCH_SEARCH_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 166 matching lines @@
 
 // Returns the Local Instant URL of the New Tab Page.
 // TODO(kmadhusu): Remove this function and update the call sites.
 GURL GetLocalInstantURL(Profile* profile);
 
 // Returns true if 'hide_verbatim' flag is enabled in field trials
 // to hide the top match in the native suggestions dropdown if it is a verbatim
 // match.  See comments on ShouldHideTopMatch in autocomplete_result.h.
 bool ShouldHideTopVerbatimMatch();
 
+// Returns true if the Answers in Suggest feature is enabled, which places
+// short responses to queries such as current weather conditions or stock quotes
+// in the Omnibox suggestion list.
+bool IsAnswersInSuggestEnabled();
+
 // Returns when we should show a search button in the omnibox.  This may be any
 // of several values, some of which depend on whether the underlying state of
 // the page would normally be to perform search term replacement; see also
 // ToolbarModel::WouldPerformSearchTermReplacement().
 DisplaySearchButtonConditions GetDisplaySearchButtonConditions();
 
 // Returns true if the origin chip should be shown.
 bool ShouldDisplayOriginChip();
 
 // Returns a value indicating when the origin chip should be shown.
@@ skipping 83 matching lines @@
 bool GetBoolValueForFlagWithDefault(const std::string& flag,
                                     bool default_value,
                                     const FieldTrialFlags& flags);
 
 // Returns the Cacheable New Tab Page URL for the given |profile|.
 GURL GetNewTabPageURL(Profile* profile);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_SEARCH_SEARCH_H_