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

chrome/browser/search/search.h

Index: chrome/browser/search/search.h
diff --git a/chrome/browser/search/search.h b/chrome/browser/search/search.h
index 75c4aeb5a25f98a06f72b60957fe475b6f7b5668..53dcce5062b295759576eab6c44f97f5fef9547d 100644
--- a/chrome/browser/search/search.h
+++ b/chrome/browser/search/search.h
@@ -184,6 +184,11 @@ GURL GetLocalInstantURL(Profile* profile);
 // 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