Field trial removing tiles from NTP if URL is already open - for 1993 clients

chrome/browser/history/top_sites.h

Index: chrome/browser/history/top_sites.h
diff --git a/chrome/browser/history/top_sites.h b/chrome/browser/history/top_sites.h
index b55821d34798adb34bb354e4d74308218cc4f691..5cfe8ba915c429216fda50da90f2793e4f26e282 100644
--- a/chrome/browser/history/top_sites.h
+++ b/chrome/browser/history/top_sites.h
@@ -44,9 +44,6 @@ class TopSites
   // Initializes TopSites.
   static TopSites* Create(Profile* profile, const base::FilePath& db_name);
 
-  // Helper method to shuffle MostVisited tiles for A/B testing purposes.
-  static void MaybeShuffle(MostVisitedURLList* data);
-
   // Sets the given thumbnail for the given URL. Returns true if the thumbnail
   // was updated. False means either the URL wasn't known to us, or we felt
   // that our current thumbnail was superior to the given one. Should be called