Revert of Omnibox: Make URLs of Bookmarks Searchable

components/omnibox/omnibox_field_trial.h

Index: components/omnibox/omnibox_field_trial.h
diff --git a/components/omnibox/omnibox_field_trial.h b/components/omnibox/omnibox_field_trial.h
index 07377bdc7052aa8085c479d91334ed37bdb3c757..cc4440d66ccaa8b04cbf3e0deb579ae061c45bd0 100644
--- a/components/omnibox/omnibox_field_trial.h
+++ b/components/omnibox/omnibox_field_trial.h
@@ -236,6 +236,17 @@
   static bool HQPAllowMatchInSchemeValue();
 
   // ---------------------------------------------------------
+  // For the BookmarksIndexURLs experiment that's part of the
+  // bundled omnibox field trial.
+
+  // Returns true if BookmarkIndex should index the URL of bookmarks
+  // (not only the titles) and search for / mark matches in the URLs,
+  // and BookmarkProvider should score bookmarks based on both the
+  // matches in bookmark title and URL.  Returns false if the bookmarks
+  // index URLs experiment isn't active.
+  static bool BookmarksIndexURLsValue();
+
+  // ---------------------------------------------------------
   // For the DisableInlining experiment that's part of the bundled omnibox
   // field trial.
 
@@ -293,6 +304,7 @@
   static const char kHQPAllowMatchInSchemeRule[];
   static const char kZeroSuggestRule[];
   static const char kZeroSuggestVariantRule[];
+  static const char kBookmarksIndexURLsRule[];
   static const char kDisableInliningRule[];
   static const char kAnswersInSuggestRule[];
   static const char kAddUWYTMatchEvenIfPromotedURLsRule[];