Remove unused / unnecessary stuff from Instant.

chrome/common/instant_types.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_COMMON_INSTANT_TYPES_H_
 #define CHROME_COMMON_INSTANT_TYPES_H_
 
 #include "base/string16.h"
 #include "googleurl/src/gurl.h"
 
 // Ways that the Instant suggested text is autocompleted into the omnibox.
 enum InstantCompleteBehavior {
   // Autocomplete the suggestion immediately.
   INSTANT_COMPLETE_NOW,
 
-  // Autocomplete the suggestion after a delay.
-  INSTANT_COMPLETE_DELAYED,
-
   // Do not autocomplete the suggestion. The suggestion may still be displayed
   // in the omnibox, but not made a part of the omnibox text by default (e.g.,
   // by displaying the suggestion as non-highlighted, non-selected gray text).
   INSTANT_COMPLETE_NEVER,
 
   // Treat the suggested text as the entire omnibox text, effectively replacing
   // whatever the user has typed.
   INSTANT_COMPLETE_REPLACE,
 };
 
@@ skipping 63 matching lines @@
   // Query suggestions and search results relevant when the user is typing in
   // the omnibox.
   INSTANT_SHOWN_QUERY_SUGGESTIONS,
 
   // ZeroSuggest suggestions relevant when the user has focused in the omnibox,
   // but not yet typed anything.
   INSTANT_SHOWN_ZERO_SUGGESTIONS,
 };
 
 #endif  // CHROME_COMMON_INSTANT_TYPES_H_