Don't persist and sync omnibox extension keywords.

chrome/browser/resources/options/search_engine_manager_engine_list.js

 // 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.
 
 /**
  * @typedef {{canBeDefault: boolean,
  *            canBeEdited: boolean,
  *            canBeRemoved: boolean,
  *            default: boolean,
  *            displayName: string,
  *            extension: (Object|undefined),
  *            iconURL: (string|undefined),
- *            isExtension: boolean,
+ *            isOmniboxExtension: boolean,
  *            keyword: string,
  *            modelIndex: string,
  *            name: string,
  *            url: string,
  *            urlLocked: boolean}}
  * @see chrome/browser/ui/webui/options/search_engine_manager_handler.cc
  */
 var SearchEngine;
 
 cr.define('options.search_engines', function() {
@@ skipping 110 matching lines @@
 
       // Then the keyword column.
       var keywordEl = this.createEditableTextCell(engine.keyword);
       keywordEl.className = 'keyword-column';
       keywordEl.classList.add('weakrtl');
       this.contentElement.appendChild(keywordEl);
 
       // And the URL column.
       var urlEl = this.createEditableTextCell(engine.url);
       // Extensions should not display a URL column.
-      if (!engine.isExtension) {
+      if (!engine.isOmniboxExtension) {
         var urlWithButtonEl = this.ownerDocument.createElement('div');
         urlWithButtonEl.appendChild(urlEl);
         urlWithButtonEl.className = 'url-column';
         urlWithButtonEl.classList.add('weakrtl');
         this.contentElement.appendChild(urlWithButtonEl);
         // Add the Make Default button. Temporary until drag-and-drop
         // re-ordering is implemented. When this is removed, remove the extra
         // div above.
         if (engine.canBeDefault) {
           var makeDefaultButtonEl = this.ownerDocument.createElement('button');
@@ skipping 19 matching lines @@
           nameEl.querySelector('input'));
       // The editable field uses the raw name, not the display name.
       this.nameField_.value = engine.name;
       this.keywordField_ = /** @type {HTMLElement} */(
           keywordEl.querySelector('input'));
       this.urlField_ = /** @type {HTMLElement} */(urlEl.querySelector('input'));
 
       if (engine.urlLocked)
         this.urlField_.disabled = true;
 
-      if (engine.isExtension)
-        this.nameField_.disabled = true;

[Dan Beam, 2014/10/28 01:36:59]

can omnibox extensions be renamed?

[vasilii, 2014/10/28 14:01:38]

No. But this case is handled below. engine.canBeEdited is false.

-
       if (this.isPlaceholder) {
         this.nameField_.placeholder =
             loadTimeData.getString('searchEngineTableNamePlaceholder');
         this.keywordField_.placeholder =
             loadTimeData.getString('searchEngineTableKeywordPlaceholder');
         this.urlField_.placeholder =
             loadTimeData.getString('searchEngineTableURLPlaceholder');
       }
 
       var fields = [this.nameField_, this.keywordField_, this.urlField_];
@@ skipping 169 matching lines @@
     },
   };
 
   // Export
   return {
     SearchEngineList: SearchEngineList
   };
 
 });