Move handling of dialog preferences to Preferences class

chrome/browser/resources/options/settings_dialog.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.
 
 /**
  * @fileoverview Base class for dialogs that require saving preferences on
  *     confirm and resetting preference inputs on cancel.
  */
 
 cr.define('options', function() {
@@ skipping 25 matching lines @@
       this.okButton.onclick = this.handleConfirm.bind(this);
       this.cancelButton.onclick = this.handleCancel.bind(this);
     },
 
     /**
      * Handles the confirm button by saving the dialog preferences.
      */
     handleConfirm: function() {
       OptionsPage.closeOverlay();
 
+      var prefs = Preferences.getInstance();
       var els = this.pageDiv.querySelectorAll('[dialog-pref]');
       for (var i = 0; i < els.length; i++) {
-        if (els[i].savePrefState)
-          els[i].savePrefState();
+        if (els[i].pref)
+          prefs.commitPref(els[i].pref, els[i].metric);
       }
     },
 
     /**
      * Handles the cancel button by closing the overlay.
      */
     handleCancel: function() {
       OptionsPage.closeOverlay();
 
+      var prefs = Preferences.getInstance();
       var els = this.pageDiv.querySelectorAll('[dialog-pref]');
       for (var i = 0; i < els.length; i++) {
-        if (els[i].resetPrefState)
-          els[i].resetPrefState();
+        if (els[i].pref)
+          prefs.rollbackPref(els[i].pref);
       }
     },
   };
 
   return {
     SettingsDialog: SettingsDialog
   };
 });