Move handling of dialog preferences to Preferences class

chrome/browser/resources/options/settings_dialog.js

Index: chrome/browser/resources/options/settings_dialog.js
diff --git a/chrome/browser/resources/options/settings_dialog.js b/chrome/browser/resources/options/settings_dialog.js
index 609bbaaa9df11e63cff4d9263149850f167d7b2b..5401fcfe09797b5951371c224b2005e3b2a85e2d 100644
--- a/chrome/browser/resources/options/settings_dialog.js
+++ b/chrome/browser/resources/options/settings_dialog.js
@@ -43,10 +43,11 @@ cr.define('options', function() {
     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);
       }
     },
 
@@ -56,10 +57,11 @@ cr.define('options', function() {
     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);
       }
     },
   };