Whitelist checkbox on ChromeOS users settings page should be inverted.

chrome/browser/resources/options/pref_ui.js

Index: chrome/browser/resources/options/pref_ui.js
diff --git a/chrome/browser/resources/options/pref_ui.js b/chrome/browser/resources/options/pref_ui.js
index c59cf030853af6e451796569f3f09cb8750771f3..6fcfd895bfa852058f180487ccd3a9fe3e3c855f 100644
--- a/chrome/browser/resources/options/pref_ui.js
+++ b/chrome/browser/resources/options/pref_ui.js
@@ -27,7 +27,11 @@ cr.define('options', function() {
           function(event) {
             var value = event.value && event.value['value'] != undefined ?
                 event.value['value'] : event.value;
-            self.checked = Boolean(value);
+            // Invert pref value if inverted_pref == true.
+            if (self.inverted_pref)
+              self.checked = !Boolean(value);
+            else
+              self.checked = Boolean(value);
             self.managed = event.value && event.value['managed'] != undefined ?
                 event.value['managed'] : false;
             self.disabled = self.managed;
@@ -41,14 +45,15 @@ cr.define('options', function() {
       // Listen to user events.
       this.addEventListener('click',
           function(e) {
+            var value = self.inverted_pref ? !self.checked : self.checked;
             switch(self.valueType) {
               case 'number':
                 Preferences.setIntegerPref(self.pref,
-                    Number(self.checked), self.metric);
+                    Number(value), self.metric);
                 break;
               case 'boolean':
                 Preferences.setBooleanPref(self.pref,
-                    self.checked, self.metric);
+                    value, self.metric);
                 break;
             }
           });
@@ -81,6 +86,12 @@ cr.define('options', function() {
    */
   cr.defineProperty(PrefCheckbox, 'metric', cr.PropertyKind.ATTR);
 
+  /**
+   * Whether to use inverted pref value.
+   * @type {boolean}
+   */
+  cr.defineProperty(PrefCheckbox, 'inverted_pref', cr.PropertyKind.BOOL_ATTR);
+
   /////////////////////////////////////////////////////////////////////////////
   // PrefRadio class: