Implement High Contrast mode for Chrome OS

chrome/browser/resources/options2/browser_options.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.
 
 cr.define('options', function() {
   var OptionsPage = options.OptionsPage;
   var ArrayDataModel = cr.ui.ArrayDataModel;
   var RepeatingButton = cr.ui.RepeatingButton;
 
   //
@@ skipping 448 matching lines @@
       $('cloudPrintManageButton').onclick = function(event) {
         chrome.send('showCloudPrintManagePage');
       };
 
       // Accessibility section (CrOS only).
       if (cr.isChromeOS) {
         $('accessibility-spoken-feedback-check').onchange = function(event) {
           chrome.send('spokenFeedbackChange',
           [$('accessibility-spoken-feedback-check').checked]);
         };
+
+        $('accessibility-high-contrast-check').onchange = function(event) {
+          chrome.send('highContrastChange',
+          [$('accessibility-high-contrast-check').checked]);

[James Hawkins, 2012/05/17 16:07:37]

nit: The parameter indentation on this line and line 467 are wrong.  The start
of parameter rows should line up on the same column.  That's probably not
possible here so 'highContrast...', will need to be dropped a line and indented.

[Zachary Kuznia, 2012/05/21 05:50:05]

Done.

+        };
       }
 
       // Background mode section.
       if ($('backgroundModeCheckbox')) {
         cr.defineProperty($('backgroundModeCheckbox'),
             'controlledBy',
             cr.PropertyKind.ATTR);
         $('backgroundModeCheckbox').onclick = function(event) {
           chrome.send('backgroundModeAction',
               [String($('backgroundModeCheckbox').checked)]);
@@ skipping 715 matching lines @@
      */
     setSpokenFeedbackCheckboxState_: function(checked) {
       $('accessibility-spoken-feedback-check').checked = checked;
     },
 
     /**
      * Set the initial state of the high contrast checkbox.
      * @private
      */
     setHighContrastCheckboxState_: function(checked) {
-      // TODO(zork): Update UI
+      $('accessibility-high-contrast-check').checked = checked;
     },
 
     /**
      * Set the initial state of the screen magnifier checkbox.
      * @private
      */
     setScreenMagnifierCheckboxState_: function(checked) {
       // TODO(zork): Update UI
     },
 
@@ skipping 168 matching lines @@
     BrowserOptions.getLoggedInUsername = function() {
       return BrowserOptions.getInstance().username_;
     };
   }
 
   // Export
   return {
     BrowserOptions: BrowserOptions
   };
 });