cros: Allow hotrod remote to check/uncheck a11y checkboxes for CFM oobe

chrome/browser/resources/chromeos/login/oobe.js

Index: chrome/browser/resources/chromeos/login/oobe.js
diff --git a/chrome/browser/resources/chromeos/login/oobe.js b/chrome/browser/resources/chromeos/login/oobe.js
index 6fca7cdc4264f5e6042c5cbe332a0e8c7d10e5e8..66668be334562cb7ad32621f379fa47f4c9ec5b1 100644
--- a/chrome/browser/resources/chromeos/login/oobe.js
+++ b/chrome/browser/resources/chromeos/login/oobe.js
@@ -175,7 +175,16 @@ cr.define('cr.ui.Oobe', function() {
       $('screen-magnifier').addEventListener('click',
                                              Oobe.handleScreenMagnifierClick);
       $('virtual-keyboard').addEventListener('click',
-                                              Oobe.handleVirtualKeyboardClick);
+                                             Oobe.handleVirtualKeyboardClick);
+
+      $('high-contrast').addEventListener('keypress', Oobe.handleA11yKeyPress);
+      $('large-cursor').addEventListener('keypress', Oobe.handleA11yKeyPress);
+      $('spoken-feedback')
+          .addEventListener('keypress', Oobe.handleA11yKeyPress);
+      $('screen-magnifier')
+          .addEventListener('keypress', Oobe.handleA11yKeyPress);
+      $('virtual-keyboard')
+          .addEventListener('keypress', Oobe.handleA11yKeyPress);
 
       // A11y menu should be accessible i.e. disable autohide on any
       // keydown or click inside menu.
@@ -220,6 +229,20 @@ cr.define('cr.ui.Oobe', function() {
     },
 
     /**
+     * handle a11y menu checkboxes keypress event by simulating click event.
+     */
+    handleA11yKeyPress: function(e) {
+      if (e.key != 'Enter')
+        return;
+
+      if (e.target.tagName != 'INPUT' || e.target.type != 'checkbox')
+        return;
+
+      // Simulate click on the checkbox.
+      e.target.click()
+    },
+
+    /**
      * Spoken feedback checkbox handler.
      */
     handleSpokenFeedbackClick: function(e) {