Initial checkin of accessibility extensions.

ui/accessibility/extensions/longdesc/options.js

+/* Copyright (c) 2014 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. */
+
+// Saves options to chrome.storage
+function save_options() {
+  var border = document.getElementById('border').checked;
+  chrome.storage.sync.set({
+    addBorder: border
+  }, function() {
+    // Update status to let user know options were saved.
+    var status = document.getElementById('status');
+    status.textContent = 'Options saved.';
+    setTimeout(function() {
+      status.textContent = '';
+    }, 750);
+  });
+}
+
+// Restores select box and checkbox state using the preferences
+// stored in chrome.storage.
+function restore_options() {
+  // Use default value addBOrder = false.
+  chrome.storage.sync.get("addBorder", function(item) {
+    document.getElementById('border').checked = item.addBorder;
+  });
+}
+
+document.addEventListener('DOMContentLoaded', restore_options);
+document.getElementById('border').addEventListener('click', save_options);