Split options page code/html into its own set of files

chrome/browser/resources/options/chromeos_system_options.js

+// Copyright (c) 2010 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.
+
+///////////////////////////////////////////////////////////////////////////////
+// SystemOptions class:
+
+/**
+ * Encapsulated handling of ChromeOS system options page.
+ * @constructor
+ */
+function SystemOptions(model) {
+  OptionsPage.call(this, 'system', templateData.systemPage, 'systemPage');
+}
+
+SystemOptions.getInstance = function() {
+  if (SystemOptions.instance_)
+    return SystemOptions.instance_;
+  SystemOptions.instance_ = new SystemOptions(null);
+  return SystemOptions.instance_;
+}
+
+// Inherit SystemOptions from OptionsPage.
+SystemOptions.prototype = {
+  __proto__: OptionsPage.prototype,
+
+  /**
+   * Initializes SystemOptions page.
+   * Calls base class implementation to starts preference initialization.
+   */
+  initializePage: function() {
+    OptionsPage.prototype.initializePage.call(this);
+    var timezone = $('timezone-select');
+    timezone.initializeValues(templateData.timezoneList);
+
+    $('language-button').onclick = function(event) {
+      // TODO: Open ChromeOS language settings page.
+    };
+  },
+};
+