Add Active Directory password change screen.

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

+// Copyright 2016 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.
+
+/**
+ * @fileoverview Polymer element for Active Directory password change screen.
+ */
+Polymer({
+  is: 'active-directory-password-change',
+
+  properties: {
+    /**
+     * The user principal name.
+     */
+    username: String,
+  },
+
+  /** @public */
+  reset: function() {
+    this.$.animatedPages.selected = 0;
+    this.$.oldPassword.value = '';
+    this.$.newPassword1.value = '';
+    this.$.newPassword2.value = '';
+    this.updateNavigation_();
+  },
+
+  /** @private */
+  computeWelcomeMessage_: function(username) {
+    return loadTimeData.getStringF('adPasswordChangeMessage', username);
+  },
+
+  /** @private */
+  onSubmit_: function() {
+    if (!this.$.oldPassword.checkValidity() ||
+        !this.$.newPassword1.checkValidity()) {
+      return;
+    }
+    if (this.$.newPassword1.value != this.$.newPassword2.value) {
+      this.$.newPassword2.isInvalid = true;
+      return;
+    }
+    this.$.animatedPages.selected++;
+    this.updateNavigation_();
+    var msg = {
+      'username': this.username,
+      'oldPassword': this.$.oldPassword.value,
+      'newPassword': this.$.newPassword1.value,
+    };
+    this.$.oldPassword.value = '';
+    this.$.newPassword1.value = '';
+    this.$.newPassword2.value = '';
+    this.fire('authCompleted', msg);
+  },
+
+  /** @private */
+  onClose_: function() {
+    if (!this.$.navigation.closeVisible)
+      return;
+    this.fire('cancel');
+  },
+
+  /** @private */
+  updateNavigation_: function() {
+    this.$.navigation.closeVisible = (this.$.animatedPages.selected == 0);
+  },
+});