MD Settings: Add import data dialog.

chrome/browser/resources/settings/people_page/people_page.js

 // Copyright 2015 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
  * 'settings-people-page' is the settings page containing sign-in settings.
  */
 Polymer({
   is: 'settings-people-page',
@@ skipping 30 matching lines @@
     /**
      * The current profile name.
      */
     profileName_: String,
 
     /**
      * True if the current profile manages supervised users.
      */
     profileManagesSupervisedUsers_: Boolean,
 
+<if expr="not chromeos">
+    /** @private */
+    showImportDataDialog_: {
+      type: Boolean,
+      value: false,
+    },
+</if>
+
     /** @private {!settings.SyncBrowserProxy} */
     syncBrowserProxy_: {
       type: Object,
       value: function() {
         return settings.SyncBrowserProxyImpl.getInstance();
       },
     },
 
 <if expr="chromeos">
     /**
@@ skipping 261 matching lines @@
   /**
    * @private
    * @param {string} domain
    * @return {string}
    */
   getDomainHtml_: function(domain) {
     var innerSpan =
         '<span id="managed-by-domain-name">' + domain + '</span>';
     return loadTimeData.getStringF('domainManagedProfile', innerSpan);
   },
+
+  /** @private */
+  onImportDataTap_: function() {
+    this.showImportDataDialog_ = true;
+  },
+
+  /** @private */
+  onImportDataDialogClosed_: function() {
+    this.showImportDataDialog_ = false;
+  },
 </if>
 
   /**
    * @private
    * @param {string} domain
    * @return {string}
    */
   getDisconnectExplanationHtml_: function(domain) {
 <if expr="not chromeos">
     if (domain) {
@@ skipping 68 matching lines @@
 
   /**
    * @param {!settings.SyncStatus} syncStatus
    * @return {boolean} Whether to show the "Sign in to Chrome" button.
    * @private
    */
   showSignin_: function(syncStatus) {
     return !!syncStatus.signinAllowed && !syncStatus.signedIn;
   },
 });