MD Settings: make bluetooth dialog resize like other settings-dialogs

chrome/browser/resources/settings/bluetooth_page/bluetooth_device_dialog.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.
 
 cr.exportPath('settings');
 
 (function() {
 
 var PairingEventType = chrome.bluetoothPrivate.PairingEventType;
 
@@ skipping 15 matching lines @@
     /**
      * The ordered list of bluetooth devices.
      * @type {!Array<!chrome.bluetooth.Device>}
      */
     deviceList: {
       type: Array,
       value: /** @return {Array} */ function() { return []; },
     },
   },
 
+  observers: ['deviceListChanged_(deviceList.*)'],
+
   /** @private */
   adapterStateChanged_: function() {
     if (!this.adapterState.powered)
       this.fire('close-dialog');
   },
 
   /**
    * @param {!chrome.bluetooth.Device} device
    * @return {boolean}
    * @private
@@ skipping 272 matching lines @@
     I18nBehavior,
     settings.BluetoothAddDeviceBehavior,
     settings.BluetoothPairDeviceBehavior,
   ],
 
   properties: {
     /** Which version of this dialog to show (adding or pairing). */
     dialogType: String,
   },
 
+  /** @private */
+  deviceListChanged_: function(e) {
+    this.$.dialog.notifyResize();
+  },
+
   /**
    * @param {string} dialogType
    * @return {string} The title of for that |dialogType|.
    */
   getTitle_: function(dialogType) {
     return this.i18n(dialogType == 'addDevice' ?
         'bluetoothAddDevicePageTitle' : 'bluetoothPairDevicePageTitle');
   },
 
   /**
@@ skipping 28 matching lines @@
   open: function() {
     this.$.dialog.open();
   },
 
   close: function() {
     this.$.dialog.close();
   },
 });
 
 })();