Use md-select instead of paper-dropdown-menu-light in display.html

chrome/browser/resources/settings/device_page/display.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
  * 'settings-display' is the settings subpage for display settings.
  */
 
 cr.define('settings.display', function() {
@@ skipping 261 matching lines @@
     assert(newIndex < this.selectedDisplay.modes.length);
     /** @type {!chrome.system.display.DisplayProperties} */ var properties = {
       displayMode: this.selectedDisplay.modes[newIndex]
     };
     settings.display.systemDisplayApi.setDisplayProperties(
         this.selectedDisplay.id, properties,
         this.setPropertiesCallback_.bind(this));
   },
 
   /**
-   * @param {!{detail: !{selected: string}}} e
+   * @param {!Event} event
    * @private
    */
-  onSetOrientation_: function(e) {
+  onOrientationChange_: function(event) {
+    let target = /** @type {!HTMLSelectElement} */ (event.target);
     /** @type {!chrome.system.display.DisplayProperties} */ var properties = {
-      rotation: parseInt(e.detail.selected, 10)
+      rotation: parseInt(target.value, 10)
     };
     settings.display.systemDisplayApi.setDisplayProperties(
         this.selectedDisplay.id, properties,
         this.setPropertiesCallback_.bind(this));
   },
 
   /** @private */
   onMirroredTap_: function() {
     var id = '';
     /** @type {!chrome.system.display.DisplayProperties} */ var properties = {};
@@ skipping 42 matching lines @@
   },
 
   /** @private */
   setPropertiesCallback_: function() {
     if (chrome.runtime.lastError) {
       console.error(
           'setDisplayProperties Error: ' + chrome.runtime.lastError.message);
     }
   },
 });