MD Settings: ignore modified key events in the profile avatar grid

ui/webui/resources/js/util.js

 // Copyright (c) 2012 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.
 
 // <include src="assert.js">
 
 /**
  * Alias for document.getElementById. Found elements must be HTMLElements.
  * @param {string} id The ID of the element to find.
  * @return {HTMLElement} The found element or null if not found.
@@ skipping 482 matching lines @@
  * @param {!Array<string>} moduleNames
  * @return {!Promise}
  */
 function importModules(moduleNames) {
   return new Promise(function(resolve) {
     define(moduleNames, function() {
       resolve(Array.from(arguments));
     });
   });
 }
+
+/**
+ * @param {!Event} e
+ * @return {boolean} Whether a modifier key was down when processing |e|.
+ */
+function hasKeyModifiers(e) {
+  return !!(e.altKey || e.ctrlKey || e.metaKey || e.shiftKey);
+}