Eradicate keyIndentifier from devtools/*

third_party/WebKit/Source/devtools/front_end/Tests.js

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1085 matching lines @@
         if (WebInspector.targetManager.targets().length >= n)
             callback.call(null);
         else
             this.addSniffer(WebInspector.TargetManager.prototype, "addTarget", checkTargets.bind(this));
     }
 }
 
 /**
  * Key event with given key identifier.
  */
-TestSuite.createKeyEvent = function(keyIdentifier)
+TestSuite.createKeyEvent = function(key)
 {
-    var evt = document.createEvent("KeyboardEvent");
-    evt.initKeyboardEvent("keydown", true /* can bubble */, true /* can cancel */, null /* view */, keyIdentifier, "");
-    return evt;
+    return new KeyboardEvent("keydown", {bubbles: true, cancelable:true, key: key});
 };
 
 window.uiTests = new TestSuite(window.domAutomationController);
 })(window);