Eradicate keyIndentifier from devtools/*

third_party/WebKit/Source/devtools/front_end/platform/DOMExtension.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2012 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 939 matching lines @@
     return node;
 }
 
 /**
  * @param {!Event} event
  * @return {boolean}
  */
 function isEnterKey(event)
 {
     // Check if in IME.
-    return event.keyCode !== 229 && event.keyIdentifier === "Enter";
+    return event.keyCode !== 229 && event.key === "Enter";
 }
 
 /**
  * @param {!Event} event
  * @return {boolean}
  */
 function isEscKey(event)
 {
     return event.keyCode === 27;
 }
@@ skipping 16 matching lines @@
     {
         window.removeEventListener("DOMContentLoaded", windowLoaded, false);
         callback();
     }
 
     if (document.readyState === "complete" || document.readyState === "interactive")
         callback();
     else
         window.addEventListener("DOMContentLoaded", windowLoaded, false);
 }