Eradicate keyIndentifier from devtools/*

third_party/WebKit/Source/devtools/front_end/elements/StylesPopoverHelper.js

 // Copyright (c) 2015 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.
 
 /**
  * @constructor
  * @extends {WebInspector.Object}
  */
 WebInspector.StylesPopoverHelper = function()
 {
@@ skipping 101 matching lines @@
             this._view.contentElement.removeEventListener("focusout", this._boundFocusOut, false);
             delete this._view;
         }
     },
 
     /**
      * @param {!Event} event
      */
     _onKeyDown: function(event)
     {
-        if (event.keyIdentifier === "Enter") {
+        if (event.key === "Enter") {
             this.hide(true);
             event.consume(true);
             return;
         }
-        if (event.keyIdentifier === "U+001B") { // Escape key
+        if (event.key === "Escape") {
             this.hide(false);
             event.consume(true);
         }
     },
 
     __proto__: WebInspector.Object.prototype
 }
 
 /**
  * @constructor
@@ skipping 202 matching lines @@
     {
         this._spectrum.removeEventListener(WebInspector.Spectrum.Events.ColorChanged, this._boundSpectrumChanged);
         delete this._spectrum;
 
         var propertyText = commitEdit ? this._treeElement.renderedPropertyText() : this._originalPropertyText;
         this._treeElement.applyStyleText(propertyText, true);
         this._treeElement.parentPane().setEditingStyle(false);
         delete this._originalPropertyText;
     }
 }