DevTools: reuse computedstylesmodel in the elements sidebar base class.

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

 /*
  * Copyright (C) 2007 Apple 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.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 68 matching lines @@
         var promises = [
             cssModel.computedStylePromise(node.id).then(callback.bind(this)),
             cssModel.inlineStylesPromise(node.id).then(inlineStyleCallback.bind(this))
         ];
         return Promise.all(promises);
     },
 
     /**
      * @override
      */
-    onDOMModelChanged: function()
-    {
-        this.update();
-    },
-
-    /**
-     * @override
-     */
     onCSSModelChanged: function()
     {
         this.update();
     },
 
     /**
-     * @override
-     */
-    onFrameResizedThrottled: function()
-    {
-        this.update();
-    },
-
-    /**
      * @param {!Map.<string, string>} style
      * @param {string} propertyName
      * @return {number}
      */
     _getPropertyValueAsPx: function(style, propertyName)
     {
         return Number(style.get(propertyName).replace(/px$/, "") || 0);
     },
 
     /**
@@ skipping 341 matching lines @@
          * @this {WebInspector.MetricsSidebarPane}
          */
         function callback(success)
         {
             if (!success)
                 return;
             if (!("originalPropertyData" in this))
                 this.originalPropertyData = this.previousPropertyDataCandidate;
 
             if (typeof this._highlightMode !== "undefined")
-                this._node.highlight(this._highlightMode);
+                this.node().highlight(this._highlightMode);
 
             if (commitEditor)
                 this.update();
         }
     },
 
     editingCommitted: function(element, userInput, previousContent, context)
     {
         this.editingEnded(element, context);
         this._applyUserInput(element, userInput, previousContent, context, true);
     },
 
     __proto__: WebInspector.ElementsSidebarPane.prototype
 }