DevTools: remove BaseToolbarPaneWidget.

third_party/WebKit/Source/devtools/front_end/elements/SharedSidebarModel.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.
 
 /**
  * @extends {WebInspector.Object}
  * @constructor
  */
 WebInspector.SharedSidebarModel = function()
 {
     WebInspector.Object.call(this);
     this._node = WebInspector.context.flavor(WebInspector.DOMNode);
     WebInspector.context.addFlavorChangeListener(WebInspector.DOMNode, this._onNodeChanged, this);
 }
 
-/**
- * @param {?WebInspector.DOMNode} node
- * @return {?WebInspector.DOMNode}
- */
-WebInspector.SharedSidebarModel.elementNode = function(node)
-{
-    if (node && node.nodeType() === Node.TEXT_NODE && node.parentNode)
-        node = node.parentNode;
-
-    if (node && node.nodeType() !== Node.ELEMENT_NODE)
-        node = null;
-    return node;
-}
-
 WebInspector.SharedSidebarModel.Events = {
     ComputedStyleChanged: "ComputedStyleChanged"
 }
 
 WebInspector.SharedSidebarModel.prototype = {
     /**
      * @return {?WebInspector.DOMNode}
      */
     node: function()
     {
@@ skipping 47 matching lines @@
                 domModel.addEventListener(WebInspector.DOMModel.Events.DOMMutated, this._onComputedStyleChanged, this)
             ];
         }
     },
 
     /**
      * @return {?WebInspector.DOMNode}
      */
     _elementNode: function()
     {
-        return WebInspector.SharedSidebarModel.elementNode(this.node());
+        return this.node() ? this.node().enclosingElementOrSelf() : null;
     },
 
     /**
      * @return {!Promise.<?WebInspector.SharedSidebarModel.ComputedStyle>}
      */
     fetchComputedStyle: function()
     {
         var elementNode = this._elementNode();
         var cssModel = this.cssModel();
         if (!elementNode || !cssModel)
@@ skipping 28 matching lines @@
 /**
  * @constructor
  * @param {!WebInspector.DOMNode} node
  * @param {!Map.<string, string>} computedStyle
  */
 WebInspector.SharedSidebarModel.ComputedStyle = function(node, computedStyle)
 {
     this.node = node;
     this.computedStyle = computedStyle;
 }