[DevTools] Rename View to Widget.

Source/devtools/front_end/elements/ElementsSidebarView.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.
 
 /**
  * @interface
  */
 WebInspector.ElementsSidebarView = function()
 {
 }
 
 WebInspector.ElementsSidebarView.prototype = {
     // FIXME: nodeUpdates should also be here.
     /**
      * @param {?WebInspector.DOMNode} node
      */
     setNode: function(node) { },
 
     /**
-     * @return {!WebInspector.View}
+     * @return {!WebInspector.Widget}
      */
     view: function() { }
 }
 
 /**
  * @constructor
  * @extends {WebInspector.SidebarPane}
  * @param {string} title
  * @param {!WebInspector.ElementsSidebarView} elementsSidebarView
  */
 WebInspector.ElementsSidebarViewWrapperPane = function(title, elementsSidebarView)
 {
     WebInspector.SidebarPane.call(this, title);
     this._elementsSidebarView = elementsSidebarView;
     this._elementsSidebarView.view().show(this.element);
 }
 
 WebInspector.ElementsSidebarViewWrapperPane.prototype = {
     /**
      * @param {?WebInspector.DOMNode} node
      */
     setNode: function(node)
     {
         this._elementsSidebarView.setNode(node);
     },
 
     __proto__: WebInspector.SidebarPane.prototype
 }