DevTools: Improve performance of the element breadcrumbs.

Source/devtools/front_end/DOMAgent.js

 /*
  * Copyright (C) 2009, 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 346 matching lines @@
     /**
      * @param {string} html
      * @param {function(?Protocol.Error)=} callback
      */
     setOuterHTML: function(html, callback)
     {
         DOMAgent.setOuterHTML(this.id, html, WebInspector.domAgent._markRevision(this, callback));
     },
 
     /**
-     * @param {function(?Protocol.Error)=} callback
+     * @param {function(?Protocol.Error, DOMAgent.NodeId=)=} callback
      */
     removeNode: function(callback)
     {
         DOMAgent.removeNode(this.id, WebInspector.domAgent._markRevision(this, callback));
     },
 
     copyNode: function()
     {
         function copy(error, text)
         {
@@ skipping 211 matching lines @@
         var attr = this._attributesMap[name];
         if (attr) {
             this._attributes.remove(attr);
             delete this._attributesMap[name];
         }
     },
 
     /**
      * @param {WebInspector.DOMNode} targetNode
      * @param {?WebInspector.DOMNode} anchorNode
-     * @param {function(?Protocol.Error)=} callback
+     * @param {function(?Protocol.Error, DOMAgent.NodeId=)=} callback
      */
     moveTo: function(targetNode, anchorNode, callback)
     {
         DOMAgent.moveTo(this.id, targetNode.id, anchorNode ? anchorNode.id : undefined, WebInspector.domAgent._markRevision(this, callback));
     },
 
     /**
      * @return {boolean}
      */
     isXMLNode: function()
@@ skipping 213 matching lines @@
 
 WebInspector.DOMDocument.prototype = {
     __proto__: WebInspector.DOMNode.prototype
 }
 
 /**
  * @extends {WebInspector.Object}
  * @constructor
  */
 WebInspector.DOMAgent = function() {
-    /** @type {Object|undefined} */
+    /** @type {!Object.<number, !WebInspector.DOMNode>} */
     this._idToDOMNode = {};
+    /** @type {?WebInspector.DOMDocument} */
     this._document = null;
+    /** @type {!Object.<number, boolean>} */
     this._attributeLoadNodeIds = {};
     InspectorBackend.registerDOMDispatcher(new WebInspector.DOMDispatcher(this));
 }
 
 WebInspector.DOMAgent.Events = {
     AttrModified: "AttrModified",
     AttrRemoved: "AttrRemoved",
     CharacterDataModified: "CharacterDataModified",
     NodeInserted: "NodeInserted",
     NodeRemoved: "NodeRemoved",
@@ skipping 496 matching lines @@
             highlightConfig.marginColor = WebInspector.Color.PageHighlight.Margin.toProtocolRGBA();
 
         if (mode === "all")
             highlightConfig.eventTargetColor = WebInspector.Color.PageHighlight.EventTarget.toProtocolRGBA();
 
         return highlightConfig;
     },
 
     /**
      * @param {WebInspector.DOMNode} node
-     * @param {function(?Protocol.Error)=} callback
-     * @return {function(?Protocol.Error)}
+     * @param {function(?Protocol.Error, A=, B=)=} callback
+     * @return {function(?Protocol.Error, A=, B=)}
+     * @template A,B
      */
     _markRevision: function(node, callback)
     {
         function wrapperFunction(error)
         {
             if (!error)
                 this.markUndoableState();
 
             if (callback)
                 callback.apply(this, arguments);
@@ skipping 189 matching lines @@
     shadowRootPopped: function(hostId, rootId)
     {
         this._domAgent._shadowRootPopped(hostId, rootId);
     }
 }
 
 /**
  * @type {?WebInspector.DOMAgent}
  */
 WebInspector.domAgent = null;