DevTools: Add JSDoc for static methods, fix JSDoc types and induced errors

Source/devtools/front_end/network/RequestTimingView.js

 /*
  * Copyright (C) 2010 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
             this._tableElement.remove();
 
         this._tableElement = WebInspector.RequestTimingView.createTimingTable(this._request);
         this.element.appendChild(this._tableElement);
     },
 
     __proto__: WebInspector.VBox.prototype
 }
 
 
+/**
+ * @param {!WebInspector.NetworkRequest} request
+ * @return {!Element}
+ */
 WebInspector.RequestTimingView.createTimingTable = function(request)
 {
     var tableElement = document.createElement("table");
     tableElement.className = "network-timing-table";
     var rows = [];
 
     function addRow(title, className, start, end)
     {
         var row = {};
         row.title = title;
@@ skipping 77 matching lines @@
     }
 
     if (!request.finished) {
         var cell = tableElement.createChild("tr").createChild("td", "caution");
         cell.colSpan = 2;
         cell.createTextChild(WebInspector.UIString("CAUTION: request is not finished yet!"));
     }
 
     return tableElement;
 }