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

Source/devtools/front_end/resources/DirectoryContentView.js

 /*
  * Copyright (C) 2012 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 83 matching lines @@
     WebInspector.DataGridNode.call(this, data);
     this._entry = entry;
     this._metadata = null;
 
     this._entry.requestMetadata(this._metadataReceived.bind(this));
 }
 
 /**
  * @param {string} column
  * @param {boolean} reverse
+ * @return {function(*, *):number|undefined}

[aandrey, 2014/06/17 11:33:54]

why * instead of types?

[apavlov, 2014/06/17 12:46:03]

Done.

  */
 WebInspector.DirectoryContentView.Node.comparator = function(column, reverse)
 {
     var reverseFactor = reverse ? -1 : 1;
     const indexes = WebInspector.DirectoryContentView.columnIndexes;
 
     switch (column) {
     case indexes.Name:
     case indexes.URL:
         return function(x, y)
@@ skipping 61 matching lines @@
         if (this._entry.isDirectory)
             data[indexes.Size] = WebInspector.UIString("-");
         else
             data[indexes.Size] = Number.bytesToString(metadata.size);
         data[indexes.ModificationTime] = new Date(metadata.modificationTime).toISOString();
         this.data = data;
     },
 
     __proto__: WebInspector.DataGridNode.prototype
 }