File Manager: Assorted fixes and polish

chrome/browser/resources/file_manager/js/util.js

 // Copyright (c) 2011 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.
 
 /**
  * Namespace for utility functions.
  */
 var util = {
   /**
    * Returns a function that console.log's its arguments, prefixed by |msg|.
@@ skipping 236 matching lines @@
             } else  {
               errorCallback(err);
             }
         });
   },
 
   /**
    * Locate the file referred to by path, creating directories or the file
    * itself if necessary.
    */
-  getOrCreateFile: function(path, successCallback, errorCallback) {
+  getOrCreateFile: function(root, path, successCallback, errorCallback) {
     var dirname = null;
     var basename = null;
 
     function onDirFound(dirEntry) {
       dirEntry.getFile(basename, { create: true },
                        successCallback, errorCallback);
     }
 
     var i = path.lastIndexOf('/');
     if (i > -1) {
       dirname = path.substr(0, i);
       basename = path.substr(i + 1);
     } else {
       basename = path;
     }
 
     if (!dirname)
-      return onDirFound(this.filesystem.root);
+      return onDirFound(root);
 
-    this.getOrCreateDirectory(dirname, onDirFound, errorCallback);
+    util.getOrCreateDirectory(root, dirname, onDirFound, errorCallback);
   },
 
   /**
    * Locate the directory referred to by path, creating directories along the
    * way.
    */
-  getOrCreateDirectory: function(path, successCallback, errorCallback) {
+  getOrCreateDirectory: function(root, path, successCallback, errorCallback) {
     var names = path.split('/');
 
     function getOrCreateNextName(dir) {
       if (!names.length)
         return successCallback(dir);
 
       var name;
       do {
         name = names.shift();
       } while (!name || name == '.');
 
       dir.getDirectory(name, { create: true }, getOrCreateNextName,
                        errorCallback);
     }
 
-    getOrCreateNextName(this.filesystem.root);
+    getOrCreateNextName(root);
   },
 
   /**
    * Lookup tables used by bytesToSi.
    */
   units_: ['B', 'k', 'M', 'G', 'T', 'P'],
   scale_: [1, 1e3, 1e6, 1e9, 1e12, 1e15],
 
   /**
    * Convert a number of bytes into an appropriate International System of
@@ skipping 73 matching lines @@
       if (typeof(arg) == 'string') {
         element.appendChild(document.createTextNode(arg));
       } else {
         element.appendChild(arg);
       }
     }
 
     return element;
   }
 };