Removed most of path utility functions in Files app.

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

 // Copyright (c) 2012 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.
 
 'use strict';
 
 /**
  * Namespace for utility functions.
  */
 var util = {};
@@ skipping 299 matching lines @@
               path, {create: false},
               resultCallback,
               errorCallback);
         } else {
           errorCallback(err);
         }
       });
 };
 
 /**
- * Locate the file referred to by path, creating directories or the file
- * itself if necessary.
- * @param {DirEntry} root The root entry.
- * @param {string} path The file path.
- * @param {function(FileEntry)} successCallback The callback.
- * @param {function(FileError)} errorCallback The callback.
- */
-util.getOrCreateFile = function(root, path, successCallback, errorCallback) {
-  var dirname = null;
-  var basename = null;
-
-  var onDirFound = function(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) {
-    onDirFound(root);
-    return;
-  }
-
-  util.getOrCreateDirectory(root, dirname, onDirFound, errorCallback);
-};
-
-/**
- * Locate the directory referred to by path, creating directories along the
- * way.
- * @param {DirEntry} root The root entry.
- * @param {string} path The directory path.
- * @param {function(FileEntry)} successCallback The callback.
- * @param {function(FileError)} errorCallback The callback.
- */
-util.getOrCreateDirectory = function(root, path, successCallback,
-                                     errorCallback) {
-  var names = path.split('/');
-
-  var getOrCreateNextName = function(dir) {
-    if (!names.length)
-      return successCallback(dir);
-
-    var name;
-    do {
-      name = names.shift();
-    } while (!name || name == '.');
-
-    dir.getDirectory(name, { create: true }, getOrCreateNextName,
-                     errorCallback);
-  };
-
-  getOrCreateNextName(root);
-};
-
-/**
  * Renames the entry to newName.
  * @param {Entry} entry The entry to be renamed.
  * @param {string} newName The new name.
  * @param {function(Entry)} successCallback Callback invoked when the rename
  *     is successfully done.
  * @param {function(FileError)} errorCallback Callback invoked when an error
  *     is found.
  */
 util.rename = function(entry, newName, successCallback, errorCallback) {
   entry.getParent(function(parent) {
@@ skipping 906 matching lines @@
  * @enum {string}
  * @const
  */
 util.VolumeType = Object.freeze({
   DRIVE: 'drive',
   DOWNLOADS: 'downloads',
   REMOVABLE: 'removable',
   ARCHIVE: 'archive',
   CLOUD_DEVICE: 'cloud_device'
 });