Removed most of path utility functions in Files app.

chrome/browser/resources/file_manager/background/js/volume_manager.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';
 
 /**
  * Represents each volume, such as "drive", "download directory", each "USB
  * flush storage", or "mounted zip archive" etc.
  *
@@ skipping 24 matching lines @@
   this.mountPath_ = mountPath;
   this.volumeId_ = volumeId;
   this.root_ = root;
   this.displayRoot_ = null;
   this.fakeEntries_ = {};
   this.displayRoot_ = null;
   this.displayRootPromise_ = null;
 
   if (volumeType === util.VolumeType.DRIVE) {
     this.fakeEntries[RootType.DRIVE_OFFLINE] = {
-      fullPath: RootDirectory.DRIVE_OFFLINE,
+      fullPath: '/drive_offline',
       isDirectory: true,
       rootType: RootType.DRIVE_OFFLINE,
       toURL: function() { return 'fake-entry://' + this.fullPath; }
     };
     this.fakeEntries[RootType.DRIVE_SHARED_WITH_ME] = {
-      fullPath: RootDirectory.DRIVE_SHARED_WITH_ME,
+      fullPath: '/drive_shared_with_me',
       isDirectory: true,
       rootType: RootType.DRIVE_SHARED_WITH_ME,
       toURL: function() { return 'fake-entry://' + this.fullPath; }
     };
     this.fakeEntries[RootType.DRIVE_RECENT] = {
-      fullPath: RootDirectory.DRIVE_RECENT,
+      fullPath: '/drive_recent',
       isDirectory: true,
       rootType: RootType.DRIVE_RECENT,
       toURL: function() { return 'fake-entry://' + this.fullPath; }
     };
   }
 
   // Note: This represents if the mounting of the volume is successfully done
   // or not. (If error is empty string, the mount is successfully done).
   // TODO(hidehiko): Rename to make this more understandable.
   this.error = error;
@@ skipping 555 matching lines @@
 VolumeManager.prototype.unmount = function(volumeInfo,
                                            successCallback,
                                            errorCallback) {
   chrome.fileBrowserPrivate.removeMount(
       util.makeFilesystemUrl(volumeInfo.mountPath));
   var requestKey = this.makeRequestKey_('unmount', volumeInfo.mountPath);
   this.startRequest_(requestKey, successCallback, errorCallback);
 };
 
 /**
- * Resolves the absolute path to its entry. Shouldn't be used outside of the
- * Files app's initialization.
- * @param {string} path The path to be resolved.
- * @param {function(Entry)} successCallback Called with the resolved entry on
- *     success.
- * @param {function(FileError)} errorCallback Called on error.
- */
-VolumeManager.prototype.resolveAbsolutePath = function(
-    path, successCallback, errorCallback) {
-  // Make sure the path is in the mounted volume.
-  var volumeInfo = this.getVolumeInfo(path);
-  if (!volumeInfo || !volumeInfo.root) {
-    errorCallback(util.createDOMError(util.FileError.NOT_FOUND_ERR));
-    return;
-  }
-
-  webkitResolveLocalFileSystemURL(
-      util.makeFilesystemUrl(path), successCallback, errorCallback);
-};
-
-/**
  * Obtains the information of the volume that containing an entry pointed by the
  * specified path.
  * TODO(hirono): Stop to use path to get a volume info.
  *
  * @param {string|Entry} target Path or Entry pointing anywhere on a volume.
  * @return {VolumeInfo} The data about the volume.
  */
 VolumeManager.prototype.getVolumeInfo = function(target) {
   if (typeof target === 'string')
     return this.volumeInfoList.findByPath(target);
@@ skipping 222 matching lines @@
       this.isDriveBased;
 
   /**
    * Whether the entry is read only or not.
    * @type {boolean}
    */
   this.isReadOnly = isReadOnly;
 
   Object.freeze(this);
 }