Implement chrome.fileSystem.requestFileSystem().

chrome/common/extensions/api/file_manager_private.idl

 // Copyright 2013 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.
 
 // fileManagerPrivate API.
 // This is a private API used by the file browser of ChromeOS.
 [platforms=("chromeos"),
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_manager_private_api_functions.h"]
 namespace fileManagerPrivate {
 // Type of the mounted volume.
@@ skipping 575 matching lines @@
 
 // |profiles| List of profile information.
 // |runningProfile| ID of the profile that runs the application instance.
 // |showingProfile| ID of the profile that shows the application window.
 callback GetProfilesCallback = void(ProfileInfo[] profiles,
                                     DOMString runningProfile,
                                     DOMString displayProfile);
 
 // |entryUrl| URL of an entry in a normal file system.
 callback ResolveEntriesCallback =
-    void([instanceOf=FileEntry] object[] entries);
+    void([instanceOf=Entry] object[] entries);
 
 // |checksum| Result checksum.
 callback ComputeChecksumCallback = void(DOMString checksum);
 
 interface Functions {
   // Logout the current user for navigating to the re-authentication screen for
   // the Google account.
   static void logoutUserForReauthentication();
 
   // Cancels file selection.
@@ skipping 38 matching lines @@
   // |fileUrl| URL of file to watch
   // |callback|
   static void addFileWatch(DOMString fileUrl, AddFileWatchCallback callback);
 
   // Removes file watch.
   // |fileUrl| URL of watched file to remove
   // |callback|
   static void removeFileWatch(DOMString fileUrl,
                               RemoveFileWatchCallback callback);
 
-  // Requests access to a file system volume.
-  // |volumeId| The ID of the file system volume to request. The volume ID is
-  //     delivered to JavaScript as part of VolumeMetadata.
-  // |callback|
-  static void requestFileSystem(DOMString volumeId,
-                                RequestFileSystemCallback callback);
-
   // Enables the extenal file scheme necessary to initiate drags to the browser
   // window for files on the external backend.
   static void enableExternalFileScheme();
 
   // Requests granting R/W permissions for the passed entries. It's a best
   // effort operation. Some files may not be granted access if the url is
   // invalid or not backed by the external file system.
   // |entryUrls| Urls for the entries to be accessed.
   // |callback|
   static void grantAccess(DOMString[] entryUrls, SimpleCallback callback);
@@ skipping 31 matching lines @@
 
   // Pins/unpins a Drive file in the cache.
   // |fileUrl| URL of a file to pin/unpin.
   // |pin| Pass true to pin the file.
   // |callback| Completion callback. $(ref:runtime.lastError) will be set if
   //     there was an error.
   static void pinDriveFile(DOMString fileUrl,
                            boolean pin,
                            optional SimpleCallback callback);
 
-  // Resolves file entries in the isolated file system and returns corresponding
+  // Resolves entries in the isolated file system and returns corresponding
   // entries in the external file system mounted to Chrome OS file manager
   // backend. If resolving entry fails, the entry will be just ignored and the
   // corresponding entry does not appear in the result.
   [nocompile]
   static void resolveIsolatedEntries(
-      [instanceOf=FileEntry] object[] entries,
+      [instanceOf=Entry] object[] entries,
       ResolveEntriesCallback callback);
 
   // Mount a resource or a file.
   // |source| Mount point source. For compressed files it is relative file path
   //     within external file system
   // |callback|
   static void addMount(DOMString source, AddMountCallback callback);
 
   // Unmounts a mounted resource.
   // |volumeId| An ID of the volume.
@@ skipping 162 matching lines @@
 
   static void onPreferencesChanged();
 
   static void onDriveConnectionStatusChanged();
 
   static void onDeviceChanged(DeviceEvent event);
 
   static void onDriveSyncError(DriveSyncErrorEvent event);
 };
 };