Add support for directory access to the file system API.

chrome/common/extensions/permissions/permission_message.h

 // 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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_MESSAGE_H_
 #define CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_MESSAGE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 52 matching lines @@
     kSyncFileSystem,
     kAudio,
     kFavicon,
     kMusicManagerPrivate,
     kWebConnectable,
     kActivityLogPrivate,
     kBluetoothDevices,
     kDownloadsOpen,
     kNetworkingPrivate,
     kDeclarativeWebRequest,
+    kFileSystemDirectory,
     kEnumBoundary,
   };
   COMPILE_ASSERT(PermissionMessage::kNone > PermissionMessage::kUnknown,
                  kNone_not_greater_than_kUnknown);
 
   // Creates the corresponding permission message for a list of hosts. This is
   // simply a convenience method around the constructor, since the messages
   // change depending on what hosts are present.
   static PermissionMessage CreateFromHostList(
       const std::set<std::string>& hosts);
@@ skipping 29 matching lines @@
   ID id_;
   string16 message_;
   string16 details_;
 };
 
 typedef std::vector<PermissionMessage> PermissionMessages;
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_PERMISSIONS_PERMISSION_MESSAGE_H_