Support DIR_STANDALONE_EXTERNAL_EXTENSIONS on Chrome OS

chrome/common/chrome_paths.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_CHROME_PATHS_H__
 #define CHROME_COMMON_CHROME_PATHS_H__
 
 #include "build/build_config.h"
 
 // This file declares path keys for the chrome module.  These can be used with
@@ skipping 43 matching lines @@
   DIR_MANAGED_PREFS,            // Directory that stores the managed prefs plist
                                 // files for the current user.
 #endif
 #if defined(OS_CHROMEOS) || defined(OS_MACOSX)
   DIR_USER_EXTERNAL_EXTENSIONS,  // Directory for per-user external extensions
                                  // on Chrome Mac.  On Chrome OS, this path is
                                  // used for OEM customization.
                                  // Getting this path does not create it.
 #endif
 
-#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
+#if defined(OS_LINUX)
   DIR_STANDALONE_EXTERNAL_EXTENSIONS,  // Directory for 'per-extension'
                                        // definition manifest files that
                                        // describe extensions which are to be
                                        // installed when chrome is run.
 #endif
   DIR_EXTERNAL_EXTENSIONS,      // Directory where installer places .crx files.
 
   DIR_DEFAULT_APPS,             // Directory where installer places .crx files
                                 // to be installed when chrome is first run.
   DIR_PEPPER_FLASH_PLUGIN,      // Directory to the bundled Pepper Flash plugin,
@@ skipping 50 matching lines @@
 
   PATH_END
 };
 
 // Call once to register the provider for the path keys defined above.
 void RegisterPathProvider();
 
 }  // namespace chrome
 
 #endif  // CHROME_COMMON_CHROME_PATHS_H__