Implement a poor man's PostAfterStartupTask() function.

build/some.gyp

 # Copyright (c) 2011 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.
 {
   'targets': [
     {
       'target_name': 'some',
       'type': 'none',
       'dependencies': [
         # This file is intended to be locally modified. List the targets you use
         # regularly. The generated some.sln will contains projects for only
         # those targets and the targets they are transitively dependent on. This
         # can result in a solution that loads and unloads faster in Visual
         # Studio.
         #
         # Tip: Create a dummy CL to hold your local edits to this file, so they
         # don't accidentally get added to another CL that you are editing.
         #
         # Example:
         # '../chrome/chrome.gyp:chrome',
       ],
     },
   ],
-}
+}