Undo the startup_helper_win.h change in r143501 because that breaks the sandbox in component builds.

chrome/test/gpu/test_support_gpu.gypi

 # 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.
 
 # This file is meant to be included into targets which run gpu tests.
 {
   'variables': {
      'test_list_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome/test/gpu',
      'src_dir': '../../..',
   },
@@ skipping 16 matching lines @@
   'defines': [
     'HAS_OUT_OF_PROC_TEST_RUNNER',
     'BROWSER_TESTS_HEADER_OVERRIDE="chrome/test/base/in_process_browser_test.h"',
   ],
   'include_dirs': [
     '<(src_dir)',
     '<(test_list_out_dir)',
   ],
   'sources': [
     '<(src_dir)/chrome/test/base/chrome_test_launcher.cc',
+    '<(src_dir)/content/app/startup_helper_win.cc',
     '<(src_dir)/content/test/gpu/test_switches.cc',
     '<(src_dir)/content/test/gpu/test_switches.h',
   ],
   # hard_dependency is necessary for this target because it has actions
   # that generate a header file included by dependent targets. The header
   # file must be generated before the dependents are compiled. The usual
   # semantics are to allow the two targets to build concurrently.
   'hard_dependency': 1,
   'conditions': [
     ['OS=="win"', {
@@ skipping 53 matching lines @@
         '<(src_dir)/build/linux/system.gyp:ssl',
       ],
     }],
     ['toolkit_views==1', {
       'dependencies': [
        '<(src_dir)/ui/views/views.gyp:views',
       ],
     }],
   ],
 }