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

ui/views/views.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
   },
 
   'target_defaults': {
     'conditions': [
@@ skipping 676 matching lines @@
         '../../third_party/icu/icu.gyp:icuuc',
         '../ui.gyp:ui',
         '../ui.gyp:ui_resources',
         '../ui.gyp:ui_resources_standard',
         'views_examples_lib',
       ],
       'include_dirs': [
         '../..',
       ],
       'sources': [
+        '../../content/app/startup_helper_win.cc',
         'examples/content_client/examples_browser_main_parts.cc',
         'examples/content_client/examples_browser_main_parts.h',
         'examples/content_client/examples_content_browser_client.cc',
         'examples/content_client/examples_content_browser_client.h',
         'examples/content_client/examples_main_delegate.cc',
         'examples/content_client/examples_main_delegate.h',
         'examples/examples_main.cc',
         'test/test_views_delegate.cc',
         'test/test_views_delegate.h',
         '<(SHARED_INTERMEDIATE_DIR)/ui/ui_resources/ui_resources.rc',
@@ skipping 29 matching lines @@
           'sources/': [
             # This is needed because the aura rule strips it from the default
             # sources list.
             ['include', '^../../content/app/startup_helper_win.cc'],
           ],
         }],
       ],
     },  # target_name: views_examples_lib
   ],
 }