Don't pull in content_switches.cc to whole chrome code base

chrome/chrome_exe.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.
 
 {
   'targets': [
     {
       'target_name': 'chrome',
       'type': 'executable',
       'mac_bundle': 1,
       'variables': {
         'use_system_xdg_utils%': 0,
         'enable_wexit_time_destructors': 1,
       },
       'sources': [
         'app/breakpad_win.cc',
         'app/breakpad_win.h',
         'app/chrome_exe_main_aura.cc',
         'app/chrome_exe_main_gtk.cc',
         'app/chrome_exe_main_mac.cc',
         'app/chrome_exe_main_win.cc',
         'app/chrome_exe_resource.h',
         'app/client_util.cc',
         'app/client_util.h',
         'app/hard_error_handler_win.cc',
         'app/hard_error_handler_win.h',
         'app/metro_driver_win.cc',
         'app/metro_driver_win.h',
-        '../content/app/startup_helper_win.cc',
+        '<(DEPTH)/content/app/startup_helper_win.cc',
+        '<(DEPTH)/content/public/common/content_switches.cc',
       ],
       'mac_bundle_resources': [
         'app/app-Info.plist',
       ],
       # TODO(mark): Come up with a fancier way to do this.  It should only
       # be necessary to list app-Info.plist once, not the three times it is
       # listed here.
       'mac_bundle_resources!': [
         'app/app-Info.plist',
       ],
@@ skipping 598 matching lines @@
               'dependencies': [
                 'chrome_nacl_win64',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }