webkit_support_common should depend on setup_third_party.gyp:third_party_head...

webkit/support/webkit_support.gypi

 # Copyright (c) 2010 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,
   },
   'targets': [
     {
@@ skipping 84 matching lines @@
         '<(DEPTH)/webkit/tools/test_shell/simple_socket_stream_bridge.h',
         '<(DEPTH)/webkit/tools/test_shell/simple_webcookiejar_impl.cc',
         '<(DEPTH)/webkit/tools/test_shell/simple_webcookiejar_impl.h',
         '<(DEPTH)/webkit/tools/test_shell/test_shell_request_context.cc',
         '<(DEPTH)/webkit/tools/test_shell/test_shell_request_context.h',
         '<(DEPTH)/webkit/tools/test_shell/test_shell_webblobregistry_impl.cc',
         '<(DEPTH)/webkit/tools/test_shell/test_shell_webblobregistry_impl.h',
         '<(DEPTH)/webkit/tools/test_shell/test_shell_webmimeregistry_impl.cc',
         '<(DEPTH)/webkit/tools/test_shell/test_shell_webmimeregistry_impl.h',
       ],
+      'conditions': [
+        ['inside_chromium_build==0', {
+          'dependencies': [
+            'setup_third_party.gyp:third_party_headers',
+          ],
+        }],
+      ],
     },
   ],
 }
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: