Linux sandbox: save full list of SUID unsafe environment variables.

sandbox/sandbox.gyp

 # Copyright (c) 2009 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.
 
 {
   'includes': [
     '../build/common.gypi',
   ],
   'conditions': [
     [ 'OS=="linux"', {
       'targets': [
         {
           'target_name': 'chrome_sandbox',
           'type': 'executable',
           'conditions': [
             ['linux_suid_sandbox_restrictions=="User"',
               {
                 'defines': [ 'CHROME_DEVEL_SANDBOX' ],
               },
             ],
           ],
           'defines': [
             'LINUX_SANDBOX_CHROME_PATH="<(linux_sandbox_chrome_path)"',
           ],
           'sources': [
             'linux/suid/sandbox.cc',
           ],
+          'include_dirs': [
+            '..',
+          ],
         }
       ],
     }],
     [ 'OS=="win"', {
       'targets': [
         {
           'target_name': 'sandbox',
           'type': '<(library)',
           'dependencies': [
             '../testing/gtest.gyp:gtest',
@@ skipping 307 matching lines @@
             'Debug': {
               'msvs_precompiled_header': 'sandbox_poc/pocdll/stdafx.h',
               'msvs_precompiled_source': 'sandbox_poc/pocdll/stdafx.cc',
             },
           },
         },
       ],
     }],
   ],
 }