Linux sandbox: support build configuration without base test framework

sandbox/linux/sandbox_linux.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.
 
 {
   'variables': {
     'conditions': [
       ['OS=="linux"', {
         'compile_suid_client': 1,
         'compile_credentials': 1,
+        'use_base_test_suite': 1,
       }, {
         'compile_suid_client': 0,
         'compile_credentials': 0,
+        'use_base_test_suite': 0,
       }],
       ['OS=="linux" and (target_arch=="ia32" or target_arch=="x64" or '
          'target_arch=="mipsel")', {
         'compile_seccomp_bpf_demo': 1,
       }, {
         'compile_seccomp_bpf_demo': 0,
       }],
     ],
   },
   'target_defaults': {
@@ skipping 57 matching lines @@
           'sources': [
             'seccomp-bpf/bpf_tester_compatibility_delegate.h',
             'seccomp-bpf/bpf_tests.h',
             'seccomp-bpf/sandbox_bpf_test_runner.cc',
             'seccomp-bpf/sandbox_bpf_test_runner.h',
           ],
           'dependencies': [
             'seccomp_bpf',
           ]
         }],
+        [ 'use_base_test_suite==1', {
+          'dependencies': [
+            '../base/base.gyp:test_support_base',
+          ],
+          'defines': [
+            'SANDBOX_USES_BASE_TEST_SUITE',
+          ],
+        }],
       ],
     },
     {
       # The main sandboxing test target.
       'target_name': 'sandbox_linux_unittests',
       'includes': [
         'sandbox_linux_test_sources.gypi',
       ],
       'type': 'executable',
     },
@@ skipping 295 matching lines @@
             '../../build/isolate.gypi',
           ],
           'sources': [
             '../sandbox_linux_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }