Make building seccomp-bpf a GYP condition

content/content_common.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.
 
 {
   'dependencies': [
     '../base/base.gyp:base',
     '../components/tracing.gyp:tracing',
     '../net/net.gyp:net',
     '../skia/skia.gyp:skia',
@@ skipping 330 matching lines @@
     'common/plugin_list_win.cc',
     'common/plugin_process_messages.h',
     'common/power_monitor_messages.h',
     'common/process_type.cc',
     'common/quota_messages.h',
     'common/resource_messages.cc',
     'common/resource_messages.h',
     'common/sandbox_init_mac.cc',
     'common/sandbox_init_mac.h',
     'common/sandbox_init_win.cc',
-    'common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc',
-    'common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.h',
-    'common/sandbox_linux/bpf_gpu_policy_linux.cc',
-    'common/sandbox_linux/bpf_gpu_policy_linux.h',
-    'common/sandbox_linux/bpf_ppapi_policy_linux.cc',
-    'common/sandbox_linux/bpf_ppapi_policy_linux.h',
-    'common/sandbox_linux/bpf_renderer_policy_linux.cc',
-    'common/sandbox_linux/bpf_renderer_policy_linux.h',
-    'common/sandbox_linux/sandbox_bpf_base_policy_linux.cc',
-    'common/sandbox_linux/sandbox_bpf_base_policy_linux.h',
     'common/sandbox_linux/sandbox_init_linux.cc',
     'common/sandbox_linux/sandbox_linux.cc',
     'common/sandbox_linux/sandbox_linux.h',
-    'common/sandbox_linux/sandbox_seccomp_bpf_linux.cc',
-    'common/sandbox_linux/sandbox_seccomp_bpf_linux.h',
     'common/sandbox_mac.h',
     'common/sandbox_mac.mm',
     'common/sandbox_util.cc',
     'common/sandbox_util.h',
     'common/sandbox_win.cc',
     'common/sandbox_win.h',
     'common/savable_url_schemes.cc',
     'common/savable_url_schemes.h',
     'common/set_process_title.cc',
     'common/set_process_title.h',
@@ skipping 252 matching lines @@
           'python',
         '../build/extract_from_cab.py',
         '..\\third_party\\directxsdk\\files\\Redist\\<(input)',
         '<(output)',
         '<(PRODUCT_DIR)',
         ],
         'msvs_cygwin_shell': 1,
       },
      ]
     }],
+    ['use_seccomp_bpf==1', {
+      'sources': [
+        'common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.cc',
+        'common/sandbox_linux/bpf_cros_arm_gpu_policy_linux.h',
+        'common/sandbox_linux/bpf_gpu_policy_linux.cc',
+        'common/sandbox_linux/bpf_gpu_policy_linux.h',
+        'common/sandbox_linux/bpf_ppapi_policy_linux.cc',
+        'common/sandbox_linux/bpf_ppapi_policy_linux.h',
+        'common/sandbox_linux/bpf_renderer_policy_linux.cc',
+        'common/sandbox_linux/bpf_renderer_policy_linux.h',
+        'common/sandbox_linux/sandbox_bpf_base_policy_linux.cc',
+        'common/sandbox_linux/sandbox_bpf_base_policy_linux.h',
+        'common/sandbox_linux/sandbox_seccomp_bpf_linux.cc',
+        'common/sandbox_linux/sandbox_seccomp_bpf_linux.h',
+      ],
+      'defines': ['USE_SECCOMP_BPF'],
+    }, {
+      'sources': [
+        # These are included in both cases.

[Mark Seaborn, 2013/12/18 08:10:21]

Same comment as other file...

[jln (very slow on Chromium), 2013/12/19 00:00:19]

Done.

+        'common/sandbox_linux/sandbox_seccomp_bpf_linux.cc',
+        'common/sandbox_linux/sandbox_seccomp_bpf_linux.h',
+      ],
+    }],
   ],
 }