seccomp-bpf-helpers: Fix undefined reference

services/shell/shell.gyp

 # Copyright 2015 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': 'shell_lib',
     'type': 'static_library',
     'sources': [
@@ skipping 128 matching lines @@
     'conditions': [
       ['OS=="linux"', {
         'sources': [
           'runner/host/linux_sandbox.cc',
           'runner/host/linux_sandbox.h',
         ],
         'dependencies': [
           '<(DEPTH)/sandbox/sandbox.gyp:sandbox',
           '<(DEPTH)/sandbox/sandbox.gyp:sandbox_services',
           '<(DEPTH)/sandbox/sandbox.gyp:seccomp_bpf',
-          '<(DEPTH)/sandbox/sandbox.gyp:seccomp_bpf_helpers',
         ],
       }],
       ['OS=="mac"', {
         'sources': [
           'runner/host/mach_broker.cc',
           'runner/host/mach_broker.h',
         ],
       }],
     ],
   }, {
@@ skipping 36 matching lines @@
             '../../build/isolate.gypi',
           ],
           'sources': [
             'mojo_shell_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }