Namespace sandbox: add important security checks

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',
     '../gpu/command_buffer/command_buffer.gyp:gles2_utils',
     '../net/net.gyp:net',
@@ skipping 454 matching lines @@
       '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/bpf_utility_policy_linux.cc',
       'common/sandbox_linux/bpf_utility_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_debug_handling_linux.cc',
+      'common/sandbox_linux/sandbox_debug_handling_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',
@@ skipping 551 matching lines @@
         'common/gpu/client/gpu_memory_buffer_impl_ozone.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.cc',
         'common/gpu/client/gpu_memory_buffer_impl_ozone_native_buffer.h',
         'common/gpu/gpu_memory_buffer_factory_ozone.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.cc',
         'common/gpu/gpu_memory_buffer_factory_ozone_native_buffer.h',
       ],
     }],
   ],
 }