Add SeccompSupportDetector for Android.

chrome/browser/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 # //build/config/android/rules.gni imports //tools/grit/grit_rule.gni, which
 # produces a conflict for the "grit" template so we have to only include one.
@@ skipping 591 matching lines @@
       "//components/web_contents_delegate_android",
       "//third_party/android_opengl/etc1",
       "//third_party/libaddressinput:util",
     ]
     deps -= [
       "//third_party/libaddressinput",
       "//components/storage_monitor",
       "//components/web_modal",
     ]
     defines += [ "ENABLE_DATA_REDUCTION_PROXY_DEBUGGING" ]
+
+    if (use_seccomp_bpf) {
+      defines += [ "USE_SECCOMP_BPF" ]
+    }
   }
 
   if (is_mac) {
     deps += [
       "//third_party/google_toolbox_for_mac",
       "//third_party/mozilla",
     ]
     libs += [
       "Accelerate.framework",
       "AddressBook.framework",
@@ skipping 478 matching lines @@
     ]
   }
 
   if (enable_wifi_bootstrapping) {
     sources += [
       "local_discovery/wifi/mock_wifi_manager.cc",
       "local_discovery/wifi/mock_wifi_manager.h",
     ]
   }
 }