Inline content_[tests/browser/android].gypi into GN build.

content/content_nacl_nonsfi.gyp

-# 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.
-
-{
-  'variables': {
-    'chromium_code': 1,
-  },
-  'includes': [
-    '../build/common_untrusted.gypi',
-  ],
-  'conditions': [
-    ['disable_nacl==0 and disable_nacl_untrusted==0', {
-      'targets': [
-        {
-          'target_name': 'content_common_nacl_nonsfi',
-          'type': 'none',
-          'variables': {
-            'nacl_untrusted_build': 1,
-            'nlib_target': 'libcontent_common_nacl_nonsfi.a',
-            'build_glibc': 0,
-            'build_newlib': 0,
-            'build_irt': 0,
-            'build_pnacl_newlib': 0,
-            'build_nonsfi_helper': 1,
-
-            'sources': [
-              'common/sandbox_linux/sandbox_init_linux.cc',
-              'common/sandbox_linux/sandbox_seccomp_bpf_linux.cc',
-              'common/send_zygote_child_ping_linux.cc',
-              'public/common/content_switches.cc',
-            ],
-          },
-          'defines': [
-            'USE_SECCOMP_BPF=1',
-          ],
-          'dependencies': [
-            '../base/base_nacl.gyp:base_nacl_nonsfi',
-          ],
-        },
-      ],
-    }],
-  ],
-}