Pull in native_client and build tests.

mojo/tools/mojob.py

Index: mojo/tools/mojob.py
diff --git a/mojo/tools/mojob.py b/mojo/tools/mojob.py
index 9419ce50bd8102e6c94aea7373c9287d56c60e10..ff1cb285816caa8ef57e921b0642451b03643dbc 100755
--- a/mojo/tools/mojob.py
+++ b/mojo/tools/mojob.py
@@ -52,6 +52,9 @@ def _args_to_config(args):
   if 'with_dart' in args:
     additional_args['with_dart'] = args.with_dart
 
+  if 'nacl' in args:
+    additional_args['use_nacl'] = args.nacl
+
   if 'dry_run' in args:
     additional_args['dry_run'] = args.dry_run
 
@@ -100,6 +103,9 @@ def gn(config):
   if config.values['with_dart']:
     gn_args.append('mojo_use_dart=true')
 
+  if config.values['use_nacl']:
+    gn_args.append('mojo_use_nacl=true')
+
   if config.target_os == Config.OS_ANDROID:
     gn_args.append(r'''os=\"android\" cpu_arch=\"arm\"''')
   elif config.target_os == Config.OS_CHROMEOS:
@@ -216,6 +222,7 @@ def main():
   gn_parser.set_defaults(func=gn)
   gn_parser.add_argument('--with-dart', help='Configure the Dart bindings',
                          action='store_true')
+  gn_parser.add_argument('--nacl', help='Add in NaCl', action='store_true')
   clang_group = gn_parser.add_mutually_exclusive_group()
   clang_group.add_argument('--clang', help='Use Clang (default)', default=None,
                            action='store_true')