Update sandbox/linux from upstream

sandbox/linux/syscall_broker/broker_host_unittests.cc

Index: sandbox/linux/syscall_broker/broker_host_unittests.cc
diff --git a/sandbox/linux/syscall_broker/broker_host_unittests.cc b/sandbox/linux/syscall_broker/broker_host_unittests.cc
new file mode 100644
index 0000000000000000000000000000000000000000..dd051a17167c41229cd36e4609ee059be106f3e7
--- /dev/null
+++ b/sandbox/linux/syscall_broker/broker_host_unittests.cc
@@ -0,0 +1,42 @@
+// 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.
+
+#include "sandbox/linux/syscall_broker/broker_host.h"
+
+#include <errno.h>
+#include <fcntl.h>
+#include <sys/resource.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+
+#include <algorithm>
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "base/bind.h"
+#include "base/files/file_util.h"
+#include "base/files/scoped_file.h"
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/posix/eintr_wrapper.h"
+#include "base/posix/unix_domain_socket_linux.h"
+#include "sandbox/linux/tests/scoped_temporary_file.h"
+#include "sandbox/linux/tests/test_utils.h"
+#include "sandbox/linux/tests/unit_tests.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace sandbox {
+
+namespace syscall_broker {
+
+namespace {
+
+}  // namespace
+
+}  // namespace syscall_broker
+
+}  // namespace sandbox