Move some basic early process init into Service Manager

services/service_manager/embedder/mac_init.h

Index: services/service_manager/embedder/mac_init.h
diff --git a/services/service_manager/embedder/mac_init.h b/services/service_manager/embedder/mac_init.h
new file mode 100644
index 0000000000000000000000000000000000000000..8999d02f90814c9239efd93a4ae93eca5281146f
--- /dev/null
+++ b/services/service_manager/embedder/mac_init.h
@@ -0,0 +1,15 @@
+// Copyright 2017 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.
+
+#ifndef SERVICES_SERVICE_MANAGER_EMBEDDER_MAC_INIT_H_
+#define SERVICES_SERVICE_MANAGER_EMBEDDER_MAC_INIT_H_
+
+namespace service_manager {
+
+// Perform any necessary Mac initialization.
+void InitializeMac();
+
+}  // namespace service_manager
+
+#endif  // SERVICES_SERVICE_MANAGER_EMBEDDER_MAC_INIT_H_