Refactored Non-SFI and SFI NaCl into separate directories.

mojo/nacl/sfi/nacl_bindings/mojo_syscall.h

Index: mojo/nacl/sfi/nacl_bindings/mojo_syscall.h
diff --git a/nacl_bindings/mojo_syscall.h b/mojo/nacl/sfi/nacl_bindings/mojo_syscall.h
similarity index 83%
rename from nacl_bindings/mojo_syscall.h
rename to mojo/nacl/sfi/nacl_bindings/mojo_syscall.h
index 031fdf20ae9464a8b354149818c9d97fb7b53b3a..b66b593df9111cf6c9929e5ecb8bdb5a84daa2db 100644
--- a/nacl_bindings/mojo_syscall.h
+++ b/mojo/nacl/sfi/nacl_bindings/mojo_syscall.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MOJO_NACL_MOJO_SYSCALL_H_
-#define MOJO_NACL_MOJO_SYSCALL_H_
+#ifndef MOJO_NACL_SFI_NACL_BINDINGS_MOJO_SYSCALL_H_
+#define MOJO_NACL_SFI_NACL_BINDINGS_MOJO_SYSCALL_H_
 
 #include "mojo/public/c/system/types.h"
 
@@ -18,4 +18,4 @@ MojoResult InjectMojo(struct NaClApp* nap, MojoHandle handle);
 // more straightforward in the case where Mojo is not enabled for NaCl plugins.
 void InjectDisabledMojo(struct NaClApp* nap);
 
-#endif  // MOJO_NACL_MOJO_SYSCALL_H_
+#endif  // MOJO_NACL_SFI_NACL_BINDINGS_MOJO_SYSCALL_H_