Make a NaClDesc ctor for creating descs from NaClFileInfo.

src/trusted/desc/desc.gyp

 # -*- python -*-
 # Copyright 2008, Google Inc.
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
@@ skipping 34 matching lines @@
           'nacl_desc_base.h',
           'nacl_desc_cond.c',
           'nacl_desc_cond.h',
           'nacl_desc_custom.c',
           'nacl_desc_custom.h',
           'nacl_desc_dir.c',
           'nacl_desc_dir.h',
           'nacl_desc_effector.h',
           'nacl_desc_effector_trusted_mem.c',
           'nacl_desc_effector_trusted_mem.h',
+          'nacl_desc_file_info.c',
+          'nacl_desc_file_info.h',
           'nacl_desc_imc.c',
           'nacl_desc_imc.h',
           'nacl_desc_imc_shm.c',
           'nacl_desc_imc_shm.h',
           'nacl_desc_invalid.c',
           'nacl_desc_invalid.h',
           'nacl_desc_io.c',
           'nacl_desc_io.h',
           'nacl_desc_mutex.c',
           'nacl_desc_mutex.h',
@@ skipping 184 matching lines @@
       },
       'dependencies': [
         # 'nrd_xfer',
         '<(DEPTH)/native_client/src/shared/imc/imc.gyp:imc',
         '<(DEPTH)/native_client/src/shared/platform/platform.gyp:platform',
         '<(DEPTH)/native_client/src/trusted/nacl_base/nacl_base.gyp:nacl_base',
       ],
     },
   ],
 }