Make a NaClDesc ctor for creating descs from NaClFileInfo.

src/trusted/validator/nacl_file_info.h

Index: src/trusted/validator/nacl_file_info.h
diff --git a/src/trusted/validator/nacl_file_info.h b/src/trusted/validator/nacl_file_info.h
index f93796bac2cbf553071a40899ac1d563310303f7..7db28450ce64eae69e25b69be5e506046745c77c 100644
--- a/src/trusted/validator/nacl_file_info.h
+++ b/src/trusted/validator/nacl_file_info.h
@@ -4,12 +4,19 @@
  * found in the LICENSE file.
  */
 
-#ifndef NATIVE_CLIENT_SRC_TRUSTED_REVERSE_SERVICE_NACL_FILE_INFO_H_
-#define NATIVE_CLIENT_SRC_TRUSTED_REVERSE_SERVICE_NACL_FILE_INFO_H_
+#ifndef NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_NACL_FILE_INFO_H_
+#define NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_NACL_FILE_INFO_H_
 
 #include "native_client/src/include/nacl_base.h"
 #include "native_client/src/include/portability.h"
 
+/*
+ * TODO(jvoung): Moving this to src/public/nacl_file_info.h.
+ * This copy is left here to avoid a complicated NaCl -> Chrome
+ * DEPS roll. Remove this copy once DEPS'ed in a Chrome users
+ * refer to the src/public copy instead of this copy.
+ */
+
 EXTERN_C_BEGIN
 
 /*
@@ -30,4 +37,4 @@ struct NaClFileInfo {
 
 EXTERN_C_END
 
-#endif /* NATIVE_CLIENT_SRC_TRUSTED_REVERSE_SERVICE_NACL_FILE_INFO_H_ */
+#endif /* NATIVE_CLIENT_SRC_TRUSTED_VALIDATOR_NACL_FILE_INFO_H_ */