Factor out duplicated GioMemoryFileSnapshotCtor() + NaClAppLoadFile() calls

src/trusted/service_runtime/load_file.h

Index: src/trusted/service_runtime/load_file.h
diff --git a/src/trusted/service_runtime/load_file.h b/src/trusted/service_runtime/load_file.h
new file mode 100644
index 0000000000000000000000000000000000000000..cc9135e957a75ce0cc1dcac6dea5d6474f1f474e
--- /dev/null
+++ b/src/trusted/service_runtime/load_file.h
@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2013 The Native Client 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 NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_LOAD_FILE_H_
+#define NATIVE_CLIENT_SRC_TRUSTED_SERVICE_RUNTIME_LOAD_FILE_H_ 1
+
+#include "native_client/src/include/nacl_base.h"
+#include "native_client/src/include/nacl_compiler_annotations.h"
+#include "native_client/src/trusted/service_runtime/nacl_error_code.h"
+
+EXTERN_C_BEGIN
+
+struct NaClApp;
+
+NaClErrorCode NaClAppLoadFileFromFilename(struct NaClApp *nap,
+                                          const char *filename) NACL_WUR;
+
+EXTERN_C_END
+
+#endif