Creating a pexe content handler to translate and run pexes.

mojo/nacl/nonsfi/nexe_launcher_nonsfi.cc

 // Copyright 2015 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.
 
 #include "mojo/nacl/nonsfi/nexe_launcher_nonsfi.h"
 
 #include "base/files/file_util.h"
 #include "mojo/nacl/nonsfi/irt_mojo_nonsfi.h"
 #include "mojo/public/c/system/types.h"
 #include "native_client/src/public/irt_core.h"
 #include "native_client/src/public/nonsfi/elf_loader.h"
 
 namespace nacl {
 
-void MojoLaunchNexeNonsfi(int nexe_fd, MojoHandle initial_handle) {
+void MojoLaunchNexeNonsfi(int nexe_fd, MojoHandle initial_handle,
+                          bool enable_translate_irt) {
   // Run -- also, closes the nexe_fd, removing the temp file.
   uintptr_t entry = NaClLoadElfFile(nexe_fd);
 
+  // Enable the translation section of the IRT, if requested.
+  if (enable_translate_irt) {
+    MojoPnaclTranslatorEnable();
+  }
   MojoSetInitialHandle(initial_handle);
   int argc = 1;
   char* argvp = const_cast<char*>("NaClMain");
   char* envp = nullptr;
   nacl_irt_nonsfi_entry(argc, &argvp, &envp,
                         reinterpret_cast<nacl_entry_func_t>(entry),
                         MojoIrtNonsfiQuery);
   abort();
   NOTREACHED();
 }
 
 } // namespace nacl