Refactor MainHook into TestSuite.

crypto/run_all_unittests.cc

 // Copyright (c) 2012 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 "base/test/main_hook.h"
 #include "base/test/test_suite.h"
 #include "crypto/nss_util.h"
 
 int main(int argc, char** argv) {
-  MainHook hook(main, argc, argv);
 
 #if defined(USE_NSS)
   // This is most likely not needed, but it basically replaces a similar call
   // that was performed on test_support_base.
   // TODO(rvargas) Bug 79359: remove this.
   crypto::EnsureNSSInit();
 #endif  // defined(USE_NSS)
 
   return base::TestSuite(argc, argv).Run();
 }