Reland "Cut down /crypto and switch what is left of it to boringssl".

crypto/scoped_test_nss_chromeos_user.h

-// Copyright 2014 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.
-
-#ifndef CRYPTO_SCOPED_TEST_NSS_CHROMEOS_USER_H_
-#define CRYPTO_SCOPED_TEST_NSS_CHROMEOS_USER_H_
-
-#include <string>
-
-#include "base/files/scoped_temp_dir.h"
-#include "base/macros.h"
-#include "crypto/crypto_export.h"
-
-namespace crypto {
-
-// Opens a persistent NSS software database in a temporary directory for the
-// user with |username_hash|. This database will be used for both the user's
-// public and private slot.
-class CRYPTO_EXPORT_PRIVATE ScopedTestNSSChromeOSUser {
- public:
-  // Opens the software database and sets the public slot for the user. The
-  // private slot will not be initialized until FinishInit() is called.
-  explicit ScopedTestNSSChromeOSUser(const std::string& username_hash);
-  ~ScopedTestNSSChromeOSUser();
-
-  std::string username_hash() const { return username_hash_; }
-  bool constructed_successfully() const { return constructed_successfully_; }
-
-  // Completes initialization of user. Causes any waiting private slot callbacks
-  // to run, see GetPrivateSlotForChromeOSUser().
-  void FinishInit();
-
- private:
-  const std::string username_hash_;
-  base::ScopedTempDir temp_dir_;
-  bool constructed_successfully_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedTestNSSChromeOSUser);
-};
-
-}  // namespace crypto
-
-#endif  // CRYPTO_SCOPED_TEST_NSS_CHROMEOS_USER_H_