Convert //chrome/browser/chromeos from scoped_ptr to std::unique_ptr

chrome/browser/chromeos/policy/user_policy_test_helper.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 "chrome/browser/chromeos/policy/user_policy_test_helper.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 19 matching lines @@
 #include "url/gurl.h"
 
 namespace policy {
 
 namespace {
 
 std::string BuildPolicy(const base::DictionaryValue& mandatory,
                         const base::DictionaryValue& recommended,
                         const std::string& policyType,
                         const std::string& account_id) {
-  scoped_ptr<base::DictionaryValue> policy_type_dict(new base::DictionaryValue);
+  std::unique_ptr<base::DictionaryValue> policy_type_dict(
+      new base::DictionaryValue);
   policy_type_dict->SetWithoutPathExpansion("mandatory",
                                             mandatory.CreateDeepCopy());
   policy_type_dict->SetWithoutPathExpansion("recommended",
                                             recommended.CreateDeepCopy());
 
-  scoped_ptr<base::ListValue> managed_users_list(new base::ListValue);
+  std::unique_ptr<base::ListValue> managed_users_list(new base::ListValue);
   managed_users_list->AppendString("*");
 
   base::DictionaryValue root_dict;
   root_dict.SetWithoutPathExpansion(policyType, std::move(policy_type_dict));
   root_dict.SetWithoutPathExpansion("managed_users",
                                     std::move(managed_users_list));
   root_dict.SetStringWithoutPathExpansion("policy_user", account_id);
   root_dict.SetIntegerWithoutPathExpansion("current_key_index", 0);
 
   std::string json_policy;
@@ skipping 83 matching lines @@
   const int bytes_written =
       base::WriteFile(PolicyFilePath(), policy.data(), policy.size());
   ASSERT_EQ(static_cast<int>(policy.size()), bytes_written);
 }
 
 base::FilePath UserPolicyTestHelper::PolicyFilePath() const {
   return temp_dir_.path().AppendASCII("policy.json");
 }
 
 }  // namespace policy