Convert FieldTrialList to Accept a std::unique_ptr

net/http/transport_security_state_unittest.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 "net/http/transport_security_state.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/base64.h"
 #include "base/files/file_path.h"
 #include "base/json/json_reader.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/rand_util.h"
 #include "base/sha1.h"
 #include "base/strings/string_piece.h"
 #include "base/test/histogram_tester.h"
 #include "base/test/mock_entropy_provider.h"
 #include "base/values.h"
 #include "crypto/openssl_util.h"
 #include "crypto/sha2.h"
 #include "net/base/host_port_pair.h"
@@ skipping 2284 matching lines @@
 
   EXPECT_FALSE(state.ShouldRequireCT("www.example.com", before_cert.get(),
                                      unrelated_hashes));
   EXPECT_FALSE(state.ShouldRequireCT("www.example.com", after_cert.get(),
                                      unrelated_hashes));
 
   // And the emergency field trial should disable the requirement, if
   // necessary.
   hashes.clear();
   hashes.push_back(HashValue(symantec_hash_value));
-  base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
+  base::FieldTrialList field_trial_list(
+      base::MakeUnique<base::MockEntropyProvider>());
   base::FieldTrialList::CreateFieldTrial("EnforceCTForProblematicRoots",
                                          "disabled");
 
   EXPECT_FALSE(
       state.ShouldRequireCT("www.example.com", before_cert.get(), hashes));
   EXPECT_FALSE(
       state.ShouldRequireCT("www.example.com", after_cert.get(), hashes));
 }
 
 }  // namespace net