Convert NULL to nullptr

util/test/mac/mach_multiprocess.cc

 // Copyright 2014 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
@@ skipping 48 matching lines @@
   }
 
   std::string service_name;
   base::mac::ScopedMachReceiveRight local_port;
   base::mac::ScopedMachSendRight remote_port;
   base::mac::ScopedMachSendRight child_task;  // valid only in parent
 };
 
 }  // namespace internal
 
-MachMultiprocess::MachMultiprocess() : Multiprocess(), info_(NULL) {
+MachMultiprocess::MachMultiprocess() : Multiprocess(), info_(nullptr) {
 }
 
 void MachMultiprocess::Run() {
-  ASSERT_EQ(NULL, info_);
+  ASSERT_EQ(nullptr, info_);
   scoped_ptr<internal::MachMultiprocessInfo> info(
       new internal::MachMultiprocessInfo);
   base::AutoReset<internal::MachMultiprocessInfo*> reset_info(&info_,
                                                               info.get());
 
   return Multiprocess::Run();
 }
 
 MachMultiprocess::~MachMultiprocess() {
 }
@@ skipping 79 matching lines @@
   pid_t audit_pid;
   au_asid_t audit_asid;
   audit_token_to_au32(message.audit_trailer.msgh_audit,
                       &audit_auid,
                       &audit_euid,
                       &audit_egid,
                       &audit_ruid,
                       &audit_rgid,
                       &audit_pid,
                       &audit_asid,
-                      NULL);
+                      nullptr);
 #else
   uid_t audit_auid = audit_token_to_auid(message.audit_trailer.msgh_audit);
   uid_t audit_euid = audit_token_to_euid(message.audit_trailer.msgh_audit);
   gid_t audit_egid = audit_token_to_egid(message.audit_trailer.msgh_audit);
   uid_t audit_ruid = audit_token_to_ruid(message.audit_trailer.msgh_audit);
   gid_t audit_rgid = audit_token_to_rgid(message.audit_trailer.msgh_audit);
   pid_t audit_pid = audit_token_to_pid(message.audit_trailer.msgh_audit);
   au_asid_t audit_asid = audit_token_to_asid(message.audit_trailer.msgh_audit);
 #endif
   EXPECT_EQ(geteuid(), audit_euid);
@@ skipping 86 matching lines @@
   if (testing::Test::HasFailure()) {
     // Trigger the ScopedForbidReturn destructor.
     return;
   }
 
   forbid_return.Disarm();
 }
 
 }  // namespace test
 }  // namespace crashpad