Remove stl_util's deletion functions from net/dns/.

net/dns/mojo_host_resolver_impl.h

 // 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.
 
 #ifndef NET_DNS_MOJO_HOST_RESOLVER_IMPL_H_
 #define NET_DNS_MOJO_HOST_RESOLVER_IMPL_H_
 
+#include <memory>
 #include <set>
 
 #include "base/macros.h"
 #include "base/threading/thread_checker.h"
 #include "net/interfaces/host_resolver_service.mojom.h"
 #include "net/log/net_log_with_source.h"
 
 namespace net {
 
 class HostResolver;
@@ skipping 22 matching lines @@
   void DeleteJob(Job* job);
 
   // Resolver for resolving incoming requests. Not owned.
   net::HostResolver* resolver_;
 
   // The NetLogWithSource to be passed to |resolver_| for all requests.
   const NetLogWithSource net_log_;
 
   // All pending jobs, so they can be cancelled when this service is destroyed.
   // Owns all jobs.
-  std::set<Job*> pending_jobs_;
+  std::set<std::unique_ptr<Job>> pending_jobs_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(MojoHostResolverImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_DNS_MOJO_HOST_RESOLVER_IMPL_H_