base::Bind: Convert HostResolver::Resolve.

net/base/host_resolver_impl.h

 // Copyright (c) 2011 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_BASE_HOST_RESOLVER_IMPL_H_
 #define NET_BASE_HOST_RESOLVER_IMPL_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 111 matching lines @@
   //                            before we start dropping requests. Dropped
   //                            requests fail with
   //                            ERR_HOST_RESOLVER_QUEUE_TOO_LARGE.
   void SetPoolConstraints(JobPoolIndex pool_index,
                           size_t max_outstanding_jobs,
                           size_t max_pending_requests);
 
   // HostResolver methods:
   virtual int Resolve(const RequestInfo& info,
                       AddressList* addresses,
-                      OldCompletionCallback* callback,
+                      const CompletionCallback& callback,
                       RequestHandle* out_req,
                       const BoundNetLog& source_net_log) OVERRIDE;
   virtual int ResolveFromCache(const RequestInfo& info,
                                AddressList* addresses,
                                const BoundNetLog& source_net_log) OVERRIDE;
   virtual void CancelRequest(RequestHandle req) OVERRIDE;
   virtual void SetDefaultAddressFamily(AddressFamily address_family) OVERRIDE;
   virtual AddressFamily GetDefaultAddressFamily() const OVERRIDE;
   virtual void ProbeIPv6Support() OVERRIDE;
   virtual HostCache* GetHostCache() OVERRIDE;
@@ skipping 201 matching lines @@
   HostResolverFlags additional_resolver_flags_;
 
   NetLog* net_log_;
 
   DISALLOW_COPY_AND_ASSIGN(HostResolverImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_BASE_HOST_RESOLVER_IMPL_H_