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diff --git a/chrome/common/net/raw_host_resolver_proc.h b/chrome/common/net/raw_host_resolver_proc.h
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+++ b/chrome/common/net/raw_host_resolver_proc.h
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+// Copyright (c) 2010 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 CHROME_COMMON_NET_RAW_HOST_RESOLVER_PROC_H_
+#define CHROME_COMMON_NET_RAW_HOST_RESOLVER_PROC_H_
+#pragma once
+
+// RawHostResolverProc will eventually be a getaddrinfo() replacement.  It
+// will construct and send DNS queries to the DNS server specified via
+// --dns-server flag and will parse the responses and put it into a cache
+// together with the TTL.  Necessary amendments will be made to cache and
+// HostResolverProc interface to accomodate these.
+
+#include <string>
+
+#include "net/base/host_resolver_proc.h"
+#include "net/base/net_util.h"
+
+namespace chrome_common_net {
+
+class RawHostResolverProc : public net::HostResolverProc {
+ public:
+  RawHostResolverProc(const net::IPAddressNumber& dns_server,
+                      net::HostResolverProc* previous);
+
+  virtual int Resolve(const std::string& host,
+                      net::AddressFamily address_family,
+                      net::HostResolverFlags host_resolver_flags,
+                      net::AddressList* addrlist,
+                      int* os_error);
+ private:
+  virtual ~RawHostResolverProc();
+
+  net::IPAddressNumber dns_server_;
+};
+
+}  // namespace chrome_common_net
+
+#endif  // CHROME_COMMON_NET_RAW_HOST_RESOLVER_PROC_H_