Implement browser-side host resolver Mojo service.

net/dns/mojo_type_converters.h

Index: net/dns/mojo_type_converters.h
diff --git a/net/dns/mojo_type_converters.h b/net/dns/mojo_type_converters.h
new file mode 100644
index 0000000000000000000000000000000000000000..0c99b8c59b10e5671045c0366273066c2e2114c9
--- /dev/null
+++ b/net/dns/mojo_type_converters.h
@@ -0,0 +1,32 @@
+// 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_TYPE_CONVERTERS_H_
+#define NET_DNS_MOJO_TYPE_CONVERTERS_H_
+
+#include "net/dns/host_resolver.h"
+#include "net/interfaces/host_resolver_service.mojom.h"
+
+namespace mojo {
+
+template <>
+struct TypeConverter<net::HostResolver::RequestInfo,
+                     net::interfaces::HostResolverRequestInfo> {
+  static net::HostResolver::RequestInfo Convert(
+      const net::interfaces::HostResolverRequestInfo& obj);
+};
+
+template <>
+struct TypeConverter<net::interfaces::AddressListPtr, net::AddressList> {
+  static net::interfaces::AddressListPtr Convert(const net::AddressList& obj);
+};
+
+template <>
+struct TypeConverter<net::AddressList, net::interfaces::AddressList> {
+  static net::AddressList Convert(const net::interfaces::AddressList& obj);
+};
+
+}  // namespace mojo
+
+#endif  // NET_DNS_MOJO_TYPE_CONVERTERS_H_