Rename mojo_type_converters.* to mojo_{host,proxy}_type_converters.*

net/proxy/mojo_type_converters.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_PROXY_MOJO_TYPE_CONVERTERS_H_
-#define NET_PROXY_MOJO_TYPE_CONVERTERS_H_
-
-#include "net/interfaces/proxy_resolver_service.mojom.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/type_converter.h"
-
-namespace net {
-class ProxyServer;
-}
-
-namespace mojo {
-
-template <>
-struct TypeConverter<net::interfaces::ProxyServerPtr, net::ProxyServer> {
-  static net::interfaces::ProxyServerPtr Convert(const net::ProxyServer& obj);
-};
-
-template <>
-struct TypeConverter<net::ProxyServer, net::interfaces::ProxyServerPtr> {
-  static net::ProxyServer Convert(const net::interfaces::ProxyServerPtr& obj);
-};
-
-}  // namespace mojo
-
-#endif  // NET_PROXY_MOJO_TYPE_CONVERTERS_H_