Revert "Support replacement of IP address resolutions via command line flag"

net/dns/mapped_ip_resolver.cc

-// Copyright 2014 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.
-
-#include "net/dns/mapped_ip_resolver.h"
-
-#include "base/strings/string_util.h"
-#include "net/base/net_errors.h"
-#include "net/base/net_util.h"
-
-namespace net {
-
-MappedIPResolver::MappedIPResolver(scoped_ptr<HostResolver> impl)
-    : impl_(impl.Pass()),
-      weak_factory_(this) {
-}
-
-MappedIPResolver::~MappedIPResolver() {}
-
-int MappedIPResolver::Resolve(const RequestInfo& info,
-                              RequestPriority priority,
-                              AddressList* addresses,
-                              const CompletionCallback& callback,
-                              RequestHandle* out_req,
-                              const BoundNetLog& net_log) {
-  CompletionCallback new_callback = base::Bind(&MappedIPResolver::ApplyRules,
-                                               weak_factory_.GetWeakPtr(),
-                                               callback, addresses);
-  int rv = impl_->Resolve(info, priority, addresses, new_callback, out_req,
-                          net_log);
-  if (rv == OK)
-    rules_.RewriteAddresses(addresses);
-  return rv;
-}
-
-int MappedIPResolver::ResolveFromCache(const RequestInfo& info,
-                                       AddressList* addresses,
-                                       const BoundNetLog& net_log) {
-  int rv = impl_->ResolveFromCache(info, addresses, net_log);
-  if (rv == OK)
-    rules_.RewriteAddresses(addresses);
-  return rv;
-}
-
-void MappedIPResolver::CancelRequest(RequestHandle req) {
-  impl_->CancelRequest(req);
-}
-
-void MappedIPResolver::SetDnsClientEnabled(bool enabled) {
-  impl_->SetDnsClientEnabled(enabled);
-}
-
-HostCache* MappedIPResolver::GetHostCache() {
-  return impl_->GetHostCache();
-}
-
-base::Value* MappedIPResolver::GetDnsConfigAsValue() const {
-  return impl_->GetDnsConfigAsValue();
-}
-
-void MappedIPResolver::ApplyRules(const CompletionCallback& original_callback,
-                                  AddressList* addresses,
-                                  int rv) const {
-  if (rv == OK)
-    rules_.RewriteAddresses(addresses);
-  original_callback.Run(rv);
-}
-
-}  // namespace net