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      1 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "net/base/mapped_host_resolver.h"
      6 
      7 #include "base/string_tokenizer.h"
      8 #include "base/string_util.h"
      9 #include "net/base/host_port_pair.h"
     10 #include "net/base/net_util.h"
     11 
     12 namespace net {
     13 
     14 MappedHostResolver::MappedHostResolver(HostResolver* impl)
     15     : impl_(impl) {
     16 }
     17 
     18 MappedHostResolver::~MappedHostResolver() {
     19 }
     20 
     21 int MappedHostResolver::Resolve(const RequestInfo& info,
     22                                 AddressList* addresses,
     23                                 CompletionCallback* callback,
     24                                 RequestHandle* out_req,
     25                                 const BoundNetLog& net_log) {
     26   // Modify the request before forwarding it to |impl_|.
     27   RequestInfo modified_info = info;
     28   HostPortPair host_port(info.host_port_pair());
     29   if (rules_.RewriteHost(&host_port))
     30     modified_info.set_host_port_pair(host_port);
     31   return impl_->Resolve(modified_info, addresses, callback, out_req, net_log);
     32 }
     33 
     34 void MappedHostResolver::CancelRequest(RequestHandle req) {
     35   impl_->CancelRequest(req);
     36 }
     37 
     38 void MappedHostResolver::AddObserver(Observer* observer) {
     39   impl_->AddObserver(observer);
     40 }
     41 
     42 void MappedHostResolver::RemoveObserver(Observer* observer) {
     43   impl_->RemoveObserver(observer);
     44 }
     45 
     46 HostResolverImpl* MappedHostResolver::GetAsHostResolverImpl() {
     47   return impl_->GetAsHostResolverImpl();
     48 }
     49 
     50 }  // namespace net
     51