net: move host_resolver files from net/base to net/dns

net/dns/mapped_host_resolver_unittest.cc

 // Copyright (c) 2012 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/base/mapped_host_resolver.h"
+#include "net/dns/mapped_host_resolver.h"
 
 #include "net/base/address_list.h"
-#include "net/base/mock_host_resolver.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 #include "net/base/net_util.h"
 #include "net/base/test_completion_callback.h"
+#include "net/dns/mock_host_resolver.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace net {
 
 namespace {
 
 std::string FirstAddress(const AddressList& address_list) {
   if (address_list.empty())
     return "";
   return address_list.front().ToString();
@@ skipping 187 matching lines @@
                          BoundNetLog());
   EXPECT_EQ(ERR_IO_PENDING, rv);
   rv = callback2.WaitForResult();
   EXPECT_EQ(OK, rv);
   EXPECT_EQ("192.168.1.5:80", FirstAddress(address_list));
 }
 
 }  // namespace
 
 }  // namespace net