Remove dependency on SingleThreadedProxyResolver from resolve_proxy_msg_helper_unittest

net/net.gyp

 # Copyright (c) 2009 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.
 
 {
   'variables': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/common.gypi',
@@ skipping 480 matching lines @@
         'http/http_cache_unittest.cc',
         'http/http_chunked_decoder_unittest.cc',
         'http/http_network_layer_unittest.cc',
         'http/http_network_transaction_unittest.cc',
         'http/http_response_headers_unittest.cc',
         'http/http_transaction_unittest.cc',
         'http/http_transaction_unittest.h',
         'http/http_util_unittest.cc',
         'http/http_vary_data_unittest.cc',
         'proxy/init_proxy_resolver_unittest.cc',
+        'proxy/mock_proxy_resolver.h',
         'proxy/proxy_config_service_linux_unittest.cc',
         'proxy/proxy_config_service_win_unittest.cc',
         'proxy/proxy_config_unittest.cc',
         'proxy/proxy_list_unittest.cc',
         'proxy/proxy_resolver_js_bindings_unittest.cc',
         'proxy/proxy_resolver_v8_unittest.cc',
         'proxy/proxy_script_fetcher_unittest.cc',
         'proxy/proxy_server_unittest.cc',
         'proxy/proxy_service_unittest.cc',
         'proxy/single_threaded_proxy_resolver_unittest.cc',
@@ skipping 214 matching lines @@
           'sources': [
             'tools/dump_cache/dump_cache.cc',
             'tools/dump_cache/dump_files.cc',
             'tools/dump_cache/upgrade.cc',
           ],
         },
       ],
     }],
   ],
 }