Let prefetched resources skip cache revalidation once for a short duration.

net/net.gypi

 # 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.
 
 # This file is shared between the regular GYP build, the NaCl GYP build, and
 # the GN build. For GN support, it must have no conditionals or anything like
 # that beyond the simple one-level-deep dictionary of values.
 {
   'variables': {
     # Subset of net source files that are compiled for NaCl (net_nacl target).
@@ skipping 1397 matching lines @@
       'http/http_chunked_decoder_unittest.cc',
       'http/http_content_disposition_unittest.cc',
       'http/http_log_util_unittest.cc',
       'http/http_network_layer_unittest.cc',
       'http/http_network_transaction_ssl_unittest.cc',
       'http/http_network_transaction_unittest.cc',
       'http/http_proxy_client_socket_pool_unittest.cc',
       'http/http_request_headers_unittest.cc',
       'http/http_response_body_drainer_unittest.cc',
       'http/http_response_headers_unittest.cc',
+      'http/http_response_info_unittest.cc',
       'http/http_security_headers_unittest.cc',
       'http/http_server_properties_impl_unittest.cc',
       'http/http_server_properties_manager_unittest.cc',
       'http/http_status_code_unittest.cc',
       'http/http_stream_factory_impl_request_unittest.cc',
       'http/http_stream_factory_impl_unittest.cc',
       'http/http_stream_parser_unittest.cc',
       'http/http_util_unittest.cc',
       'http/http_vary_data_unittest.cc',
       'http/mock_allow_url_security_manager.cc',
@@ skipping 337 matching lines @@
     ],
     'net_base_mac_ios_sources': [
       'base/mac/url_conversions.h',
       'base/mac/url_conversions.mm',
     ],
     'net_base_test_mac_ios_sources': [
       'base/mac/url_conversions_unittest.mm',
     ],
   }
 }