Remove unused methods from URLRequest.

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 589 matching lines @@
       'ftp/ftp_util.cc',
       'ftp/ftp_util.h',
       'http/des.cc',
       'http/des.h',
       'http/disk_based_cert_cache.cc',
       'http/disk_based_cert_cache.h',
       'http/disk_cache_based_quic_server_info.cc',
       'http/disk_cache_based_quic_server_info.h',
       'http/failing_http_transaction_factory.cc',
       'http/failing_http_transaction_factory.h',
-      'http/http_atom_list.h',
       'http/http_auth.cc',
       'http/http_auth.h',
       'http/http_auth_cache.cc',
       'http/http_auth_cache.h',
       'http/http_auth_controller.cc',
       'http/http_auth_controller.h',
       'http/http_auth_filter.cc',
       'http/http_auth_filter.h',
       'http/http_auth_filter_win.h',
       'http/http_auth_gssapi_posix.cc',
@@ skipping 1150 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',
     ],
   }
 }