Remove support for the keygen tag

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 28 matching lines @@
       'base/net_errors.cc',
       'base/net_errors.h',
       'base/net_errors_posix.cc',
       'base/net_export.h',
       'base/net_module.cc',
       'base/net_module.h',
       'base/net_string_util.h',
       'base/network_interfaces.cc',
       'base/network_interfaces.h',
       'base/network_interfaces_posix.cc',
-      'base/openssl_private_key_store.h',
-      'base/openssl_private_key_store_android.cc',
-      'base/openssl_private_key_store_memory.cc',
       'base/parse_number.cc',
       'base/parse_number.h',
       'base/port_util.cc',
       'base/port_util.h',
       'base/rand_callback.h',
       'base/registry_controlled_domains/registry_controlled_domain.cc',
       'base/registry_controlled_domains/registry_controlled_domain.h',
       'base/sockaddr_storage.cc',
       'base/sockaddr_storage.h',
       'base/sys_addrinfo.h',
@@ skipping 247 matching lines @@
       'base/filename_util.h',
       'base/filename_util_internal.cc',
       'base/filename_util_internal.h',
       'base/host_mapping_rules.cc',
       'base/host_mapping_rules.h',
       'base/int128.cc',
       'base/int128.h',
       'base/iovec.h',
       'base/ip_pattern.cc',
       'base/ip_pattern.h',
-      'base/keygen_handler.cc',
-      'base/keygen_handler.h',
-      'base/keygen_handler_mac.cc',
-      'base/keygen_handler_nss.cc',
-      'base/keygen_handler_openssl.cc',
-      'base/keygen_handler_win.cc',
       # TODO(tc): gnome-vfs? xdgmime? /etc/mime.types?
       'base/layered_network_delegate.cc',
       'base/layered_network_delegate.h',
       'base/linked_hash_map.h',
       'base/load_flags.h',
       'base/load_flags_list.h',
       'base/load_states.h',
       'base/load_states_list.h',
       'base/logging_network_change_observer.cc',
       'base/logging_network_change_observer.h',
@@ skipping 1088 matching lines @@
       'ssl/ssl_platform_key_android.cc',
       'ssl/ssl_platform_key_mac.cc',
       'ssl/ssl_platform_key_nss.cc',
       'ssl/ssl_platform_key_util.cc',
       'ssl/ssl_platform_key_util.h',
       'ssl/ssl_platform_key_win.cc',
       'ssl/test_ssl_private_key.cc',
       'ssl/test_ssl_private_key.h',
       'ssl/threaded_ssl_private_key.cc',
       'ssl/threaded_ssl_private_key.h',
-      'third_party/mozilla_security_manager/nsKeygenHandler.cpp',
-      'third_party/mozilla_security_manager/nsKeygenHandler.h',
       'third_party/mozilla_security_manager/nsNSSCertificateDB.cpp',
       'third_party/mozilla_security_manager/nsNSSCertificateDB.h',
       'third_party/mozilla_security_manager/nsPKCS12Blob.cpp',
       'third_party/mozilla_security_manager/nsPKCS12Blob.h',
       'url_request/data_protocol_handler.cc',
       'url_request/data_protocol_handler.h',
       'url_request/http_user_agent_settings.h',
       'url_request/redirect_info.cc',
       'url_request/redirect_info.h',
       'url_request/report_sender.cc',
@@ skipping 108 matching lines @@
       'base/escape_unittest.cc',
       'base/expiring_cache_unittest.cc',
       'base/file_stream_unittest.cc',
       'base/filename_util_unittest.cc',
       'base/host_mapping_rules_unittest.cc',
       'base/host_port_pair_unittest.cc',
       'base/int128_unittest.cc',
       'base/ip_address_unittest.cc',
       'base/ip_endpoint_unittest.cc',
       'base/ip_pattern_unittest.cc',
-      'base/keygen_handler_unittest.cc',
       'base/layered_network_delegate_unittest.cc',
       'base/lookup_string_in_fixed_set_unittest.cc',
       'base/mime_sniffer_unittest.cc',
       'base/mime_util_unittest.cc',
       'base/network_activity_monitor_unittest.cc',
       'base/network_change_notifier_unittest.cc',
       'base/network_change_notifier_win_unittest.cc',
       'base/network_interfaces_unittest.cc',
       'base/network_throttle_manager_impl_unittest.cc',
       'base/parse_number_unittest.cc',
@@ skipping 1993 matching lines @@
       'tools/domain_security_preload_generator/preloaded_state_generator.h',
       'tools/domain_security_preload_generator/spki_hash.cc',
       'tools/domain_security_preload_generator/spki_hash.h',
       'tools/domain_security_preload_generator/trie/trie_bit_buffer.cc',
       'tools/domain_security_preload_generator/trie/trie_bit_buffer.h',
       'tools/domain_security_preload_generator/trie/trie_writer.cc',
       'tools/domain_security_preload_generator/trie/trie_writer.h',
     ],
   }
 }