[/net] modernize-use-equals-default

This change was partially automated with run-clang-tidy.py and
`git cl format`. And also I manually fixed for Mac,iOS,Win files.

This should cause no functional changes.

Bug: 1334056
Change-Id: Ib9b2e4fb70f47f64666e7b5bbfac2c027b415d20
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3695887
Reviewed-by: Kenichi Ishibashi <bashi@chromium.org>
Commit-Queue: Tsuyoshi Horo <horo@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1014818}

• net/android/dummy_spnego_authenticator.cc[diff]
• net/android/http_auth_negotiate_android.cc[diff]
• net/android/network_change_notifier_android_unittest.cc[diff]
• net/android/network_change_notifier_delegate_android.h[diff]
• net/android/network_change_notifier_factory_android.cc[diff]
• net/base/datagram_buffer.cc[diff]
• net/base/expiring_cache.h[diff]
• net/base/file_stream_context_win.cc[diff]
• net/base/network_change_notifier_factory.h[diff]
• net/base/network_change_notifier_win.cc[diff]
• net/base/network_config_watcher_mac.cc[diff]
• net/base/network_interfaces_getifaddrs_unittest.cc[diff]
• net/base/prioritized_dispatcher.h[diff]
• net/base/prioritized_task_runner.cc[diff]
• net/base/proxy_server.h[diff]
• net/cert/cert_and_ct_verifier_unittest.cc[diff]
• net/cert/cert_database.h[diff]
• net/cert/cert_net_fetcher.h[diff]
• net/cert/cert_verifier.h[diff]
• net/cert/cert_verify_proc.cc[diff]
• net/cert/cert_verify_proc_android.cc[diff]
• net/cert/cert_verify_proc_win.cc[diff]
• net/cert/client_cert_verifier.h[diff]
• net/cert/ct_verifier.h[diff]
• net/cert/internal/path_builder.h[diff]
• net/cert/internal/signature_algorithm.h[diff]
• net/cert/known_roots_mac.cc[diff]
• net/cert/nss_cert_database.h[diff]
• net/cert/test_root_certs_android.cc[diff]
• net/cert/test_root_certs_builtin.cc[diff]
• net/cert/test_root_certs_mac.cc[diff]
• net/cert/x509_util.cc[diff]
• net/cookies/cookie_monster_perftest.cc[diff]
• net/cookies/cookie_store_test_callbacks.h[diff]
• net/disk_cache/blockfile/file.h[diff]
• net/disk_cache/blockfile/file_block.h[diff]
• net/disk_cache/blockfile/file_ios.cc[diff]
• net/disk_cache/blockfile/file_win.cc[diff]
• net/disk_cache/disk_cache.h[diff]
• net/disk_cache/simple/post_doom_waiter.cc[diff]
• net/disk_cache/simple/simple_file_tracker.h[diff]
• net/disk_cache/simple/simple_index_delegate.h[diff]
• net/dns/address_sorter.h[diff]
• net/dns/dns_transaction.h[diff]
• net/dns/dns_transaction_unittest.cc[diff]
• net/dns/host_resolver.h[diff]
• net/dns/mdns_client.h[diff]
• net/dns/mdns_client_impl.h[diff]
• net/dns/mdns_client_unittest.cc[diff]
• net/dns/public/resolve_error_info.cc[diff]
• net/dns/record_rdata.h[diff]
• net/extras/preload_data/decoder.cc[diff]
• net/extras/sqlite/cookie_crypto_delegate.h[diff]
• net/extras/sqlite/sqlite_persistent_reporting_and_nel_store_unittest.cc[diff]
• net/http/bidirectional_stream_unittest.cc[diff]
• net/http/broken_alternative_services.h[diff]
• net/http/http_auth_filter.h[diff]
• net/http/http_auth_gssapi_posix.h[diff]
• net/http/http_auth_handler_factory.h[diff]
• net/http/http_auth_handler_ntlm_win.cc[diff]
• net/http/http_cache.h[diff]
• net/http/http_cache_unittest.cc[diff]
• net/http/http_network_transaction_unittest.cc[diff]
• net/http/http_proxy_connect_job.cc[diff]
• net/http/http_stream.h[diff]
• net/http/http_stream_factory.cc[diff]
• net/http/http_stream_factory_job.h[diff]
• net/http/http_stream_request.h[diff]
• net/http/http_transaction.h[diff]
• net/http/http_transaction_factory.h[diff]
• net/http/proxy_client_socket.h[diff]
• net/http/transport_security_state.h[diff]
• net/http/url_security_manager.h[diff]
• net/http/url_security_manager_win.cc[diff]
• net/log/net_log_with_source.cc[diff]
• net/nqe/effective_connection_type_observer.h[diff]
• net/nqe/network_qualities_prefs_manager.h[diff]
• net/nqe/network_quality_estimator.h[diff]
• net/nqe/network_quality_store.h[diff]
• net/nqe/peer_to_peer_connections_count_observer.h[diff]
• net/nqe/rtt_throughput_estimates_observer.h[diff]
• net/nqe/weighted_observation.h[diff]
• net/ntlm/ntlm_buffer_reader.cc[diff]
• net/proxy_resolution/configured_proxy_resolution_service.h[diff]
• net/proxy_resolution/proxy_config_service.h[diff]
• net/proxy_resolution/proxy_config_service_android.cc[diff]
• net/proxy_resolution/proxy_config_service_android.h[diff]
• net/proxy_resolution/proxy_config_service_android_unittest.cc[diff]
• net/proxy_resolution/proxy_config_service_ios.cc[diff]
• net/proxy_resolution/proxy_config_service_linux.h[diff]
• net/proxy_resolution/proxy_config_service_mac.cc[diff]
• net/proxy_resolution/proxy_resolver.h[diff]
• net/proxy_resolution/proxy_resolver_error_observer.h[diff]
• net/proxy_resolution/proxy_resolver_factory.h[diff]
• net/proxy_resolution/proxy_resolver_mac.cc[diff]
• net/proxy_resolution/win/dhcp_pac_file_adapter_fetcher_win.cc[diff]
• net/proxy_resolution/win/dhcp_pac_file_fetcher_win.cc[diff]
• net/quic/bidirectional_stream_quic_impl_unittest.cc[diff]
• net/quic/crypto/proof_source_chromium.cc[diff]
• net/quic/crypto/proof_verifier_chromium.cc[diff]
• net/quic/crypto/proof_verifier_chromium_test.cc[diff]
• net/quic/mock_crypto_client_stream.cc[diff]
• net/quic/mock_crypto_client_stream_factory.cc[diff]
• net/quic/mock_decrypter.h[diff]
• net/quic/mock_encrypter.h[diff]
• net/quic/mock_quic_data.cc[diff]
• net/quic/properties_based_quic_server_info.cc[diff]
• net/quic/quic_chromium_alarm_factory.cc[diff]
• net/quic/quic_chromium_client_stream_test.cc[diff]
• net/quic/quic_chromium_connection_helper.cc[diff]
• net/quic/quic_chromium_packet_reader.cc[diff]
• net/quic/quic_chromium_packet_reader.h[diff]
• net/quic/quic_chromium_packet_writer.cc[diff]
• net/quic/quic_crypto_client_stream_factory.h[diff]
• net/quic/quic_end_to_end_unittest.cc[diff]
• net/quic/quic_http3_logger.cc[diff]
• net/quic/quic_http_stream_test.cc[diff]
• net/quic/quic_network_transaction_unittest.cc[diff]
• net/quic/quic_proxy_client_socket_unittest.cc[diff]
• net/quic/quic_server_info.cc[diff]
• net/quic/test_task_runner.cc[diff]
• net/reporting/reporting_service.h[diff]
• net/server/http_server.h[diff]
• net/socket/client_socket_factory.cc[diff]
• net/socket/client_socket_factory.h[diff]
• net/socket/client_socket_pool.h[diff]
• net/socket/connect_job.h[diff]
• net/socket/datagram_client_socket.h[diff]
• net/socket/datagram_server_socket.h[diff]
• net/socket/datagram_socket.h[diff]
• net/socket/socket_bio_adapter.h[diff]
• net/socket/socket_performance_watcher.h[diff]
• net/socket/socket_performance_watcher_factory.h[diff]
• net/socket/socket_tag.h[diff]
• net/socket/socket_test_util.cc[diff]
• net/socket/socket_test_util.h[diff]
• net/socket/socks_connect_job_unittest.cc[diff]
• net/socket/ssl_client_socket_unittest.cc[diff]
• net/socket/ssl_server_socket.h[diff]
• net/socket/ssl_socket.h[diff]
• net/socket/stream_socket.h[diff]
• net/socket/tcp_socket_win.cc[diff]
• net/socket/transport_client_socket_pool.cc[diff]
• net/socket/transport_connect_job_unittest.cc[diff]
• net/socket/udp_socket_posix_unittest.cc[diff]
• net/socket/udp_socket_win.cc[diff]
• net/spdy/buffered_spdy_framer.h[diff]
• net/spdy/http2_push_promise_index.h[diff]
• net/spdy/http2_push_promise_index_test.cc[diff]
• net/spdy/multiplexed_session.h[diff]
• net/spdy/server_push_delegate.h[diff]
• net/spdy/spdy_session_unittest.cc[diff]
• net/spdy/spdy_stream.h[diff]
• net/ssl/client_cert_store.h[diff]
• net/ssl/client_cert_store_mac.cc[diff]
• net/ssl/ssl_client_auth_cache.cc[diff]
• net/ssl/ssl_config_service.h[diff]
• net/ssl/ssl_key_logger.h[diff]
• net/ssl/ssl_platform_key_android.cc[diff]
• net/ssl/ssl_platform_key_mac.cc[diff]
• net/ssl/ssl_private_key.h[diff]
• net/ssl/threaded_ssl_private_key.h[diff]
• net/test/embedded_test_server/controllable_http_response.cc[diff]
• net/test/embedded_test_server/default_handlers.cc[diff]
• net/test/embedded_test_server/embedded_test_server_connection_listener.h[diff]
• net/test/embedded_test_server/http_response.h[diff]
• net/tools/quic/crypto_message_printer_bin.cc[diff]
• net/tools/transport_security_state_generator/transport_security_state_entry.cc[diff]
• net/url_request/url_fetcher_factory.h[diff]
• net/url_request/url_fetcher_response_writer.h[diff]
• net/url_request/url_request.h[diff]
• net/url_request/url_request_context_getter_observer.h[diff]
• net/url_request/url_request_job.cc[diff]
• net/url_request/url_request_throttler_entry_interface.h[diff]
• net/url_request/url_request_unittest.cc[diff]
• net/websockets/websocket_basic_stream_adapters.cc[diff]
• net/websockets/websocket_channel_test.cc[diff]
• net/websockets/websocket_deflate_predictor.h[diff]
• net/websockets/websocket_deflate_predictor_impl.h[diff]
• net/websockets/websocket_event_interface.h[diff]
• net/websockets/websocket_handshake_stream_base.h[diff]
• net/websockets/websocket_stream_test.cc[diff]