Add a force pipelining option to load flags.

net/net.gyp

 # Copyright (c) 2012 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,
 
     'linux_link_kerberos%': 0,
     'conditions': [
@@ skipping 422 matching lines @@
         'http/http_network_layer.h',
         'http/http_network_session.cc',
         'http/http_network_session.h',
         'http/http_network_session_peer.cc',
         'http/http_network_session_peer.h',
         'http/http_network_transaction.cc',
         'http/http_network_transaction.h',
         'http/http_pipelined_connection.h',
         'http/http_pipelined_connection_impl.cc',
         'http/http_pipelined_connection_impl.h',
+        'http/http_pipelined_host.cc',
         'http/http_pipelined_host.h',
         'http/http_pipelined_host_capability.h',
+        'http/http_pipelined_host_forced.cc',
+        'http/http_pipelined_host_forced.h',
         'http/http_pipelined_host_impl.cc',
         'http/http_pipelined_host_impl.h',
         'http/http_pipelined_host_pool.cc',
         'http/http_pipelined_host_pool.h',
         'http/http_pipelined_stream.cc',
         'http/http_pipelined_stream.h',
         'http/http_proxy_client_socket.cc',
         'http/http_proxy_client_socket.h',
         'http/http_proxy_client_socket_pool.cc',
         'http/http_proxy_client_socket_pool.h',
@@ skipping 97 matching lines @@
         'proxy/proxy_script_fetcher_impl.cc',
         'proxy/proxy_script_fetcher_impl.h',
         'proxy/proxy_server.cc',
         'proxy/proxy_server.h',
         'proxy/proxy_server_mac.cc',
         'proxy/proxy_service.cc',
         'proxy/proxy_service.h',
         'proxy/sync_host_resolver.h',
         'proxy/sync_host_resolver_bridge.cc',
         'proxy/sync_host_resolver_bridge.h',
+        'socket/buffered_write_stream_socket.cc',
+        'socket/buffered_write_stream_socket.h',
         'socket/client_socket_factory.cc',
         'socket/client_socket_factory.h',
         'socket/client_socket_handle.cc',
         'socket/client_socket_handle.h',
         'socket/client_socket_pool.cc',
         'socket/client_socket_pool.h',
         'socket/client_socket_pool_base.cc',
         'socket/client_socket_pool_base.h',
         'socket/client_socket_pool_histograms.cc',
         'socket/client_socket_pool_histograms.h',
@@ skipping 535 matching lines @@
         'http/http_auth_sspi_win_unittest.cc',
         'http/http_auth_unittest.cc',
         'http/http_byte_range_unittest.cc',
         'http/http_cache_unittest.cc',
         'http/http_chunked_decoder_unittest.cc',
         'http/http_content_disposition_unittest.cc',
         'http/http_mac_signature_unittest.cc',
         'http/http_network_layer_unittest.cc',
         'http/http_network_transaction_unittest.cc',
         'http/http_pipelined_connection_impl_unittest.cc',
+        'http/http_pipelined_host_forced_unittest.cc',
         'http/http_pipelined_host_impl_unittest.cc',
         'http/http_pipelined_host_pool_unittest.cc',
+        'http/http_pipelined_host_test_util.cc',
+        'http/http_pipelined_host_test_util.h',
         'http/http_pipelined_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_server_properties_impl_unittest.cc',
         'http/http_stream_factory_impl_unittest.cc',
         'http/http_stream_parser_unittest.cc',
         'http/http_transaction_unittest.cc',
         'http/http_transaction_unittest.h',
@@ skipping 18 matching lines @@
         '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_decider_unittest.cc',
         'proxy/proxy_script_fetcher_impl_unittest.cc',
         'proxy/proxy_server_unittest.cc',
         'proxy/proxy_service_unittest.cc',
         'proxy/sync_host_resolver_bridge_unittest.cc',
+        'socket/buffered_write_stream_socket_unittest.cc',
         'socket/client_socket_pool_base_unittest.cc',
         'socket/deterministic_socket_data_unittest.cc',
         'socket/mock_client_socket_pool_manager.cc',
         'socket/mock_client_socket_pool_manager.h',
         'socket/socks5_client_socket_unittest.cc',
         'socket/socks_client_socket_pool_unittest.cc',
         'socket/socks_client_socket_unittest.cc',
         'socket/ssl_client_socket_pool_unittest.cc',
         'socket/ssl_client_socket_unittest.cc',
         'socket/ssl_server_socket_unittest.cc',
@@ skipping 566 matching lines @@
             'tools/dump_cache/url_to_filename_encoder.cc',
             'tools/dump_cache/url_to_filename_encoder.h',
             'tools/dump_cache/url_utilities.h',
             'tools/dump_cache/url_utilities.cc',
           ],
         },
       ],
     }],
   ],
 }