Add embedder-specific headers to HTTP CONNECT tunnel request

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 240 matching lines @@
       'base/nss_memio.c',
       'base/nss_memio.h',
       'base/platform_mime_util.h',
       # TODO(tc): gnome-vfs? xdgmime? /etc/mime.types?
       'base/platform_mime_util_linux.cc',
       'base/platform_mime_util_mac.mm',
       'base/platform_mime_util_win.cc',
       'base/prioritized_dispatcher.cc',
       'base/prioritized_dispatcher.h',
       'base/priority_queue.h',
+      'base/proxy_delegate.h',
       'base/request_priority.cc',
       'base/request_priority.h',
       'base/sdch_dictionary_fetcher.cc',
       'base/sdch_dictionary_fetcher.h',
       'base/sdch_manager.cc',
       'base/sdch_manager.h',
       'base/static_cookie_policy.cc',
       'base/static_cookie_policy.h',
       'base/test_data_stream.cc',
       'base/test_data_stream.h',
@@ skipping 1463 matching lines @@
       'tools/quic/test_tools/quic_test_client.h',
       'tools/quic/test_tools/quic_test_utils.cc',
       'tools/quic/test_tools/quic_test_utils.h',
       'tools/quic/test_tools/server_thread.h',
       'tools/quic/test_tools/server_thread.cc',
       'tools/quic/test_tools/simple_client.h',
       'tools/quic/test_tools/simple_client.cc',
     ],
   }
 }