Make net pass "gn check"

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 1274 matching lines @@
       'url_request/url_request_test_job.h',
       'url_request/url_request_throttler_entry.cc',
       'url_request/url_request_throttler_entry.h',
       'url_request/url_request_throttler_entry_interface.h',
       'url_request/url_request_throttler_manager.cc',
       'url_request/url_request_throttler_manager.h',
       'url_request/view_cache_helper.cc',
       'url_request/view_cache_helper.h',
       'url_request/websocket_handshake_userdata_key.cc',
       'url_request/websocket_handshake_userdata_key.h',
+
+      # WebSockets headers are included net/http files. Since net/http can be
+      # built without linking net/websockets code, the uses of the websockets
+      # headers from url_request are carefully written not to introduce link-
+      # time dependencies.
+      #
+      # To make "gn check" validate the header usage properly, these are the
+      # websocket headers needed by the shared net code, which are duplicated
+      # unconditionally here from the conditional websockets list below.
+      'websockets/websocket_handshake_stream_base.h',
+      'websockets/websocket_stream.h',
+      'websockets/websocket_handshake_request_info.h',
+      'websockets/websocket_handshake_response_info.h',
     ],
     'net_extras_sources': [
       'extras/sqlite/cookie_crypto_delegate.h',
       'extras/sqlite/sqlite_channel_id_store.cc',
       'extras/sqlite/sqlite_channel_id_store.h',
       'extras/sqlite/sqlite_persistent_cookie_store.cc',
       'extras/sqlite/sqlite_persistent_cookie_store.h',
     ],
     'net_test_sources': [
       'android/dummy_spnego_authenticator.cc',
@@ skipping 686 matching lines @@
       'docs/bug-triage-labels.md',
       'docs/bug-triage-suggested-workflow.md',
       'docs/code-patterns.md',
       'docs/crash-course-in-net-internals.md',
       'docs/life-of-a-url-request.md',
       'sdch/README.md',
     ],
     'net_docs_output_dir': '<(PRODUCT_DIR)/net/docs',
   }
 }