Add missing .h files to .gn files that have a .cc file next to it in the gn file already.

net/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//build/buildflag_header.gni")
 import("//build/config/chromecast_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
@@ skipping 117 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/network_interfaces_posix.h",
     "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 302 matching lines @@
       "base/network_change_notifier_win.h",
       "base/network_config_watcher_mac.cc",
       "base/network_config_watcher_mac.h",
       "base/network_delegate.cc",
       "base/network_delegate.h",
       "base/network_delegate_impl.cc",
       "base/network_delegate_impl.h",
       "base/network_interfaces_linux.cc",
       "base/network_interfaces_mac.cc",
       "base/network_interfaces_win.cc",
+      "base/network_interfaces_win.h",
       "base/network_throttle_manager.h",
       "base/network_throttle_manager_impl.cc",
       "base/network_throttle_manager_impl.h",
       "base/percentile_estimator.cc",
       "base/percentile_estimator.h",
       "base/platform_mime_util.h",
       "base/platform_mime_util_linux.cc",
       "base/platform_mime_util_mac.mm",
       "base/platform_mime_util_win.cc",
       "base/prioritized_dispatcher.cc",
@@ skipping 1090 matching lines @@
       "ssl/client_cert_store_nss.cc",
       "ssl/client_cert_store_nss.h",
       "ssl/client_cert_store_win.cc",
       "ssl/client_cert_store_win.h",
       "ssl/ssl_config_service_defaults.cc",
       "ssl/ssl_config_service_defaults.h",
       "ssl/ssl_key_logger.cc",
       "ssl/ssl_key_logger.h",
       "ssl/ssl_platform_key.h",
       "ssl/ssl_platform_key_android.cc",
+      "ssl/ssl_platform_key_android.h",
       "ssl/ssl_platform_key_mac.cc",
+      "ssl/ssl_platform_key_mac.h",
       "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/nsNSSCertificateDB.cpp",
       "third_party/mozilla_security_manager/nsNSSCertificateDB.h",
@@ skipping 426 matching lines @@
         "//third_party/icu",
       ]
       sources += [
         "base/filename_util_icu.cc",
         "base/net_string_util_icu.cc",
       ]
     }
 
     # Brotli support.
     if (!disable_brotli_filter) {
-      sources += [ "filter/brotli_source_stream.cc" ]
+      sources += [
+        "filter/brotli_source_stream.cc",
+        "filter/brotli_source_stream.h",
+      ]
       deps += [ "//third_party/brotli:dec" ]
     } else {
       sources += [ "filter/brotli_source_stream_disabled.cc" ]
     }
   }
 }
 
 grit("net_resources") {
   source = "base/net_resources.grd"
   outputs = [
@@ skipping 622 matching lines @@
       "//base",
       "//build/config/sanitizers:deps",
       "//build/win:default_exe_manifest",
     ]
   }
 
   executable("gdig") {
     testonly = true
     sources = [
       "tools/gdig/file_net_log.cc",
+      "tools/gdig/file_net_log.h",
       "tools/gdig/gdig.cc",
     ]
     deps = [
       ":net",
       "//base",
       "//build/config/sanitizers:deps",
       "//build/win:default_exe_manifest",
     ]
   }
 
@@ skipping 2998 matching lines @@
   ]
   deps = [
     ":net_fuzzer_test_support",
     ":test_support",
     "//base",
     "//net",
   ]
   dict = "data/fuzzer_dictionaries/net_spdy_session_fuzzer.dict"
   seed_corpus = "data/fuzzer_data/net_spdy_session_fuzzer/"
 }