Add components/network_session_configurator.

ios/chrome/browser/BUILD.gn

 # Copyright 2015 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/config/features.gni")
 import("//ios/web/js_compile.gni")
 import("//third_party/protobuf/proto_library.gni")
 
 declare_args() {
   google_test_gaia_client_id = ""
@@ skipping 557 matching lines @@
     "//components/keyed_service/ios",
     "//components/language_usage_metrics",
     "//components/leveldb_proto",
     "//components/metrics",
     "//components/metrics:net",
     "//components/metrics:profiler",
     "//components/metrics:profiler_ios",
     "//components/metrics:ui",
     "//components/metrics_services_manager",
     "//components/net_log",
+    "//components/network_session_configurator",
     "//components/network_time",
     "//components/ntp_snippets",
     "//components/omnibox/browser",
     "//components/open_from_clipboard",
     "//components/password_manager/core/browser",
     "//components/password_manager/sync/browser",
     "//components/policy:policy_component_common",
     "//components/pref_registry",
     "//components/prefs",
     "//components/profile_metrics",
@@ skipping 167 matching lines @@
     "//ios/public/provider/chrome/browser",
     "//ios/public/provider/chrome/browser:test_support",
     "//ios/web",
     "//sync",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//url",
   ]
 }