Port parts of //third_pary/libjingle build to GN

components/invalidation/BUILD.gn

 # 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.
 
 static_library("invalidation") {
   sources = [
     "ack_handle.cc",
     "ack_handle.h",
     "ack_handler.cc",
     "ack_handler.h",
@@ skipping 58 matching lines @@
       "sync_invalidation_listener.h",
       "sync_system_resources.cc",
       "sync_system_resources.h",
       "ticl_invalidation_service.cc",
       "ticl_invalidation_service.h",
       "ticl_settings_provider.cc",
       "ticl_settings_provider.h",
     ]
   }
 
-  # TODO(GYP) remove this when libjingle is added.
-  configs += [ "//content:libjingle_stub_config" ]
-
   deps = [
     "//base",
     "//components/gcm_driver",
     "//components/keyed_service/core",
     "//components/pref_registry",
     "//components/signin/core/browser",
     "//google_apis",
     "//jingle:notifier",
     "//sync",
     "//third_party/cacheinvalidation",
@@ skipping 35 matching lines @@
     "//components/keyed_service/core",
     "//google_apis",
     "//jingle:notifier",
     "//jingle:notifier_test_util",
     "//net",
     "//sync",
     "//testing/gmock",
     "//third_party/cacheinvalidation",
   ]
 }