Add some remoting targets to GN build.

build/config/features.gni

 # 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 contains UI-related build flags. It should theoretically be in the
 # src/ui directory and only things that depend on the ui module should get the
 # definitions.
 #
 # However, today we have many "bad" dependencies on some of these flags from,
 # e.g. base, so they need to be global.
 #
 # See also build/config/ui.gni
 
 if (is_android) {
   import("//build/config/android/config.gni")
 }
 
 declare_args() {
   # Multicast DNS.
   enable_mdns = is_win || is_linux
 
   enable_plugins = !is_android || !is_ios
 
   # Enables Native Client support.
-  enable_nacl = (!is_ios && !is_android)
+  # TODO(GYP) enable this when nacl works in GN.
+  enable_nacl = false
+  #enable_nacl = (!is_ios && !is_android)
 
   # If debug_devtools is set to true, JavaScript files for DevTools are stored
   # as is and loaded from disk. Otherwise, a concatenated file is stored in
   # resources.pak. It is still possible to load JS files from disk by passing
   # --debug-devtools cmdline switch.
   debug_devtools = false
 
   # Enables WebRTC.
   #enable_webrtc = !is_ios  TODO(GYP) use this condition when WebRTC works in
   #                         the GN build.
@@ skipping 119 matching lines @@
 enable_google_now = !is_ios && !is_android
 
 enable_one_click_signin = is_win || is_mac || (is_linux && !is_chromeos)
 
 # Chrome OS: whether to also build the upcoming version of
 # ChromeVox, which can then be enabled via a command-line switch.
 enable_chromevox_next = false
 
 # Use brlapi from brltty for braille display support.
 use_brlapi = is_chromeos