GN: Add modules_unittests

webrtc/build/webrtc.gni

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("//build/config/arm.gni")
 import("//build/config/features.gni")
@@ skipping 24 matching lines @@
 
   # Enables the use of protocol buffers for debug recordings.
   rtc_enable_protobuf = true
 
   # Disable these to not build components which can be externally provided.
   rtc_build_expat = true
   rtc_build_json = true
   rtc_build_libjpeg = true
   rtc_build_libsrtp = true
   rtc_build_libvpx = true
+  rtc_libvpx_build_vp9 = true
   rtc_build_libyuv = true
   rtc_build_openmax_dl = true
   rtc_build_opus = true
   rtc_build_ssl = true
   rtc_build_usrsctp = true
 
   # Disable by default.
   rtc_have_dbus_glib = false
 
   # Enable to use the Mozilla internal settings.
@@ skipping 11 matching lines @@
 
   # Enable libevent task queues on platforms that support it.
   if (is_win || is_mac || is_ios || is_nacl) {
     rtc_enable_libevent = false
     rtc_build_libevent = false
   } else {
     rtc_enable_libevent = true
     rtc_build_libevent = true
   }
 
-  if (is_ios) {
-    rtc_enable_protobuf = false
-  }
-
   if (current_cpu == "arm" || current_cpu == "arm64") {
     rtc_prefer_fixed_point = true
   }
 
   if (!is_ios && (current_cpu != "arm" || arm_version >= 7) &&
       current_cpu != "mips64el") {
     rtc_use_openmax_dl = true
   } else {
     rtc_use_openmax_dl = false
   }
@@ skipping 37 matching lines @@
 declare_args() {
   # Include the iLBC audio codec?
   rtc_include_ilbc = !(build_with_chromium || build_with_mozilla)
 }
 
 # Make it possible to provide custom locations for some libraries (move these
 # up into declare_args should we need to actually use them for the GN build).
 rtc_libvpx_dir = "//third_party/libvpx"
 rtc_libyuv_dir = "//third_party/libyuv"
 rtc_opus_dir = "//third_party/opus"