Add UINavigationController to AppRTCMobile.

webrtc/examples/BUILD.gn

 # Copyright (c) 2016 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/webrtc.gni")
 if (is_android) {
@@ skipping 251 matching lines @@
     bundle_data("AppRTCMobile_ios_bundle_data") {
       sources = [
         "objc/AppRTCMobile/ios/resources/Roboto-Regular.ttf",
         "objc/AppRTCMobile/ios/resources/iPhone5@2x.png",
         "objc/AppRTCMobile/ios/resources/iPhone6@2x.png",
         "objc/AppRTCMobile/ios/resources/iPhone6p@3x.png",
         "objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp.png",
         "objc/AppRTCMobile/ios/resources/ic_call_end_black_24dp@2x.png",
         "objc/AppRTCMobile/ios/resources/ic_clear_black_24dp.png",
         "objc/AppRTCMobile/ios/resources/ic_clear_black_24dp@2x.png",
+        "objc/AppRTCMobile/ios/resources/ic_settings_black_24dp.png",
+        "objc/AppRTCMobile/ios/resources/ic_settings_black_24dp@2x.png",
         "objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp.png",
         "objc/AppRTCMobile/ios/resources/ic_surround_sound_black_24dp@2x.png",
         "objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp.png",
         "objc/AppRTCMobile/ios/resources/ic_switch_video_black_24dp@2x.png",
         "objc/AppRTCMobile/ios/resources/mozart.mp3",
         "objc/Icon.png",
       ]
       outputs = [
         "{{bundle_resources_dir}}/{{source_file_part}}",
       ]
@@ skipping 238 matching lines @@
       "//webrtc/pc:rtc_pc",
       "//webrtc/system_wrappers:field_trial_default",
       "//webrtc/system_wrappers:metrics_default",
     ]
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
 }