Re-enabling 'gn check' on //examples/*.

Bug: webrtc:8850
Change-Id: I7397bc17e0f790a31d417d1bf5db6c5f9e32088d
No-Presubmit: true
Reviewed-on: https://webrtc-review.googlesource.com/54314
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Patrik Höglund <phoglund@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#22085}

.gn

@@ -28,9 +28,7 @@ check_targets = [
   "//call/*",
   "//common_audio/*",
   "//common_video/*",
-
+  "//examples/*",
-  # TODO(bugs.webrtc.org/8850): re-enable when 'gn check' will be fixed.
-  # "//examples/*",
   "//logging/*",
   "//media/*",
   "//modules/*",

examples/BUILD.gn

@@ -178,6 +178,10 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
     public_configs = [ ":apprtc_common_config" ]
 
     if (is_ios) {
+      # iOS must use WebRTC.framework which is dynamically linked.
+      # 'gn check' is disabled in order to avoid confusion and
+      # errors caused by multiple implementations.
+      check_includes = false
       deps = [
         "../sdk:framework_objc",
         "../system_wrappers:field_trial_default",
@@ -254,18 +258,32 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
       ":socketrocket",
     ]
     if (is_ios) {
+      # iOS must use WebRTC.framework which is dynamically linked.
+      # 'gn check' is disabled in order to avoid confusion and
+      # errors caused by multiple implementations.
+      check_includes = false
       deps += [
         ":AppRTCMobile_ios_frameworks",
         "../sdk:framework_objc",
       ]
     } else {
-      deps += [ "../sdk:peerconnectionfactory_base_objc" ]
+      deps += [
+        "../sdk:common_objc",
+        "../sdk:mediaconstraints_objc",
+        "../sdk:peerconnectionfactory_base_objc",
+        "../sdk:videocapture_objc",
+        "../sdk:videocodec_objc",
+      ]
     }
     libs = [ "QuartzCore.framework" ]
   }
 
   if (is_ios) {
     rtc_static_library("AppRTCMobile_lib") {
+      # iOS must use WebRTC.framework which is dynamically linked.
+      # 'gn check' is disabled in order to avoid confusion and
+      # errors caused by multiple implementations.
+      check_includes = false
       testonly = true
       sources = [
         "objc/AppRTCMobile/ios/ARDAppDelegate.h",
@@ -378,7 +396,10 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
         ":apprtc_signaling",
         "../sdk:default_codec_factory_objc",
         "../sdk:metal_objc",
+        "../sdk:peerconnectionfactory_base_objc",
         "../sdk:ui_objc",
+        "../sdk:videocapture_objc",
+        "../sdk:videocodec_objc",
         "../sdk:videocodec_objc",
         "../sdk:videotoolbox_objc",
       ]
@@ -444,6 +465,10 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
     # TODO(kthelgason): compile xctests on mac when chromium supports it.
     if (is_ios) {
       rtc_source_set("apprtcmobile_test_sources") {
+        # iOS must use WebRTC.framework which is dynamically linked.
+        # 'gn check' is disabled in order to avoid confusion and
+        # errors caused by multiple implementations.
+        check_includes = false
         testonly = true
         include_dirs = [
           "objc/AppRTCMobile",
@@ -458,6 +483,7 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
         deps = [
           ":AppRTCMobile_ios_frameworks",
           ":AppRTCMobile_lib",
+          ":apprtc_signaling",
           "../rtc_base:rtc_base",
           "../sdk:framework_objc",
           "//build/config/ios:xctest",
@@ -471,6 +497,7 @@ if (is_ios || (is_mac && target_cpu != "x86")) {
           "objc/AppRTCMobile/ios/main.m",
         ]
         deps = [
+          ":AppRTCMobile_lib",
           ":apprtcmobile_test_sources",
           "../sdk:framework_objc",
         ]