GN: Add SDK tests to rtc_unittests.

webrtc/BUILD.gn

 # 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.
 
 # TODO(kjellander): Rebase this to webrtc/build/common.gypi changes after r6330.
 
@@ skipping 207 matching lines @@
       "-fno-builtin-sinf",
     ]
   }
 
   if (use_libfuzzer || use_drfuzz) {
     # Used in Chromium's overrides to disable logging
     defines += [ "WEBRTC_UNSAFE_FUZZER_MODE" ]
   }
 }
 
+config("common_objc") {
+  cflags = [ "-Wobjc-missing-property-synthesis" ]
+
+  precompiled_header = "sdk/objc/WebRTC-Prefix.pch"
+  precompiled_source = "sdk/objc/WebRTC-Prefix.pch"
+}
+
 source_set("webrtc") {
   sources = [
     "call.h",
     "config.h",
     "transport.h",
   ]
 
   defines = []
   configs += [ ":common_config" ]
   public_configs = [ ":common_inherited_config" ]
@@ skipping 325 matching lines @@
       "base:rtc_task_queue",
       "p2p:libstunprober",
       "p2p:rtc_p2p",
       "//testing/gmock",
       "//testing/gtest",
     ]
 
     if (is_android) {
       deps += [ "//testing/android/native_test:native_test_support" ]
     }
+
+    if (is_ios || (is_mac && mac_deployment_target == "10.7")) {
+      deps += [
+        "sdk:rtc_sdk_peerconnection_objc",
+        "system_wrappers:system_wrappers_default",
+      ]
+      sources += [
+        "sdk/objc/Framework/UnitTests/RTCConfigurationTest.mm",
+        "sdk/objc/Framework/UnitTests/RTCDataChannelConfigurationTest.mm",
+        "sdk/objc/Framework/UnitTests/RTCIceCandidateTest.mm",
+        "sdk/objc/Framework/UnitTests/RTCIceServerTest.mm",
+        "sdk/objc/Framework/UnitTests/RTCMediaConstraintsTest.mm",
+        "sdk/objc/Framework/UnitTests/RTCSessionDescriptionTest.mm",
+      ]
+
+      # TODO(tkchin): Cleanup this warning.
+      cflags = [ "-Wno-objc-property-no-attribute" ]
+
+      # |-ObjC| flag needed to make sure category method implementations
+      # are included:
+      # https://developer.apple.com/library/mac/qa/qa1490/_index.html
+      ldflags = [ "-ObjC" ]
+    }
   }
 }