Add implementation and tests for RTCIceServer

webrtc/api/BUILD.gn

 # Copyright (c) 2015 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.
 
-{
-  "SRCDIR": "../..",
+import("../build/webrtc.gni")
 
-  "chromium/src/net/base/net_resources.grd": {
-    "includes": [4000],
-  },
+if (is_ios) {
+  source_set("rtc_api_objc") {
+    deps = [
+      "//webrtc/base:rtc_base_objc",
+    ]
+    cflags = [
+      "-fobjc-arc",
+      "-Wobjc-missing-property-synthesis",
+    ]
+    sources = [
+      "objc/RTCIceServer+Private.h",
+      "objc/RTCIceServer.h",
+      "objc/RTCIceServer.mm",
+      "objc/WebRTC-Prefix.pch",
+    ]
+  }
 }