GN target for test_packet_masks_metrics.

webrtc/modules/rtp_rtcp/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.
 
 import("../../build/webrtc.gni")
 
@@ skipping 162 matching lines @@
   # TODO(jschuh): Bug 1348: fix this warning.
   configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
 
   if (is_win) {
     cflags = [
       # TODO(kjellander): Bug 261: fix this warning.
       "/wd4373",  # virtual function override.
     ]
   }
 }
+
+if (rtc_include_tests) {
+  executable("test_packet_masks_metrics") {
+    testonly = true
+
+    sources = [
+      "test/testFec/average_residual_loss_xor_codes.h",
+      "test/testFec/test_packet_masks_metrics.cc",
+    ]
+
+    deps = [
+      ":rtp_rtcp",
+      "//testing/gtest",
+      "//webrtc/test:test_support_main",
+    ]
+  }  # test_packet_masks_metrics
+}