GN: Add modules_unittests

webrtc/modules/video_coding/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 290 matching lines @@
 
   deps = [
     ":video_coding_utility",
     "../../common_video",
     "../../system_wrappers",
   ]
   if (rtc_build_libvpx) {
     deps += [ rtc_libvpx_dir ]
   }
 }
+
+if (rtc_include_tests) {
+  source_set("video_codecs_test_framework") {
+    testonly = true
+    sources = [
+      "codecs/test/mock/mock_packet_manipulator.h",
+      "codecs/test/packet_manipulator.cc",
+      "codecs/test/packet_manipulator.h",
+      "codecs/test/predictive_packet_manipulator.cc",
+      "codecs/test/predictive_packet_manipulator.h",
+      "codecs/test/stats.cc",
+      "codecs/test/stats.h",
+      "codecs/test/videoprocessor.cc",
+      "codecs/test/videoprocessor.h",
+    ]
+
+    configs += [ "../..:common_config" ]
+    public_configs = [ "../..:common_inherited_config" ]
+
+    if (is_clang) {
+      # Suppress warnings from Chrome's Clang plugins.
+      # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
+      configs -= [ "//build/config/clang:find_bad_constructs" ]
+    }
+
+    deps = [
+      "../../test:test_support",
+    ]
+  }
+}