Reland of GN: Refactor modules_unittests to eliminate package boundary violations.

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("../../webrtc.gni")
 
@@ skipping 318 matching lines @@
     deps = [
       ":video_coding",
       ":video_coding_utility",
       "../..:webrtc_common",
       "../../base:rtc_base_approved",
       "../../common_video:common_video",
       "../../system_wrappers:system_wrappers",
       "../../test:test_support",
     ]
   }
+
+  rtc_source_set("video_coding_modules_tests") {
+    testonly = true
+    sources = [
+      "codecs/test/videoprocessor_integrationtest.cc",
+      "codecs/vp8/test/vp8_impl_unittest.cc",
+    ]
+    deps = [
+      ":video_codecs_test_framework",
+      ":video_coding",
+      ":webrtc_h264",
+      ":webrtc_vp8",
+      ":webrtc_vp9",
+      "../..:webrtc_common",
+      "../../api:video_frame_api",
+      "../../base:rtc_base_approved",
+      "../../common_video:common_video",
+      "../../media:rtc_media_base",
+      "../../test:test_support",
+      "../../test:video_test_common",
+    ]
+    if (rtc_use_h264) {
+      defines = [ "WEBRTC_VIDEOPROCESSOR_H264_TESTS" ]
+    }
+    if (!build_with_chromium && is_clang) {
+      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+    }
+  }
+
   rtc_source_set("video_coding_unittests") {
     testonly = true
     sources = [
       "codecs/test/packet_manipulator_unittest.cc",
       "codecs/test/stats_unittest.cc",
       "codecs/test/videoprocessor_unittest.cc",
       "codecs/vp8/default_temporal_layers_unittest.cc",
       "codecs/vp8/reference_picture_selection_unittest.cc",
       "codecs/vp8/screenshare_layers_unittest.cc",
       "codecs/vp8/simulcast_encoder_adapter_unittest.cc",
@@ skipping 66 matching lines @@
     }
 
     # TODO(jschuh): bugs.webrtc.org/1348: fix this warning.
     configs += [ "//build/config/compiler:no_size_t_to_int_warning" ]
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
 }