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

webrtc/modules/desktop_capture/BUILD.gn

Index: webrtc/modules/desktop_capture/BUILD.gn
diff --git a/webrtc/modules/desktop_capture/BUILD.gn b/webrtc/modules/desktop_capture/BUILD.gn
index b234232c6798e91010490ac92dfe8b56d8c68320..67ec8cea3751b7742fcbaa71d282041c51c109eb 100644
--- a/webrtc/modules/desktop_capture/BUILD.gn
+++ b/webrtc/modules/desktop_capture/BUILD.gn
@@ -33,27 +33,6 @@
 }
 
 if (rtc_include_tests) {
-  rtc_source_set("desktop_capture_modules_tests") {
-    testonly = true
-    sources = []
-    deps = []
-    if (rtc_desktop_capture_supported) {
-      deps += [
-        ":desktop_capture_mock",
-        ":primitives",
-        ":screen_drawer",
-        "../../base:rtc_base",
-        "../../base:rtc_base_approved",
-        "../../system_wrappers:system_wrappers",
-        "../../test:test_support",
-      ]
-      sources += [
-        "screen_capturer_integration_test.cc",
-        "screen_drawer_unittest.cc",
-      ]
-    }
-  }
-
   rtc_source_set("desktop_capture_unittests") {
     testonly = true
     sources = []