Test using a global, replacable TaskQueueImpl factory.

webrtc/rtc_base/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/config/crypto.gni")
 import("//build/config/ui.gni")
@@ skipping 289 matching lines @@
   ]
 
   if (build_with_chromium) {
     sources = [
       "../../webrtc_overrides/webrtc/rtc_base/task_queue.cc",
       "../../webrtc_overrides/webrtc/rtc_base/task_queue.h",
     ]
   } else {
     sources = [
       "task_queue.h",
+      "task_queue_impl.h",
+      "task_queue_impl_factory.cc",
+      "task_queue_impl_factory.h",
       "task_queue_posix.h",
     ]
     if (rtc_build_libevent) {
       deps = [
         "//base/third_party/libevent",
       ]
     }
 
     if (rtc_enable_libevent) {
       sources += [
@@ skipping 711 matching lines @@
 if (is_android) {
   android_library("base_java") {
     java_files = [
       "java/src/org/webrtc/ContextUtils.java",
       "java/src/org/webrtc/Logging.java",
       "java/src/org/webrtc/Size.java",
       "java/src/org/webrtc/ThreadUtils.java",
     ]
   }
 }