Revert of Use TaskQueue in IncomingVideoStream

webrtc/base/task_queue_unittest.cc

 /*
  *  Copyright 2016 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.
  */
 
@@ skipping 62 matching lines @@
 
 TEST(TaskQueueTest, PostLambda) {
   static const char kQueueName[] = "PostLambda";
   Event event(false, false);
   TaskQueue queue(kQueueName);
 
   queue.PostTask([&event]() { event.Set(); });
   EXPECT_TRUE(event.Wait(1000));
 }
 
-TEST(TaskQueueTest, PostDelayedZero) {
-  static const char kQueueName[] = "PostDelayedZero";
-  Event event(false, false);
-  TaskQueue queue(kQueueName);
-
-  queue.PostDelayedTask([&event]() { event.Set(); }, 0);
-  EXPECT_TRUE(event.Wait(1000));
-}
-
 TEST(TaskQueueTest, PostFromQueue) {
   static const char kQueueName[] = "PostFromQueue";
   Event event(false, false);
   TaskQueue queue(kQueueName);
 
   queue.PostTask(
       [&event, &queue]() { queue.PostTask([&event]() { event.Set(); }); });
   EXPECT_TRUE(event.Wait(1000));
 }
 
@@ skipping 173 matching lines @@
       queue.PostTask(NewClosure([&tasks_executed]() { ++tasks_executed; },
                                 [&tasks_cleaned_up]() { ++tasks_cleaned_up; }));
     event.Set();  // Unblock the first task.
   }
 
   EXPECT_GE(tasks_cleaned_up, tasks_executed);
   EXPECT_EQ(kTaskCount, tasks_cleaned_up);
 }
 
 }  // namespace rtc