Revert of Adds TimeDomains to the TaskQueueManager

components/scheduler/base/task_queue_selector_unittest.cc

Index: components/scheduler/base/task_queue_selector_unittest.cc
diff --git a/components/scheduler/base/task_queue_selector_unittest.cc b/components/scheduler/base/task_queue_selector_unittest.cc
index 382a440d54fd343dd84776d00c41c28e39935a8d..5f78459e5bcffc07d0ab495fcc9220e1d75b0050 100644
--- a/components/scheduler/base/task_queue_selector_unittest.cc
+++ b/components/scheduler/base/task_queue_selector_unittest.cc
@@ -9,7 +9,6 @@
 #include "base/pending_task.h"
 #include "components/scheduler/base/task_queue_impl.h"
 #include "components/scheduler/base/task_queue_sets.h"
-#include "components/scheduler/base/virtual_time_domain.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -75,12 +74,10 @@
 
  protected:
   void SetUp() final {
-    virtual_time_domain_ = make_scoped_refptr<VirtualTimeDomain>(
-        new VirtualTimeDomain(base::TimeTicks()));
     for (size_t i = 0; i < kTaskQueueCount; i++) {
-      scoped_refptr<TaskQueueImpl> task_queue = make_scoped_refptr(
-          new TaskQueueImpl(nullptr, virtual_time_domain_,
-                            TaskQueue::Spec("test queue"), "test", "test"));
+      scoped_refptr<TaskQueueImpl> task_queue =
+          make_scoped_refptr(new TaskQueueImpl(
+              nullptr, TaskQueue::Spec("test queue"), "test", "test"));
       selector_.AddQueue(task_queue.get());
       task_queues_.push_back(task_queue);
     }
@@ -93,7 +90,6 @@
   const size_t kTaskQueueCount = 5;
   base::Closure test_closure_;
   TaskQueueSelector selector_;
-  scoped_refptr<VirtualTimeDomain> virtual_time_domain_;
   std::vector<scoped_refptr<TaskQueueImpl>> task_queues_;
   std::map<TaskQueueImpl*, size_t> queue_to_index_map_;
 };