Adds a flag to support "Virtual Time" to the blink scheduler

components/scheduler/child/worker_scheduler_impl_unittest.cc

Index: components/scheduler/child/worker_scheduler_impl_unittest.cc
diff --git a/components/scheduler/child/worker_scheduler_impl_unittest.cc b/components/scheduler/child/worker_scheduler_impl_unittest.cc
index 47e0c68c8018a08002d49d5d5c7c89d36622ac54..06792d4bbfeb78069e1d993532814758426bdf5f 100644
--- a/components/scheduler/child/worker_scheduler_impl_unittest.cc
+++ b/components/scheduler/child/worker_scheduler_impl_unittest.cc
@@ -9,7 +9,7 @@
 #include "base/test/simple_test_tick_clock.h"
 #include "cc/test/ordered_simple_task_runner.h"
 #include "components/scheduler/base/test_time_source.h"
-#include "components/scheduler/child/scheduler_task_runner_delegate_for_test.h"
+#include "components/scheduler/child/scheduler_tqm_delegate_for_test.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ -53,7 +53,7 @@ void TimelineIdleTestTask(std::vector<std::string>* timeline,
 class WorkerSchedulerImplForTest : public WorkerSchedulerImpl {
  public:
   WorkerSchedulerImplForTest(
-      scoped_refptr<SchedulerTaskRunnerDelegate> main_task_runner,
+      scoped_refptr<SchedulerTqmDelegate> main_task_runner,
       base::SimpleTestTickClock* clock_)
       : WorkerSchedulerImpl(main_task_runner),
         clock_(clock_),
@@ -92,18 +92,13 @@ class WorkerSchedulerImplTest : public testing::Test {
   WorkerSchedulerImplTest()
       : clock_(new base::SimpleTestTickClock()),
         mock_task_runner_(new cc::OrderedSimpleTaskRunner(clock_.get(), true)),
-        main_task_runner_(
-            SchedulerTaskRunnerDelegateForTest::Create(mock_task_runner_)),
+        main_task_runner_(SchedulerTqmDelegateForTest::Create(
+            mock_task_runner_,
+            make_scoped_ptr(new TestTimeSource(clock_.get())))),
         scheduler_(
             new WorkerSchedulerImplForTest(main_task_runner_, clock_.get())),
         timeline_(nullptr) {
     clock_->Advance(base::TimeDelta::FromMicroseconds(5000));
-    scheduler_->GetSchedulerHelperForTesting()->SetTimeSourceForTesting(
-        make_scoped_ptr(new TestTimeSource(clock_.get())));
-    scheduler_->GetSchedulerHelperForTesting()
-        ->GetTaskQueueManagerForTesting()
-        ->SetTimeSourceForTesting(
-            make_scoped_ptr(new TestTimeSource(clock_.get())));
   }
 
   ~WorkerSchedulerImplTest() override {}
@@ -175,7 +170,7 @@ class WorkerSchedulerImplTest : public testing::Test {
   // Only one of mock_task_runner_ or message_loop_ will be set.
   scoped_refptr<cc::OrderedSimpleTaskRunner> mock_task_runner_;
 
-  scoped_refptr<SchedulerTaskRunnerDelegate> main_task_runner_;
+  scoped_refptr<SchedulerTqmDelegate> main_task_runner_;
   scoped_ptr<WorkerSchedulerImplForTest> scheduler_;
   scoped_refptr<base::SingleThreadTaskRunner> default_task_runner_;
   scoped_refptr<SingleThreadIdleTaskRunner> idle_task_runner_;