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

components/scheduler/child/scheduler_tqm_delegate.h

Index: components/scheduler/child/scheduler_tqm_delegate.h
diff --git a/components/scheduler/child/scheduler_task_runner_delegate.h b/components/scheduler/child/scheduler_tqm_delegate.h
similarity index 61%
rename from components/scheduler/child/scheduler_task_runner_delegate.h
rename to components/scheduler/child/scheduler_tqm_delegate.h
index dd0fc146deb0b228edec910c084dd0b4af40d3ed..bb2944505715a674e18f829ce800c3db1d8bb3db 100644
--- a/components/scheduler/child/scheduler_task_runner_delegate.h
+++ b/components/scheduler/child/scheduler_tqm_delegate.h
@@ -2,19 +2,19 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TASK_RUNNER_DELEGATE_H_
-#define COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TASK_RUNNER_DELEGATE_H_
+#ifndef COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TQM_DELEGATE_H_
+#define COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TQM_DELEGATE_H_
 
+#include "base/macros.h"
 #include "base/message_loop/message_loop.h"
-#include "components/scheduler/base/nestable_single_thread_task_runner.h"
+#include "components/scheduler/base/task_queue_manager_delegate.h"
 #include "components/scheduler/scheduler_export.h"
 
 namespace scheduler {
 
-class SCHEDULER_EXPORT SchedulerTaskRunnerDelegate
-    : public NestableSingleThreadTaskRunner {
+class SCHEDULER_EXPORT SchedulerTqmDelegate : public TaskQueueManagerDelegate {
  public:
-  SchedulerTaskRunnerDelegate() {}
+  SchedulerTqmDelegate() {}
 
   // If the underlying task runner supports the concept of a default task
   // runner, the delegate should implement this function to redirect that task
@@ -27,11 +27,11 @@ class SCHEDULER_EXPORT SchedulerTaskRunnerDelegate
   virtual void RestoreDefaultTaskRunner() = 0;
 
  protected:
-  ~SchedulerTaskRunnerDelegate() override {}
+  ~SchedulerTqmDelegate() override {}
 
-  DISALLOW_COPY_AND_ASSIGN(SchedulerTaskRunnerDelegate);
+  DISALLOW_COPY_AND_ASSIGN(SchedulerTqmDelegate);
 };
 
 }  // namespace scheduler
 
-#endif  // COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TASK_RUNNER_DELEGATE_H_
+#endif  // COMPONENTS_SCHEDULER_CHILD_SCHEDULER_TQM_DELEGATE_H_