FOR REFERENCE ONLY Task Scheduler COM Task Runner

base/task_scheduler/task.h

Index: base/task_scheduler/task.h
diff --git a/base/task_scheduler/task.h b/base/task_scheduler/task.h
index c5b9bdb53bdc8b7a51c4a2ed20df403f30fe55d0..fa7f0fd2fae14971f381b2e3f684c1dc4c7d703a 100644
--- a/base/task_scheduler/task.h
+++ b/base/task_scheduler/task.h
@@ -22,6 +22,13 @@ namespace internal {
 // A task is a unit of work inside the task scheduler. Support for tracing and
 // profiling inherited from PendingTask.
 struct BASE_EXPORT Task : public PendingTask {
+  enum class TaskType {
+    // A task provided by an external caller of the task scheduler.
+    NORMAL,
+    // A task created by the task scheduler.
+    INTERNAL,
+  };
+
   // |posted_from| is the site the task was posted from. |task| is the closure
   // to run. |traits_in| is metadata about the task. |delay| is a delay that
   // must expire before the Task runs. If |delay| is non-zero and the shutdown
@@ -30,7 +37,8 @@ struct BASE_EXPORT Task : public PendingTask {
   Task(const tracked_objects::Location& posted_from,
        const Closure& task,
        const TaskTraits& traits,
-       TimeDelta delay);
+       TimeDelta delay,
+       TaskType task_type = TaskType::NORMAL);
   ~Task();
 
   // The TaskTraits of this task.
@@ -45,6 +53,9 @@ struct BASE_EXPORT Task : public PendingTask {
   // in a sequence yet, this defaults to a null TimeTicks.
   TimeTicks sequenced_time;
 
+  // The TaskType for this task.
+  const TaskType task_type;
+
   // A reference to the SequencedTaskRunner or SingleThreadTaskRunner that
   // posted this task, if any. Used to set ThreadTaskRunnerHandle and/or
   // SequencedTaskRunnerHandle while the task is running.