Migrate base::TaskRunner from Closure to OnceClosure

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 1f3b775a231903bbb2fcdb681ce7da9999a51b59..43095f2ae7c2e59fe92f51cfd8ba65e8275cfb68 100644
--- a/base/task_scheduler/task.h
+++ b/base/task_scheduler/task.h
@@ -28,7 +28,7 @@ struct BASE_EXPORT Task : public PendingTask {
   // behavior in |traits| is BLOCK_SHUTDOWN, the shutdown behavior is
   // automatically adjusted to SKIP_ON_SHUTDOWN.
   Task(const tracked_objects::Location& posted_from,
-       Closure task,
+       OnceClosure task,
        const TaskTraits& traits,
        TimeDelta delay);
   ~Task();