Replace Closure in TaskRunner::PostTask with OneShotCallback

base/task_scheduler/task.cc

Index: base/task_scheduler/task.cc
diff --git a/base/task_scheduler/task.cc b/base/task_scheduler/task.cc
index 8a589a202186dc2b3404c234e104a856ca57d8dd..14aa9f347f4035f5e65b91038279d672c20b6852 100644
--- a/base/task_scheduler/task.cc
+++ b/base/task_scheduler/task.cc
@@ -8,11 +8,11 @@ namespace base {
 namespace internal {
 
 Task::Task(const tracked_objects::Location& posted_from,
-           const Closure& task,
+           OnceClosure task,
            const TaskTraits& traits,
            const TimeDelta& delay)
     : PendingTask(posted_from,
-                  task,
+                  std::move(task),
                   delay.is_zero() ? TimeTicks() : TimeTicks::Now() + delay,
                   false),  // Not nestable.
       traits(traits) {}