Make PendingTask move-only and pass it by value on retaining params

base/message_loop/incoming_task_queue.cc

Index: base/message_loop/incoming_task_queue.cc
diff --git a/base/message_loop/incoming_task_queue.cc b/base/message_loop/incoming_task_queue.cc
index ebecc1ba54ce35df2cfef606eca13c8ed4062569..0034f473485745c6166ab7776919de7c0703da79 100644
--- a/base/message_loop/incoming_task_queue.cc
+++ b/base/message_loop/incoming_task_queue.cc
@@ -97,7 +97,7 @@ int IncomingTaskQueue::ReloadWorkQueue(TaskQueue* work_queue) {
     // incoming queue becomes nonempty we need to schedule it again.
     message_loop_scheduled_ = false;
   } else {
-    incoming_queue_.Swap(work_queue);
+    incoming_queue_.swap(*work_queue);
   }
   // Reset the count of high resolution tasks since our queue is now empty.
   int high_res_tasks = high_res_task_count_;
@@ -155,8 +155,7 @@ bool IncomingTaskQueue::PostPendingTask(PendingTask* pending_task) {
                                                 *pending_task);
 
   bool was_empty = incoming_queue_.empty();
-  incoming_queue_.push(*pending_task);
-  pending_task->task.Reset();
+  incoming_queue_.push(std::move(*pending_task));
 
   if (is_ready_for_scheduling_ &&
       (always_schedule_work_ || (!message_loop_scheduled_ && was_empty))) {