Clear PostTaskAndReply task on the destination thread (3)

base/task_runner.h

Index: base/task_runner.h
diff --git a/base/task_runner.h b/base/task_runner.h
index 9593835eebbdfa51f43e1d236f387f3ee1ac7940..1fae92df17ad1d957d2c941532d28fe41a1bf401 100644
--- a/base/task_runner.h
+++ b/base/task_runner.h
@@ -123,8 +123,8 @@ class BASE_EXPORT TaskRunner
   //     and the reply will cancel itself safely because it is bound to a
   //     WeakPtr<>.
   bool PostTaskAndReply(const tracked_objects::Location& from_here,
-                        const Closure& task,
-                        const Closure& reply);
+                        Closure task,
+                        Closure reply);
 
  protected:
   friend struct TaskRunnerTraits;