Pass Callback by value on PostTaskAndReply family

base/threading/post_task_and_reply_impl.h

Index: base/threading/post_task_and_reply_impl.h
diff --git a/base/threading/post_task_and_reply_impl.h b/base/threading/post_task_and_reply_impl.h
index d0582274b81e4b77b9083caa2d4670502fa8de37..696b668a4c349713cb7c8ead78eb7eb5b7ca7bf8 100644
--- a/base/threading/post_task_and_reply_impl.h
+++ b/base/threading/post_task_and_reply_impl.h
@@ -9,7 +9,7 @@
 #define BASE_THREADING_POST_TASK_AND_REPLY_IMPL_H_
 
 #include "base/base_export.h"
-#include "base/callback_forward.h"
+#include "base/callback.h"
 #include "base/location.h"
 
 namespace base {
@@ -29,8 +29,8 @@ class BASE_EXPORT PostTaskAndReplyImpl {
   // SequencedTaskRunnerHandle::IsSet(). Both |task| and |reply| are guaranteed
   // to be deleted on the sequence or thread that called this.
   bool PostTaskAndReply(const tracked_objects::Location& from_here,
-                        const Closure& task,
-                        const Closure& reply);
+                        Closure task,
+                        Closure reply);
 
  private:
   virtual bool PostTask(const tracked_objects::Location& from_here,