Pass Callback to TaskRunner by value and consume it on invocation (1)

third_party/WebKit/Source/platform/scheduler/child/scheduler_tqm_delegate_for_test.h

Index: third_party/WebKit/Source/platform/scheduler/child/scheduler_tqm_delegate_for_test.h
diff --git a/third_party/WebKit/Source/platform/scheduler/child/scheduler_tqm_delegate_for_test.h b/third_party/WebKit/Source/platform/scheduler/child/scheduler_tqm_delegate_for_test.h
index 6b388cb492cabc5a9006d86c1dadacf7ae51223b..445d7aaf7ea470a775fac8f026b37f93d76a442e 100644
--- a/third_party/WebKit/Source/platform/scheduler/child/scheduler_tqm_delegate_for_test.h
+++ b/third_party/WebKit/Source/platform/scheduler/child/scheduler_tqm_delegate_for_test.h
@@ -7,6 +7,7 @@
 
 #include <memory>
 
+#include "base/callback.h"
 #include "base/macros.h"
 #include "base/test/simple_test_tick_clock.h"
 #include "platform/scheduler/child/scheduler_tqm_delegate.h"
@@ -27,10 +28,10 @@ class SchedulerTqmDelegateForTest : public SchedulerTqmDelegate {
       scoped_refptr<base::SingleThreadTaskRunner> task_runner) override;
   void RestoreDefaultTaskRunner() override;
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       const base::Closure& task,
+                       base::Closure task,
                        base::TimeDelta delay) override;
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
-                                  const base::Closure& task,
+                                  base::Closure task,
                                   base::TimeDelta delay) override;
   bool RunsTasksOnCurrentThread() const override;
   bool IsNested() const override;