Replace Closure in TaskRunner::PostTask with OneShotCallback

chrome/browser/after_startup_task_utils.h

Index: chrome/browser/after_startup_task_utils.h
diff --git a/chrome/browser/after_startup_task_utils.h b/chrome/browser/after_startup_task_utils.h
index 19751300b3abf48445d6dd419d82925bec56e030..a33a50201656655a283df9ae2da2f8a6460f6495 100644
--- a/chrome/browser/after_startup_task_utils.h
+++ b/chrome/browser/after_startup_task_utils.h
@@ -25,7 +25,7 @@ class AfterStartupTaskUtils {
 
     // Overrides from base::TaskRunner:
     bool PostDelayedTask(const tracked_objects::Location& from_here,
-                         const base::Closure& task,
+                         base::OnceClosure task,
                          base::TimeDelta delay) override;
     bool RunsTasksOnCurrentThread() const override;
 
@@ -46,7 +46,7 @@ class AfterStartupTaskUtils {
   static void PostTask(
       const tracked_objects::Location& from_here,
       const scoped_refptr<base::TaskRunner>& destination_runner,
-      const base::Closure& task);
+      base::OnceClosure task);
 
   // Returns true if browser startup is complete. Only use this on a one-off
   // basis; If you need to poll this function constantly, use the above