Replace Closure in TaskRunner::PostTask with OneShotCallback

base/task_scheduler/task_tracker.cc

Index: base/task_scheduler/task_tracker.cc
diff --git a/base/task_scheduler/task_tracker.cc b/base/task_scheduler/task_tracker.cc
index ee20b8bfe6a7bf00e6411043c921a4da289c132e..dd664cff02b6676dcd175f4ce82e9ac88e40ddd1 100644
--- a/base/task_scheduler/task_tracker.cc
+++ b/base/task_scheduler/task_tracker.cc
@@ -191,7 +191,7 @@ bool TaskTracker::WillPostTask(const Task* task) {
   return true;
 }
 
-bool TaskTracker::RunTask(const Task* task,
+bool TaskTracker::RunTask(Task* task,
                           const SequenceToken& sequence_token) {
   DCHECK(task);
   DCHECK(sequence_token.IsValid());
@@ -229,7 +229,7 @@ bool TaskTracker::RunTask(const Task* task,
     TRACE_TASK_EXECUTION(kRunFunctionName, *task);
 
     debug::TaskAnnotator task_annotator;
-    task_annotator.RunTask(kQueueFunctionName, *task);
+    task_annotator.RunTask(kQueueFunctionName, task);
   }
 
   AfterRunTask(shutdown_behavior);