Migrate base::TaskRunner from Closure to OnceClosure

base/test/scoped_task_scheduler.cc

Index: base/test/scoped_task_scheduler.cc
diff --git a/base/test/scoped_task_scheduler.cc b/base/test/scoped_task_scheduler.cc
index cec9f8171b4e2ce8449b213d7c56d25c622b36c1..ea1535029e0d8363543f7b5f8ebf4e8cd7fef54e 100644
--- a/base/test/scoped_task_scheduler.cc
+++ b/base/test/scoped_task_scheduler.cc
@@ -43,7 +43,7 @@ class TestTaskScheduler : public TaskScheduler {
   // TaskScheduler:
   void PostDelayedTaskWithTraits(const tracked_objects::Location& from_here,
                                  const TaskTraits& traits,
-                                 Closure task,
+                                 OnceClosure task,
                                  TimeDelta delay) override;
   scoped_refptr<TaskRunner> CreateTaskRunnerWithTraits(
       const TaskTraits& traits) override;
@@ -111,10 +111,10 @@ class TestTaskSchedulerTaskRunner : public SingleThreadTaskRunner {
 
   // SingleThreadTaskRunner:
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       Closure closure,
+                       OnceClosure closure,
                        TimeDelta delay) override;
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
-                                  Closure closure,
+                                  OnceClosure closure,
                                   TimeDelta delay) override;
   bool RunsTasksOnCurrentThread() const override;
 
@@ -144,7 +144,7 @@ TestTaskScheduler::~TestTaskScheduler() {
 void TestTaskScheduler::PostDelayedTaskWithTraits(
     const tracked_objects::Location& from_here,
     const TaskTraits& traits,
-    Closure task,
+    OnceClosure task,
     TimeDelta delay) {
   CreateTaskRunnerWithTraits(traits)->PostDelayedTask(from_here,
                                                       std::move(task), delay);
@@ -248,7 +248,7 @@ TestTaskSchedulerTaskRunner::TestTaskSchedulerTaskRunner(
 
 bool TestTaskSchedulerTaskRunner::PostDelayedTask(
     const tracked_objects::Location& from_here,
-    Closure closure,
+    OnceClosure closure,
     TimeDelta delay) {
   auto task =
       MakeUnique<internal::Task>(from_here, std::move(closure), traits_, delay);
@@ -261,7 +261,7 @@ bool TestTaskSchedulerTaskRunner::PostDelayedTask(
 
 bool TestTaskSchedulerTaskRunner::PostNonNestableDelayedTask(
     const tracked_objects::Location& from_here,
-    Closure closure,
+    OnceClosure closure,
     TimeDelta delay) {
   // Tasks are never nested within the task scheduler.
   return PostDelayedTask(from_here, std::move(closure), delay);