Migrate base::TaskRunner from Closure to OnceClosure

base/threading/worker_pool_posix.cc

Index: base/threading/worker_pool_posix.cc
diff --git a/base/threading/worker_pool_posix.cc b/base/threading/worker_pool_posix.cc
index e0efa463f75dcbbaa0ccf20dfc6be5c0ab73f6fe..3ae840a18c2ea18e22746afb406d541d1a5b2243 100644
--- a/base/threading/worker_pool_posix.cc
+++ b/base/threading/worker_pool_posix.cc
@@ -49,7 +49,7 @@ class WorkerPoolImpl {
   ~WorkerPoolImpl() = delete;
 
   void PostTask(const tracked_objects::Location& from_here,
-                base::Closure task,
+                base::OnceClosure task,
                 bool task_is_slow);
 
  private:
@@ -61,7 +61,7 @@ WorkerPoolImpl::WorkerPoolImpl()
                                              kIdleSecondsBeforeExit)) {}
 
 void WorkerPoolImpl::PostTask(const tracked_objects::Location& from_here,
-                              base::Closure task,
+                              base::OnceClosure task,
                               bool task_is_slow) {
   pool_->PostTask(from_here, std::move(task));
 }
@@ -114,7 +114,7 @@ void WorkerThread::ThreadMain() {
 
 // static
 bool WorkerPool::PostTask(const tracked_objects::Location& from_here,
-                          base::Closure task,
+                          base::OnceClosure task,
                           bool task_is_slow) {
   g_lazy_worker_pool.Pointer()->PostTask(from_here, std::move(task),
                                          task_is_slow);
@@ -140,7 +140,7 @@ PosixDynamicThreadPool::~PosixDynamicThreadPool() {
 
 void PosixDynamicThreadPool::PostTask(
     const tracked_objects::Location& from_here,
-    base::Closure task) {
+    base::OnceClosure task) {
   PendingTask pending_task(from_here, std::move(task));
   AddTask(&pending_task);
 }