Migrate base::TaskRunner from Closure to OnceClosure

content/child/worker_thread_registry.cc

Index: content/child/worker_thread_registry.cc
diff --git a/content/child/worker_thread_registry.cc b/content/child/worker_thread_registry.cc
index 26d7b18b32032fb52eb89c2fcc55fa3f866f7bb0..db35d220f87557fdf30e77182083c08db0420e4d 100644
--- a/content/child/worker_thread_registry.cc
+++ b/content/child/worker_thread_registry.cc
@@ -38,7 +38,7 @@ class DoNothingTaskRunner : public base::TaskRunner {
   ~DoNothingTaskRunner() override {}
 
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       base::Closure task,
+                       base::OnceClosure task,
                        base::TimeDelta delay) override {
     return false;
   }
@@ -56,7 +56,7 @@ int WorkerThread::GetCurrentId() {
   return base::PlatformThread::CurrentId();
 }
 
-void WorkerThread::PostTask(int id, base::Closure task) {
+void WorkerThread::PostTask(int id, base::OnceClosure task) {
   WorkerThreadRegistry::Instance()->PostTask(id, std::move(task));
 }
 
@@ -79,7 +79,7 @@ void WorkerThread::RemoveObserver(Observer* observer) {
 WorkerThreadRegistry::WorkerThreadRegistry()
     : task_runner_for_dead_worker_(new DoNothingTaskRunner()) {}
 
-int WorkerThreadRegistry::PostTaskToAllThreads(base::Closure closure) {
+int WorkerThreadRegistry::PostTaskToAllThreads(base::OnceClosure closure) {
   base::AutoLock locker(task_runner_map_lock_);
   for (const auto& it : task_runner_map_)
     it.second->PostTask(FROM_HERE, std::move(closure));
@@ -125,7 +125,7 @@ base::TaskRunner* WorkerThreadRegistry::GetTaskRunnerFor(int worker_id) {
              : task_runner_for_dead_worker_.get();
 }
 
-bool WorkerThreadRegistry::PostTask(int id, base::Closure closure) {
+bool WorkerThreadRegistry::PostTask(int id, base::OnceClosure closure) {
   DCHECK(id > 0);
   base::AutoLock locker(task_runner_map_lock_);
   IDToTaskRunnerMap::iterator found = task_runner_map_.find(id);