Migrate base::TaskRunner from Closure to OnceClosure

base/trace_event/memory_dump_manager_unittest.cc

Index: base/trace_event/memory_dump_manager_unittest.cc
diff --git a/base/trace_event/memory_dump_manager_unittest.cc b/base/trace_event/memory_dump_manager_unittest.cc
index e037fd498270b4ecb557e65eda636f6f5b3308cc..773ed0e66c64406693cdc0bd715fd178ab72fa79 100644
--- a/base/trace_event/memory_dump_manager_unittest.cc
+++ b/base/trace_event/memory_dump_manager_unittest.cc
@@ -104,7 +104,7 @@ void OnTraceDataCollected(Closure quit_closure,
 // Posts |task| to |task_runner| and blocks until it is executed.
 void PostTaskAndWait(const tracked_objects::Location& from_here,
                      SequencedTaskRunner* task_runner,
-                     base::Closure task) {
+                     base::OnceClosure task) {
   base::WaitableEvent event(WaitableEvent::ResetPolicy::MANUAL,
                             WaitableEvent::InitialState::NOT_SIGNALED);
   task_runner->PostTask(from_here, std::move(task));
@@ -183,14 +183,14 @@ class TestSequencedTaskRunner : public SequencedTaskRunner {
   unsigned no_of_post_tasks() const { return num_of_post_tasks_; }
 
   bool PostNonNestableDelayedTask(const tracked_objects::Location& from_here,
-                                  Closure task,
+                                  OnceClosure task,
                                   TimeDelta delay) override {
     NOTREACHED();
     return false;
   }
 
   bool PostDelayedTask(const tracked_objects::Location& from_here,
-                       Closure task,
+                       OnceClosure task,
                        TimeDelta delay) override {
     num_of_post_tasks_++;
     if (enabled_) {