replace OVERRIDE and FINAL with override and final in base/

base/test/test_simple_task_runner.h

Index: base/test/test_simple_task_runner.h
diff --git a/base/test/test_simple_task_runner.h b/base/test/test_simple_task_runner.h
index af4f4eb16b814d04e73533dd9892b73dd4419153..56a1894a760055f184a3ec494b68586e5444f6fc 100644
--- a/base/test/test_simple_task_runner.h
+++ b/base/test/test_simple_task_runner.h
@@ -49,13 +49,13 @@ class TestSimpleTaskRunner : public SingleThreadTaskRunner {
   // SingleThreadTaskRunner implementation.
   virtual bool PostDelayedTask(const tracked_objects::Location& from_here,
                                const Closure& task,
-                               TimeDelta delay) OVERRIDE;
+                               TimeDelta delay) override;
   virtual bool PostNonNestableDelayedTask(
       const tracked_objects::Location& from_here,
       const Closure& task,
-      TimeDelta delay) OVERRIDE;
+      TimeDelta delay) override;
 
-  virtual bool RunsTasksOnCurrentThread() const OVERRIDE;
+  virtual bool RunsTasksOnCurrentThread() const override;
 
   const std::deque<TestPendingTask>& GetPendingTasks() const;
   bool HasPendingTask() const;