replace OVERRIDE and FINAL with override and final in base/

base/threading/sequenced_worker_pool_unittest.cc

Index: base/threading/sequenced_worker_pool_unittest.cc
diff --git a/base/threading/sequenced_worker_pool_unittest.cc b/base/threading/sequenced_worker_pool_unittest.cc
index 10cf28ba30d96a63e8a65ab56ad8f2e72125be87..b1fe2764442c9159c9614fe3abe102f6a496a67c 100644
--- a/base/threading/sequenced_worker_pool_unittest.cc
+++ b/base/threading/sequenced_worker_pool_unittest.cc
@@ -185,9 +185,9 @@ class SequencedWorkerPoolTest : public testing::Test {
 
   virtual ~SequencedWorkerPoolTest() {}
 
-  virtual void SetUp() OVERRIDE {}
+  virtual void SetUp() override {}
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     pool()->Shutdown();
   }