replace OVERRIDE and FINAL with override and final in base/

base/sequence_checker_unittest.cc

Index: base/sequence_checker_unittest.cc
diff --git a/base/sequence_checker_unittest.cc b/base/sequence_checker_unittest.cc
index b8186408f60e1178890df42c1528e407a4654763..ad77db0999d2890215568530d329680c031ae850 100644
--- a/base/sequence_checker_unittest.cc
+++ b/base/sequence_checker_unittest.cc
@@ -58,12 +58,12 @@ class SequenceCheckerTest : public testing::Test {
 
   virtual ~SequenceCheckerTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     other_thread_.Start();
     ResetPool();
   }
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     other_thread_.Stop();
     pool()->Shutdown();
   }