replace OVERRIDE and FINAL with override and final in base/

base/files/file_path_unittest.cc

Index: base/files/file_path_unittest.cc
diff --git a/base/files/file_path_unittest.cc b/base/files/file_path_unittest.cc
index 8b6f3a8af1b58ad840dec16b5741258ec38bfa88..906d8df32c4234ec7e69540d8add5ecebd3c989e 100644
--- a/base/files/file_path_unittest.cc
+++ b/base/files/file_path_unittest.cc
@@ -50,10 +50,10 @@ struct UTF8TestData {
 // to be a PlatformTest
 class FilePathTest : public PlatformTest {
  protected:
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     PlatformTest::SetUp();
   }
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     PlatformTest::TearDown();
   }
 };