replace OVERRIDE and FINAL with override and final in chrome/browser/chromeos/

chrome/browser/chromeos/drive/file_cache_unittest.cc

Index: chrome/browser/chromeos/drive/file_cache_unittest.cc
diff --git a/chrome/browser/chromeos/drive/file_cache_unittest.cc b/chrome/browser/chromeos/drive/file_cache_unittest.cc
index 02b9008a6433f76179cdb603e305c4ed60549bcb..10c0bafafc3b6d030f1047e46e7b10922c341ac4 100644
--- a/chrome/browser/chromeos/drive/file_cache_unittest.cc
+++ b/chrome/browser/chromeos/drive/file_cache_unittest.cc
@@ -33,7 +33,7 @@ const char kCacheFileDirectory[] = "files";
 // Tests FileCache methods working with the blocking task runner.
 class FileCacheTest : public testing::Test {
  protected:
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     const base::FilePath metadata_dir = temp_dir_.path().AppendASCII("meta");
     cache_files_dir_ = temp_dir_.path().AppendASCII(kCacheFileDirectory);