replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/sync_file_system/drive_backend/metadata_database_index_on_disk_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index_on_disk.h"
 
 #include <algorithm>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 17 matching lines @@
 const int64 kAppRootTrackerID = 2;
 const int64 kFileTrackerID = 3;
 const int64 kPlaceholderTrackerID = 4;
 
 }  // namespace
 
 class MetadataDatabaseIndexOnDiskTest : public testing::Test {
  public:
   virtual ~MetadataDatabaseIndexOnDiskTest() {}
 
-  virtual void SetUp() OVERRIDE {
+  virtual void SetUp() override {
     ASSERT_TRUE(database_dir_.CreateUniqueTempDir());
     in_memory_env_.reset(leveldb::NewMemEnv(leveldb::Env::Default()));
     db_ = InitializeLevelDB();
     index_ = MetadataDatabaseIndexOnDisk::Create(db_.get());
   }
 
-  virtual void TearDown() OVERRIDE {
+  virtual void TearDown() override {
     index_.reset();
     db_.reset();
     in_memory_env_.reset();
   }
 
   void CreateTestDatabase(bool build_index, LevelDBWrapper* db) {
     if (!db) {
       DCHECK(index());
       db = index()->GetDBForTesting();
     }
@@ skipping 579 matching lines @@
   EXPECT_EQ(kInvalidTrackerID, index()->PickDirtyTracker());
 
   // Demoted trackers
   EXPECT_TRUE(index()->HasDemotedDirtyTracker());
   EXPECT_TRUE(index()->PromoteDemotedDirtyTrackers());
   EXPECT_FALSE(index()->HasDemotedDirtyTracker());
 }
 
 }  // namespace drive_backend
 }  // namespace sync_file_system