Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/drive.

chrome/browser/chromeos/drive/resource_metadata_storage_unittest.cc

 // Copyright 2013 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/chromeos/drive/resource_metadata_storage.h"
 
 #include <algorithm>
 
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/strings/string_split.h"
 #include "chrome/browser/chromeos/drive/drive.pb.h"
 #include "chrome/browser/chromeos/drive/test_util.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/leveldatabase/src/include/leveldb/db.h"
 #include "third_party/leveldatabase/src/include/leveldb/write_batch.h"
 
 namespace drive {
 namespace internal {
 
 class ResourceMetadataStorageTest : public testing::Test {
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     storage_.reset(new ResourceMetadataStorage(
         temp_dir_.path(), base::MessageLoopProxy::current().get()));
     ASSERT_TRUE(storage_->Initialize());
   }
 
   // Overwrites |storage_|'s version.
   void SetDBVersion(int version) {
     ResourceMetadataHeader header;
@@ skipping 587 matching lines @@
   EXPECT_EQ(FILE_ERROR_OK, storage_->RemoveEntry(key3));
   EXPECT_TRUE(CheckValidity());
 
   // Remove key1.
   EXPECT_EQ(FILE_ERROR_OK, storage_->RemoveEntry(key1));
   EXPECT_TRUE(CheckValidity());
 }
 
 }  // namespace internal
 }  // namespace drive