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

chrome/browser/chromeos/drive/sync_client_unittest.cc

 // Copyright (c) 2012 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/sync_client.h"
 
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 31 matching lines @@
 // The content of files stored in the service.
 const char kRemoteContent[] = "World!";
 
 // SyncClientTestDriveService will return GDATA_CANCELLED when a request is
 // made with the specified resource ID.
 class SyncClientTestDriveService : public ::drive::FakeDriveService {
  public:
   SyncClientTestDriveService() : download_file_count_(0) {}
 
   // FakeDriveService override:
-  virtual google_apis::CancelCallback DownloadFile(
+  google_apis::CancelCallback DownloadFile(
       const base::FilePath& local_cache_path,
       const std::string& resource_id,
       const google_apis::DownloadActionCallback& download_action_callback,
       const google_apis::GetContentCallback& get_content_callback,
       const google_apis::ProgressCallback& progress_callback) override {
     ++download_file_count_;
     if (resource_id == resource_id_to_be_cancelled_) {
       base::MessageLoopProxy::current()->PostTask(
           FROM_HERE,
           base::Bind(download_action_callback,
@@ skipping 30 matching lines @@
   int download_file_count_;
   std::string resource_id_to_be_cancelled_;
   std::string resource_id_to_be_paused_;
   base::Closure paused_action_;
 };
 
 }  // namespace
 
 class SyncClientTest : public testing::Test {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     pref_service_.reset(new TestingPrefServiceSimple);
     test_util::RegisterDrivePrefs(pref_service_->registry());
 
     fake_network_change_notifier_.reset(
         new test_util::FakeNetworkChangeNotifier);
 
     logger_.reset(new EventLogger);
 
@@ skipping 397 matching lines @@
       local_id, google_apis::test_util::CreateCopyResultCallback(&error)));
 
   base::RunLoop().RunUntilIdle();
 
   // The callback is called.
   EXPECT_EQ(FILE_ERROR_OK, error);
 }
 
 }  // namespace internal
 }  // namespace drive