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

chrome/browser/chromeos/drive/download_handler_unittest.cc

 // Copyright (c) 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/download_handler.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "chrome/browser/chromeos/drive/dummy_file_system.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 10 matching lines @@
 
 // Test file system for verifying the behavior of DownloadHandler, by simulating
 // various responses from FileSystem.
 class DownloadHandlerTestFileSystem : public DummyFileSystem {
  public:
   DownloadHandlerTestFileSystem() : error_(FILE_ERROR_FAILED) {}
 
   void set_error(FileError error) { error_ = error; }
 
   // FileSystemInterface overrides.
-  virtual void GetResourceEntry(
-      const base::FilePath& file_path,
-      const GetResourceEntryCallback& callback) override {
+  void GetResourceEntry(const base::FilePath& file_path,
+                        const GetResourceEntryCallback& callback) override {
     callback.Run(error_, scoped_ptr<ResourceEntry>(
         error_ == FILE_ERROR_OK ? new ResourceEntry : NULL));
   }
 
-  virtual void CreateDirectory(
-      const base::FilePath& directory_path,
-      bool is_exclusive,
-      bool is_recursive,
-      const FileOperationCallback& callback) override {
+  void CreateDirectory(const base::FilePath& directory_path,
+                       bool is_exclusive,
+                       bool is_recursive,
+                       const FileOperationCallback& callback) override {
     callback.Run(error_);
   }
 
  private:
   FileError error_;
 };
 
 }  // namespace
 
 class DownloadHandlerTest : public testing::Test {
  public:
   DownloadHandlerTest()
       : download_manager_(new content::MockDownloadManager) {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     // Set expectations for download item.
     EXPECT_CALL(download_item_, GetState())
         .WillRepeatedly(testing::Return(content::DownloadItem::IN_PROGRESS));
 
     download_handler_.reset(new DownloadHandler(&test_file_system_));
     download_handler_->Initialize(download_manager_.get(), temp_dir_.path());
   }
 
@@ skipping 123 matching lines @@
   download_handler_->CheckForFileExistence(
       &download_item_,
       google_apis::test_util::CreateCopyResultCallback(&file_exists));
   content::RunAllBlockingPoolTasksUntilIdle();
 
   // Check the result.
   EXPECT_FALSE(file_exists);
 }
 
 }  // namespace drive