Standardize usage of virtual/override/final specifiers.

content/browser/fileapi/sandbox_file_system_backend_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 "storage/browser/fileapi/sandbox_file_system_backend.h"
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/files/file_util.h"
@@ skipping 53 matching lines @@
                        const GURL& origin_url,
                        const std::string& name,
                        base::File::Error error) {
   *error_out = error;
 }
 
 }  // namespace
 
 class SandboxFileSystemBackendTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     SetUpNewDelegate(CreateAllowFileAccessOptions());
   }
 
   void SetUpNewDelegate(const storage::FileSystemOptions& options) {
     delegate_.reset(new SandboxFileSystemBackendDelegate(
         NULL /* quota_manager_proxy */,
         base::MessageLoopProxy::current().get(),
         data_dir_.path(),
         NULL /* special_storage_policy */,
@@ skipping 218 matching lines @@
                             storage::OPEN_FILE_SYSTEM_CREATE_IF_NONEXISTENT,
                             &root_path));
     base::FilePath expected = file_system_path().AppendASCII(
         kRootPathFileURITestCases[i].expected_path);
     EXPECT_EQ(expected.value(), root_path.value());
     EXPECT_TRUE(base::DirectoryExists(root_path));
   }
 }
 
 }  // namespace content