Standardize usage of virtual/override/final in content/browser/

content/browser/service_worker/service_worker_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 <string>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "base/thread_task_runner_handle.h"
@@ skipping 609 matching lines @@
 };
 
 class ServiceWorkerResourceStorageDiskTest
     : public ServiceWorkerResourceStorageTest {
  public:
   virtual void SetUp() override {
     ASSERT_TRUE(user_data_directory_.CreateUniqueTempDir());
     ServiceWorkerResourceStorageTest::SetUp();
   }
 
-  virtual base::FilePath GetUserDataDirectory() override {
+  base::FilePath GetUserDataDirectory() override {
     return user_data_directory_.path();
   }
 
  protected:
   base::ScopedTempDir user_data_directory_;
 };
 
 TEST_F(ServiceWorkerResourceStorageTest, DeleteRegistration_NoLiveVersion) {
   bool was_called = false;
   ServiceWorkerStatusCode result = SERVICE_WORKER_ERROR_FAILED;
@@ skipping 411 matching lines @@
   are_equal = true;
   storage()->CompareScriptResources(
       5, 6,
       base::Bind(&OnCompareComplete, &status, &are_equal));
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(SERVICE_WORKER_OK, status);
   EXPECT_FALSE(are_equal);
 }
 
 }  // namespace content