Standardize usage of virtual/override/final specifiers.

content/browser/quota/quota_backend_impl_unittest.cc

 // Copyright 2014 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/quota/quota_backend_impl.h"
 
 #include <string>
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 75 matching lines @@
 };
 
 }  // namespace
 
 class QuotaBackendImplTest : public testing::Test {
  public:
   QuotaBackendImplTest()
       : file_system_usage_cache_(file_task_runner()),
         quota_manager_proxy_(new MockQuotaManagerProxy) {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     in_memory_env_.reset(leveldb::NewMemEnv(leveldb::Env::Default()));
     file_util_.reset(ObfuscatedFileUtil::CreateForTesting(
         NULL, data_dir_.path(), in_memory_env_.get(), file_task_runner()));
     backend_.reset(new QuotaBackendImpl(file_task_runner(),
                                         file_util_.get(),
                                         &file_system_usage_cache_,
                                         quota_manager_proxy_.get()));
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     backend_.reset();
     quota_manager_proxy_ = NULL;
     file_util_.reset();
     message_loop_.RunUntilIdle();
   }
 
  protected:
   void InitializeForOriginAndType(const GURL& origin,
                                   storage::FileSystemType type) {
     ASSERT_TRUE(file_util_->InitOriginDatabase(origin, true /* create */));
@@ skipping 144 matching lines @@
   uint32 dirty = 0;
   ASSERT_TRUE(file_system_usage_cache_.GetDirty(path, &dirty));
   EXPECT_EQ(1u, dirty);
 
   backend_->DecrementDirtyCount(GURL(kOrigin), type);
   ASSERT_TRUE(file_system_usage_cache_.GetDirty(path, &dirty));
   EXPECT_EQ(0u, dirty);
 }
 
 }  // namespace content