Standardize usage of virtual/override/final specifiers.

chrome/browser/safe_browsing/safe_browsing_store_file_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/safe_browsing/safe_browsing_store_file.h"
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 22 matching lines @@
 
 const SBPrefix kMinSBPrefix = 0u;
 const SBPrefix kMaxSBPrefix = ~kMinSBPrefix;
 
 }  // namespace
 
 namespace safe_browsing {
 
 class SafeBrowsingStoreFileTest : public PlatformTest {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     PlatformTest::SetUp();
 
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
 
     filename_ = temp_dir_.path();
     filename_ = filename_.AppendASCII("SafeBrowsingTestStore");
 
     store_.reset(new SafeBrowsingStoreFile());
     store_->Init(filename_,
                  base::Bind(&SafeBrowsingStoreFileTest::OnCorruptionDetected,
                             base::Unretained(this)));
     corruption_detected_ = false;
   }
-  virtual void TearDown() {
+  void TearDown() override {
     if (store_.get())
       store_->Delete();
     store_.reset();
 
     PlatformTest::TearDown();
   }
 
   void OnCorruptionDetected() {
     corruption_detected_ = true;
   }
@@ skipping 767 matching lines @@
     std::vector<SBPrefix> prefixes_result;
     builder.GetPrefixSetNoHashes()->GetPrefixes(&prefixes_result);
     ASSERT_EQ(1U, prefixes_result.size());
     EXPECT_EQ(kHash1.prefix, prefixes_result[0]);
     EXPECT_TRUE(add_full_hashes_result.empty());
   }
 }
 #endif
 
 }  // namespace safe_browsing