Standardize usage of virtual/override/final specifiers.

components/search_provider_logos/logo_cache_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 "components/search_provider_logos/logo_cache.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 77 matching lines @@
 // Removes 1 byte from the end of the file at |path|.
 void ShortenFile(base::FilePath path) {
   base::File file(path, base::File::FLAG_OPEN | base::File::FLAG_WRITE);
   int64 file_length = file.GetLength();
   ASSERT_NE(file_length, 0);
   file.SetLength(file_length - 1);
 }
 
 class LogoCacheTest : public ::testing::Test {
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     ASSERT_TRUE(cache_parent_dir_.CreateUniqueTempDir());
     InitCache();
   }
 
   void InitCache() {
     cache_.reset(new LogoCache(
         cache_parent_dir_.path().Append(FILE_PATH_LITERAL("cache"))));
   }
 
   void ExpectMetadata(const LogoMetadata* expected_metadata) {
@@ skipping 134 matching lines @@
   ExpectLogo(NULL);
   // Once the logo is noticed to be NULL, the metadata should also be cleared.
   ExpectMetadata(NULL);
 
   // Ensure corrupt cache files are deleted.
   EXPECT_FALSE(base::PathExists(cache_->GetMetadataPath()));
   EXPECT_FALSE(base::PathExists(cache_->GetLogoPath()));
 }
 
 }  // namespace search_provider_logos