Standardize usage of virtual/override/final specifiers.

chrome/renderer/safe_browsing/phishing_term_feature_extractor_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/renderer/safe_browsing/phishing_term_feature_extractor.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 15 matching lines @@
 using base::ASCIIToUTF16;
 using ::testing::Return;
 
 
 static const uint32 kMurmurHash3Seed = 2777808611U;
 
 namespace safe_browsing {
 
 class PhishingTermFeatureExtractorTest : public ::testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     base::hash_set<std::string> terms;
     terms.insert("one");
     terms.insert("one one");
     terms.insert("two");
     terms.insert("multi word test");
     terms.insert("capitalization");
     terms.insert("space");
     terms.insert("separator");
     terms.insert("punctuation");
     // Chinese (translation of "hello")
@@ skipping 408 matching lines @@
   // Now extract normally and make sure nothing breaks.
   EXPECT_TRUE(ExtractFeatures(page_text.get(), &features, &shingle_hashes));
 
   FeatureMap expected_features;
   expected_features.AddBooleanFeature(features::kPageTerm +
                                       std::string("multi word test"));
   ExpectFeatureMapsAreEqual(features, expected_features);
 }
 
 }  // namespace safe_browsing