Standardize usage of virtual/override/final specifiers.

chrome/browser/spellchecker/feedback_unittest.cc

 // Copyright (c) 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.
 //
 // Unit tests for |Feedback| object.
 
 #include "chrome/browser/spellchecker/feedback.h"
 
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::ASCIIToUTF16;
 
 namespace spellcheck {
 
 namespace {
 
 // Identifier for a renderer process.
 const int kRendererProcessId = 7;
 
 // Hash identifier for a misspelling.
 const uint32 kMisspellingHash = 42;
 
 }  // namespace
 
 // A test fixture to help keep the tests simple.
 class FeedbackTest : public testing::Test {
  public:
   FeedbackTest() {}
-  virtual ~FeedbackTest() {}
+  ~FeedbackTest() override {}
 
  protected:
   void AddMisspelling(int renderer_process_id, uint32 hash) {
     Misspelling misspelling;
     misspelling.hash = hash;
     feedback_.AddMisspelling(renderer_process_id, misspelling);
   }
 
   spellcheck::Feedback feedback_;
 };
@@ skipping 209 matching lines @@
                   kMisspellingStart,
                   kMisspellingLength,
                   std::vector<base::string16>(1, kSuggestion),
                   kMisspellingHash));
   feedback_.GetMisspelling(kMisspellingHash)->action.Finalize();
   feedback_.EraseFinalizedMisspellings(kRendererProcessId);
   EXPECT_TRUE(feedback_.FindMisspellings(kMisspelledWord).empty());
 }
 
 }  // namespace spellcheck