Standardize usage of virtual/override/final specifiers.

components/autofill/core/browser/credit_card_field_unittest.cc

 // Copyright 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.
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/autofill/core/browser/autofill_field.h"
 #include "components/autofill/core/browser/autofill_scanner.h"
 #include "components/autofill/core/browser/credit_card_field.h"
 #include "components/autofill/core/common/form_field_data.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using base::ASCIIToUTF16;
 
 namespace autofill {
 
 class CreditCardFieldTest : public testing::Test {
  public:
   CreditCardFieldTest() {}
-  virtual ~CreditCardFieldTest() {}
+  ~CreditCardFieldTest() override {}
 
  protected:
   ScopedVector<AutofillField> list_;
   scoped_ptr<const CreditCardField> field_;
   ServerFieldTypeMap field_type_map_;
 
   // Parses the contents of |list_| as a form, and stores the result into
   // |field_|.
   void Parse() {
     AutofillScanner scanner(list_.get());
@@ skipping 456 matching lines @@
   ASSERT_TRUE(field_type_map_.find(ASCIIToUTF16("month4")) !=
               field_type_map_.end());
   EXPECT_EQ(CREDIT_CARD_EXP_MONTH, field_type_map_[ASCIIToUTF16("month4")]);
   ASSERT_TRUE(field_type_map_.find(ASCIIToUTF16("year5")) !=
               field_type_map_.end());
   EXPECT_EQ(CREDIT_CARD_EXP_4_DIGIT_YEAR,
             field_type_map_[ASCIIToUTF16("year5")]);
 }
 
 }  // namespace autofill