Standardize usage of virtual/override/final in chrome/

chrome/common/ini_parser_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 <string>
 #include <vector>
 
 #include "chrome/common/ini_parser.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 13 matching lines @@
   std::string value;
 };
 
 class TestINIParser : public INIParser {
  public:
   explicit TestINIParser(
       const std::vector<TestTriplet>& expected_triplets)
       : expected_triplets_(expected_triplets),
         pair_i_(0) {
   }
-  virtual ~TestINIParser() {}
+  ~TestINIParser() override {}
 
   size_t pair_i() {
     return pair_i_;
   }
 
  private:
-  virtual void HandleTriplet(const std::string& section, const std::string& key,
-                             const std::string& value) override {
+  void HandleTriplet(const std::string& section,
+                     const std::string& key,
+                     const std::string& value) override {
     EXPECT_EQ(expected_triplets_[pair_i_].section, section);
     EXPECT_EQ(expected_triplets_[pair_i_].key, key);
     EXPECT_EQ(expected_triplets_[pair_i_].value, value);
     ++pair_i_;
   }
 
   std::vector<TestTriplet> expected_triplets_;
   size_t pair_i_;
 };
 
@@ skipping 65 matching lines @@
   EXPECT_TRUE(root.GetString("section1.key1", &value));
   EXPECT_EQ("value1", value);
   EXPECT_FALSE(root.GetString("section1.key.2", &value));
   EXPECT_TRUE(root.GetString("section1.key3", &value));
   EXPECT_EQ("va.lue3", value);
   EXPECT_FALSE(root.GetString("se.ction2.key.4", &value));
   EXPECT_FALSE(root.GetString("se.ction2.key5", &value));
 }
 
 }  // namespace