Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/options.

chrome/browser/chromeos/options/network_property_ui_data_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 "chrome/browser/chromeos/options/network_property_ui_data.h"
 
 #include "base/values.h"
 #include "components/onc/onc_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace chromeos {
 
 class NetworkPropertyUIDataTest : public testing::Test {
  protected:
   NetworkPropertyUIDataTest() {}
-  virtual ~NetworkPropertyUIDataTest() {}
+  ~NetworkPropertyUIDataTest() override {}
 
   void CheckProperty(const NetworkPropertyUIData& property,
                      const base::Value* expected_default_value,
                      bool expected_managed,
                      bool expected_editable) {
     if (expected_default_value) {
       EXPECT_TRUE(base::Value::Equals(expected_default_value,
                                       property.default_value()));
     } else {
       EXPECT_FALSE(property.default_value());
@@ skipping 70 matching lines @@
   CheckProperty(prop, NULL, false, true);
 
   prop.ParseOncProperty(source, &onc, "a.d");
   CheckProperty(prop, NULL, true, false);
 
   prop.ParseOncProperty(source, NULL, "a.e");
   CheckProperty(prop, NULL, true, false);
 }
 
 }  // namespace chromeos