Standardize usage of virtual/override/final specifiers.

extensions/browser/management_policy_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/strings/utf_string_conversions.h"
 #include "extensions/browser/management_policy.h"
 #include "extensions/browser/test_management_policy.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 typedef extensions::TestManagementPolicyProvider TestProvider;
 using extensions::Extension;
 
 class ManagementPolicyTest : public testing::Test {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     allow_all_.SetProhibitedActions(TestProvider::ALLOW_ALL);
     no_modify_status_.SetProhibitedActions(
         TestProvider::PROHIBIT_MODIFY_STATUS);
     no_load_.SetProhibitedActions(TestProvider::PROHIBIT_LOAD);
     must_remain_enabled_.SetProhibitedActions(
         TestProvider::MUST_REMAIN_ENABLED);
     must_remain_disabled_.SetProhibitedActions(
         TestProvider::MUST_REMAIN_DISABLED);
     must_remain_disabled_.SetDisableReason(Extension::DISABLE_SIDELOAD_WIPEOUT);
     must_remain_installed_.SetProhibitedActions(
@@ skipping 207 matching lines @@
   error = original_error16;
   EXPECT_FALSE(policy_.UserMayLoad(NULL, &error));
   EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
   error = original_error16;
   EXPECT_FALSE(policy_.UserMayModifySettings(NULL, &error));
   EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
   error = original_error16;
   EXPECT_TRUE(policy_.MustRemainEnabled(NULL, &error));
   EXPECT_EQ(base::UTF8ToUTF16(TestProvider::expected_error()), error);
 }