Update {virtual,override} to follow C++11 style in chrome.

chrome/installer/util/legacy_firewall_manager_win_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 "chrome/installer/util/legacy_firewall_manager_win.h"
 
 #include "base/path_service.h"
 #include "base/process/process_info.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace installer {
 
 class LegacyFirewallManagerTest : public ::testing::Test {
  public:
   LegacyFirewallManagerTest() : skip_test_(true) {}
 
  protected:
   // Sets up the test fixture.
-  virtual void SetUp() override {
+  void SetUp() override {
     if (base::GetCurrentProcessIntegrityLevel() != base::HIGH_INTEGRITY) {
       LOG(WARNING) << "Not elevated. Skipping the test.";
       return;
     };
     skip_test_ = false;
     base::FilePath exe_path;
     PathService::Get(base::FILE_EXE, &exe_path);
     EXPECT_TRUE(manager_.Init(L"LegacyFirewallManagerTest", exe_path));
     manager_.DeleteRule();
   }
 
   // Tears down the test fixture.
-  virtual void TearDown() override {
+  void TearDown() override {
     if (!skip_test_)
       manager_.DeleteRule();
   }
 
   bool skip_test_;
   LegacyFirewallManager manager_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(LegacyFirewallManagerTest);
 };
@@ skipping 20 matching lines @@
     return;
   EXPECT_TRUE(manager_.SetAllowIncomingConnection(false));
   bool allowed = true;
   EXPECT_TRUE(manager_.GetAllowIncomingConnection(&allowed));
   EXPECT_FALSE(allowed);
   manager_.DeleteRule();
   EXPECT_FALSE(manager_.GetAllowIncomingConnection(NULL));
 }
 
 }  // namespace installer