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

chrome/installer/util/advanced_firewall_manager_win_unittest.cc

Index: chrome/installer/util/advanced_firewall_manager_win_unittest.cc
diff --git a/chrome/installer/util/advanced_firewall_manager_win_unittest.cc b/chrome/installer/util/advanced_firewall_manager_win_unittest.cc
index 5920ea2d3c3afc200b7f4736108d8e9d35e430ce..08037f7af7239b1bb300cb8f0eee69f96f7bd815 100644
--- a/chrome/installer/util/advanced_firewall_manager_win_unittest.cc
+++ b/chrome/installer/util/advanced_firewall_manager_win_unittest.cc
@@ -17,11 +17,11 @@ class AdvancedFirewallManagerTest : public ::testing::Test {
 
  protected:
   // Sets up the test fixture.
-  virtual void SetUp() override {
+  void SetUp() override {
     if (base::GetCurrentProcessIntegrityLevel() != base::HIGH_INTEGRITY) {
       LOG(WARNING) << "XP or not elevated. Skipping the test.";
       return;
-    };
+    }
     skip_test_ = false;
     base::FilePath exe_path;
     PathService::Get(base::FILE_EXE, &exe_path);
@@ -30,7 +30,7 @@ class AdvancedFirewallManagerTest : public ::testing::Test {
   }
 
   // Tears down the test fixture.
-  virtual void TearDown() override {
+  void TearDown() override {
     if (!skip_test_)
       manager_.DeleteAllRules();
   }