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

chrome/browser/profiles/profile_shortcut_manager_unittest_win.cc

Index: chrome/browser/profiles/profile_shortcut_manager_unittest_win.cc
diff --git a/chrome/browser/profiles/profile_shortcut_manager_unittest_win.cc b/chrome/browser/profiles/profile_shortcut_manager_unittest_win.cc
index 3d847eb2da244fad3778ad2184f5622f5c39b67c..71052b543d574ec9ca2a493d60fb97adc3d4b936 100644
--- a/chrome/browser/profiles/profile_shortcut_manager_unittest_win.cc
+++ b/chrome/browser/profiles/profile_shortcut_manager_unittest_win.cc
@@ -41,7 +41,7 @@ class ProfileShortcutManagerTest : public testing::Test {
         fake_system_desktop_(base::DIR_COMMON_DESKTOP) {
   }
 
-  virtual void SetUp() override {
+  void SetUp() override {
     CoInitialize(NULL);
 
     TestingBrowserProcess* browser_process =
@@ -59,7 +59,7 @@ class ProfileShortcutManagerTest : public testing::Test {
     profile_3_path_ = CreateProfileDirectory(profile_3_name_);
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     message_loop_.RunUntilIdle();
 
     // Delete all profiles and ensure their shortcuts got removed.