Chromium style checker cleanup

chrome/browser/notifications/notification_browsertest.cc

Index: chrome/browser/notifications/notification_browsertest.cc
diff --git a/chrome/browser/notifications/notification_browsertest.cc b/chrome/browser/notifications/notification_browsertest.cc
index d0f9a7382adb869f9195e8c55cecb85ca17c7bdf..55ef39b6ffff453921df1a27a8fecb818652b577 100644
--- a/chrome/browser/notifications/notification_browsertest.cc
+++ b/chrome/browser/notifications/notification_browsertest.cc
@@ -76,7 +76,7 @@ class MessageCenterChangeObserver
     message_center::MessageCenter::Get()->AddObserver(this);
   }
 
-  ~MessageCenterChangeObserver() {
+  virtual ~MessageCenterChangeObserver() {
     message_center::MessageCenter::Get()->RemoveObserver(this);
   }
 
@@ -89,7 +89,7 @@ class MessageCenterChangeObserver
     return notification_received_;
   }
 
-  virtual void OnMessageCenterChanged(bool new_notification) {
+  virtual void OnMessageCenterChanged(bool new_notification) OVERRIDE {
     notification_received_ = true;
     if (message_loop_runner_)
       message_loop_runner_->Quit();