replace OVERRIDE and FINAL with override and final in chrome/browser/[j-q]*

chrome/browser/notifications/screen_lock_notification_blocker.h

Index: chrome/browser/notifications/screen_lock_notification_blocker.h
diff --git a/chrome/browser/notifications/screen_lock_notification_blocker.h b/chrome/browser/notifications/screen_lock_notification_blocker.h
index 742936a2411eab4160df7dd7df001a36618050f2..8c5c9445643ff5391c192a2ea810906b5e798204 100644
--- a/chrome/browser/notifications/screen_lock_notification_blocker.h
+++ b/chrome/browser/notifications/screen_lock_notification_blocker.h
@@ -21,9 +21,9 @@ class ScreenLockNotificationBlocker
   bool is_locked() const { return is_locked_; }
 
   // message_center::NotificationBlocker overrides:
-  virtual void CheckState() OVERRIDE;
+  virtual void CheckState() override;
   virtual bool ShouldShowNotificationAsPopup(
-      const message_center::NotifierId& notifier_id) const OVERRIDE;
+      const message_center::NotifierId& notifier_id) const override;
 
  private:
   bool is_locked_;