Replace OVERRIDE and FINAL with override and final in src/apps

apps/app_lifetime_monitor.h

Index: apps/app_lifetime_monitor.h
diff --git a/apps/app_lifetime_monitor.h b/apps/app_lifetime_monitor.h
index 9dfee75e6c1c16f705e810d57325b467b6321b8a..dfaebef0cba3a1a0eef3d85b9646a4d0b213f841 100644
--- a/apps/app_lifetime_monitor.h
+++ b/apps/app_lifetime_monitor.h
@@ -58,15 +58,15 @@ class AppLifetimeMonitor : public KeyedService,
   // content::NotificationObserver overrides:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
+                       const content::NotificationDetails& details) override;
 
   // extensions::AppWindowRegistry::Observer overrides:
-  virtual void OnAppWindowRemoved(extensions::AppWindow* app_window) OVERRIDE;
-  virtual void OnAppWindowHidden(extensions::AppWindow* app_window) OVERRIDE;
-  virtual void OnAppWindowShown(extensions::AppWindow* app_window) OVERRIDE;
+  virtual void OnAppWindowRemoved(extensions::AppWindow* app_window) override;
+  virtual void OnAppWindowHidden(extensions::AppWindow* app_window) override;
+  virtual void OnAppWindowShown(extensions::AppWindow* app_window) override;
 
   // KeyedService overrides:
-  virtual void Shutdown() OVERRIDE;
+  virtual void Shutdown() override;
 
   bool HasVisibleAppWindows(extensions::AppWindow* app_window) const;