replace OVERRIDE and FINAL with override and final in athena/

athena/main/athena_views_delegate.cc

Index: athena/main/athena_views_delegate.cc
diff --git a/athena/main/athena_views_delegate.cc b/athena/main/athena_views_delegate.cc
index 4db7ff981148ee2930dc01ad229803101291ce12..e84322ce56b91de47c20b236915800dc507dc16c 100644
--- a/athena/main/athena_views_delegate.cc
+++ b/athena/main/athena_views_delegate.cc
@@ -22,12 +22,12 @@ class AthenaViewsDelegate: public views::ViewsDelegate {
 
   virtual void OnBeforeWidgetInit(
       views::Widget::InitParams* params,
-      views::internal::NativeWidgetDelegate* delegate) OVERRIDE {
+      views::internal::NativeWidgetDelegate* delegate) override {
     params->context = athena::ScreenManager::Get()->GetContext();
   }
 
   virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
-      views::Widget* widget) OVERRIDE {
+      views::Widget* widget) override {
     return new AthenaFrameView(widget);
   }