replace OVERRIDE and FINAL with override and final in athena/

athena/wm/window_list_provider_impl_unittest.cc

Index: athena/wm/window_list_provider_impl_unittest.cc
diff --git a/athena/wm/window_list_provider_impl_unittest.cc b/athena/wm/window_list_provider_impl_unittest.cc
index b9645e1afc5702b2950e2e9507c4f581a69fa655..3419b2ed22c8d82d0da945560663073ffdac04ed 100644
--- a/athena/wm/window_list_provider_impl_unittest.cc
+++ b/athena/wm/window_list_provider_impl_unittest.cc
@@ -64,12 +64,12 @@ class WindowListObserver : public WindowListProviderObserver {
   int window_removal_calls() const { return window_removal_calls_; }
 
   // WindowListProviderObserver:
-  virtual void OnWindowStackingChanged() OVERRIDE {
+  virtual void OnWindowStackingChanged() override {
     calls_++;
   }
 
   virtual void OnWindowRemoved(aura::Window* removed_window,
-                               int index) OVERRIDE {
+                               int index) override {
     window_removal_calls_++;
   }