replace OVERRIDE and FINAL with override and final in athena/

athena/util/drag_handle_unittest.cc

Index: athena/util/drag_handle_unittest.cc
diff --git a/athena/util/drag_handle_unittest.cc b/athena/util/drag_handle_unittest.cc
index 42eadefaa1e9d9922e25cd0c4446497c4cf31a2d..16f152ef2eaa3b9f236d734fd988c4a90818b7f4 100644
--- a/athena/util/drag_handle_unittest.cc
+++ b/athena/util/drag_handle_unittest.cc
@@ -32,15 +32,15 @@ class DragHandleDelegateTest : public DragHandleScrollDelegate {
 
  private:
   // DragHandleScrollDelegate:
-  virtual void HandleScrollBegin(float delta) OVERRIDE {
+  virtual void HandleScrollBegin(float delta) override {
     begin_delta_ = delta;
   }
 
-  virtual void HandleScrollEnd() OVERRIDE {
+  virtual void HandleScrollEnd() override {
     got_scroll_end_ = true;
   }
 
-  virtual void HandleScrollUpdate(float delta) OVERRIDE {
+  virtual void HandleScrollUpdate(float delta) override {
     update_delta_ = delta;
   }