remove some new OVERRIDE instances in ui/

ui/views/widget/native_widget_mac_interactive_uitest.mm

Index: ui/views/widget/native_widget_mac_interactive_uitest.mm
diff --git a/ui/views/widget/native_widget_mac_interactive_uitest.mm b/ui/views/widget/native_widget_mac_interactive_uitest.mm
index 540ac753a87a82017dc165df7cc6416349f198ab..7cb6afbbe2678e288d6032b5b7a95704dade6aad 100644
--- a/ui/views/widget/native_widget_mac_interactive_uitest.mm
+++ b/ui/views/widget/native_widget_mac_interactive_uitest.mm
@@ -51,7 +51,7 @@ class NativeWidgetMacInteractiveUITest::Observer : public TestWidgetObserver {
   Observer(NativeWidgetMacInteractiveUITest* parent, Widget* widget)
       : TestWidgetObserver(widget), parent_(parent) {}
 
-  virtual void OnWidgetActivationChanged(Widget* widget, bool active) OVERRIDE {
+  virtual void OnWidgetActivationChanged(Widget* widget, bool active) override {
     if (active)
       parent_->activationCount_++;
     else