replace OVERRIDE and FINAL with override and final in ash/

ash/wm/overview/window_selector_panels.cc

Index: ash/wm/overview/window_selector_panels.cc
diff --git a/ash/wm/overview/window_selector_panels.cc b/ash/wm/overview/window_selector_panels.cc
index d3c69201e47fc90776b0449da8a28f6c93591a7c..89f8fe6017dfb6d7467b88d505d06f7c53a48c95 100644
--- a/ash/wm/overview/window_selector_panels.cc
+++ b/ash/wm/overview/window_selector_panels.cc
@@ -30,12 +30,12 @@ class ScopedTransformPanelWindow : public ScopedTransformOverviewWindow {
   virtual ~ScopedTransformPanelWindow();
 
   // ScopedTransformOverviewWindow overrides:
-  virtual void PrepareForOverview() OVERRIDE;
+  virtual void PrepareForOverview() override;
 
   virtual void SetTransform(
       aura::Window* root_window,
       const gfx::Transform& transform,
-      bool animate) OVERRIDE;
+      bool animate) override;
 
  private:
   // Returns the panel window bounds after the transformation.