replace OVERRIDE and FINAL with override and final in ash/

ash/touch/touch_hud_debug.cc

Index: ash/touch/touch_hud_debug.cc
diff --git a/ash/touch/touch_hud_debug.cc b/ash/touch/touch_hud_debug.cc
index 4c1dd174c7f7a23c941d731876338c7f526a43f9..b714edfc525dad43ef59dbc35e8d7c1eb0b1136b 100644
--- a/ash/touch/touch_hud_debug.cc
+++ b/ash/touch/touch_hud_debug.cc
@@ -308,7 +308,7 @@ class TouchHudCanvas : public views::View {
   }
 
   // Overridden from views::View.
-  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE {
+  virtual void OnPaint(gfx::Canvas* canvas) override {
     for (int i = 0; i < kMaxPaths; ++i) {
       if (paths_[i].countPoints() == 0)
         continue;