Update {virtual,override,final} to follow C++11 style in chrome/browser/chromeos/ui.

chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h

Index: chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
diff --git a/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h b/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
index 42ee4c886f44f4d5cb479275d9b4af52639ee2e5..bd692b984f4e2c1f31d3988d2c534843c0a802b5 100644
--- a/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
+++ b/chrome/browser/chromeos/ui/accessibility_focus_ring_controller.h
@@ -36,7 +36,7 @@ class AccessibilityFocusRingController
 
  protected:
   AccessibilityFocusRingController();
-  virtual ~AccessibilityFocusRingController();
+  ~AccessibilityFocusRingController() override;
 
   // Given an unordered vector of bounding rectangles that cover everything
   // that currently has focus, populate a vector of one or more
@@ -50,10 +50,10 @@ class AccessibilityFocusRingController
 
  private:
   // FocusRingLayerDelegate.
-  virtual void OnDeviceScaleFactorChanged() override;
+  void OnDeviceScaleFactorChanged() override;
 
   // CompositorAnimationObserver.
-  virtual void OnAnimationStep(base::TimeTicks timestamp) override;
+  void OnAnimationStep(base::TimeTicks timestamp) override;
 
   void Update();