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

chrome/browser/chromeos/ui/idle_app_name_notification_view.cc

Index: chrome/browser/chromeos/ui/idle_app_name_notification_view.cc
diff --git a/chrome/browser/chromeos/ui/idle_app_name_notification_view.cc b/chrome/browser/chromeos/ui/idle_app_name_notification_view.cc
index bfcc7bcd7173cb891ed464b0d764915530daa441..06dd15490a089664b3264666726ce85896c73188 100644
--- a/chrome/browser/chromeos/ui/idle_app_name_notification_view.cc
+++ b/chrome/browser/chromeos/ui/idle_app_name_notification_view.cc
@@ -132,7 +132,7 @@ class IdleAppNameNotificationDelegateView
         &IdleAppNameNotificationDelegateView::RemoveMessage);
   }
 
-  virtual ~IdleAppNameNotificationDelegateView() {
+  ~IdleAppNameNotificationDelegateView() override {
     // The widget is already closing, but the other cleanup items need to be
     // performed.
     widget_closed_ = true;
@@ -168,7 +168,7 @@ class IdleAppNameNotificationDelegateView
     layer->SetBounds(rect);
   }
 
-  virtual void OnPaint(gfx::Canvas* canvas) override {
+  void OnPaint(gfx::Canvas* canvas) override {
     SkPaint paint;
     paint.setStyle(SkPaint::kFill_Style);
     paint.setColor(kWindowBackgroundColor);
@@ -176,15 +176,13 @@ class IdleAppNameNotificationDelegateView
     views::WidgetDelegateView::OnPaint(canvas);
   }
 
-  virtual void GetAccessibleState(ui::AXViewState* state) override {
+  void GetAccessibleState(ui::AXViewState* state) override {
     state->name = spoken_text_;
     state->role = ui::AX_ROLE_ALERT;
   }
 
   // ImplicitAnimationObserver overrides
-  virtual void OnImplicitAnimationsCompleted() override {
-    Close();
-  }
+  void OnImplicitAnimationsCompleted() override { Close(); }
 
  private:
   // Adds the label to the view, using |text| with a |font| and a |text_color|.