Standardize usage of virtual/override/final in chrome/browser/ui/

chrome/browser/ui/cocoa/panels/panel_cocoa.mm

Index: chrome/browser/ui/cocoa/panels/panel_cocoa.mm
diff --git a/chrome/browser/ui/cocoa/panels/panel_cocoa.mm b/chrome/browser/ui/cocoa/panels/panel_cocoa.mm
index 8fe8fc13e16a7777db3c5b5de9a9fd7f95379e02..f5fc284d05c28ae20ff4cf9fbeedfe07c1e7af3e 100644
--- a/chrome/browser/ui/cocoa/panels/panel_cocoa.mm
+++ b/chrome/browser/ui/cocoa/panels/panel_cocoa.mm
@@ -324,26 +324,24 @@ void PanelCocoa::DidCloseNativeWindow() {
 class CocoaNativePanelTesting : public NativePanelTesting {
  public:
   CocoaNativePanelTesting(NativePanel* native_panel);
-  virtual ~CocoaNativePanelTesting() { }
+  ~CocoaNativePanelTesting() override {}
   // Overridden from NativePanelTesting
-  virtual void PressLeftMouseButtonTitlebar(
-      const gfx::Point& mouse_location, panel::ClickModifier modifier) override;
-  virtual void ReleaseMouseButtonTitlebar(
-      panel::ClickModifier modifier) override;
-  virtual void DragTitlebar(const gfx::Point& mouse_location) override;
-  virtual void CancelDragTitlebar() override;
-  virtual void FinishDragTitlebar() override;
-  virtual bool VerifyDrawingAttention() const override;
-  virtual bool VerifyActiveState(bool is_active) override;
-  virtual bool VerifyAppIcon() const override;
-  virtual bool VerifySystemMinimizeState() const override;
-  virtual bool IsWindowVisible() const override;
-  virtual bool IsWindowSizeKnown() const override;
-  virtual bool IsAnimatingBounds() const override;
-  virtual bool IsButtonVisible(
-      panel::TitlebarButtonType button_type) const override;
-  virtual panel::CornerStyle GetWindowCornerStyle() const override;
-  virtual bool EnsureApplicationRunOnForeground() override;
+  void PressLeftMouseButtonTitlebar(const gfx::Point& mouse_location,
+                                    panel::ClickModifier modifier) override;
+  void ReleaseMouseButtonTitlebar(panel::ClickModifier modifier) override;
+  void DragTitlebar(const gfx::Point& mouse_location) override;
+  void CancelDragTitlebar() override;
+  void FinishDragTitlebar() override;
+  bool VerifyDrawingAttention() const override;
+  bool VerifyActiveState(bool is_active) override;
+  bool VerifyAppIcon() const override;
+  bool VerifySystemMinimizeState() const override;
+  bool IsWindowVisible() const override;
+  bool IsWindowSizeKnown() const override;
+  bool IsAnimatingBounds() const override;
+  bool IsButtonVisible(panel::TitlebarButtonType button_type) const override;
+  panel::CornerStyle GetWindowCornerStyle() const override;
+  bool EnsureApplicationRunOnForeground() override;
 
  private:
   PanelTitlebarViewCocoa* titlebar() const;