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

chrome/browser/printing/print_preview_dialog_controller.cc

Index: chrome/browser/printing/print_preview_dialog_controller.cc
diff --git a/chrome/browser/printing/print_preview_dialog_controller.cc b/chrome/browser/printing/print_preview_dialog_controller.cc
index 3f3e94f93ef01c9dbbb8bf7529fac3e06446ae4d..9a93111661548f986ed6e4e9f2e851000e922c04 100644
--- a/chrome/browser/printing/print_preview_dialog_controller.cc
+++ b/chrome/browser/printing/print_preview_dialog_controller.cc
@@ -69,19 +69,18 @@ void EnableInternalPDFPluginForContents(WebContents* preview_dialog) {
 class PrintPreviewDialogDelegate : public ui::WebDialogDelegate {
  public:
   explicit PrintPreviewDialogDelegate(WebContents* initiator);
-  virtual ~PrintPreviewDialogDelegate();
+  ~PrintPreviewDialogDelegate() override;
 
-  virtual ui::ModalType GetDialogModalType() const override;
-  virtual base::string16 GetDialogTitle() const override;
-  virtual GURL GetDialogContentURL() const override;
-  virtual void GetWebUIMessageHandlers(
+  ui::ModalType GetDialogModalType() const override;
+  base::string16 GetDialogTitle() const override;
+  GURL GetDialogContentURL() const override;
+  void GetWebUIMessageHandlers(
       std::vector<WebUIMessageHandler*>* handlers) const override;
-  virtual void GetDialogSize(gfx::Size* size) const override;
-  virtual std::string GetDialogArgs() const override;
-  virtual void OnDialogClosed(const std::string& json_retval) override;
-  virtual void OnCloseContents(WebContents* source,
-                               bool* out_close_dialog) override;
-  virtual bool ShouldShowDialogTitle() const override;
+  void GetDialogSize(gfx::Size* size) const override;
+  std::string GetDialogArgs() const override;
+  void OnDialogClosed(const std::string& json_retval) override;
+  void OnCloseContents(WebContents* source, bool* out_close_dialog) override;
+  bool ShouldShowDialogTitle() const override;
 
  private:
   WebContents* initiator_;