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

chrome/browser/printing/print_view_manager_base.h

Index: chrome/browser/printing/print_view_manager_base.h
diff --git a/chrome/browser/printing/print_view_manager_base.h b/chrome/browser/printing/print_view_manager_base.h
index 7e1cee57da17586e70471e091b6a359ab6a94df4..85738c4b716f4980363477c20fedb632aaef4229 100644
--- a/chrome/browser/printing/print_view_manager_base.h
+++ b/chrome/browser/printing/print_view_manager_base.h
@@ -33,7 +33,7 @@ class PrintViewManagerBase : public content::NotificationObserver,
                              public PrintedPagesSource,
                              public content::WebContentsObserver {
  public:
-  virtual ~PrintViewManagerBase();
+  ~PrintViewManagerBase() override;
 
 #if !defined(DISABLE_BASIC_PRINTING)
   // Prints the current document immediately. Since the rendering is
@@ -46,7 +46,7 @@ class PrintViewManagerBase : public content::NotificationObserver,
   void UpdateScriptedPrintingBlocked();
 
   // PrintedPagesSource implementation.
-  virtual base::string16 RenderSourceName() override;
+  base::string16 RenderSourceName() override;
 
  protected:
   explicit PrintViewManagerBase(content::WebContents* web_contents);
@@ -55,26 +55,25 @@ class PrintViewManagerBase : public content::NotificationObserver,
   bool PrintNowInternal(IPC::Message* message);
 
   // Terminates or cancels the print job if one was pending.
-  virtual void RenderProcessGone(base::TerminationStatus status) override;
+  void RenderProcessGone(base::TerminationStatus status) override;
 
   // content::WebContentsObserver implementation.
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   // IPC Message handlers.
   virtual void OnPrintingFailed(int cookie);
 
  private:
   // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override;
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override;
 
   // content::WebContentsObserver implementation.
-  virtual void DidStartLoading(
-      content::RenderViewHost* render_view_host) override;
+  void DidStartLoading(content::RenderViewHost* render_view_host) override;
 
   // Cancels the print job.
-  virtual void NavigationStopped() override;
+  void NavigationStopped() override;
 
   // IPC Message handlers.
   void OnDidGetPrintedPagesCount(int cookie, int number_pages);