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

chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc

Index: chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc
diff --git a/chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc b/chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc
index e977a9658983e36bcefdd9de4b32def31341c955..e8075827d3d0a7b26dd796be9ca97fcd6895411d 100644
--- a/chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc
+++ b/chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc
@@ -88,37 +88,33 @@ class ChromeJavaScriptDialogManager : public JavaScriptDialogManager {
  public:
   static ChromeJavaScriptDialogManager* GetInstance();
 
-  virtual void RunJavaScriptDialog(
-      WebContents* web_contents,
-      const GURL& origin_url,
-      const std::string& accept_lang,
-      content::JavaScriptMessageType message_type,
-      const base::string16& message_text,
-      const base::string16& default_prompt_text,
-      const DialogClosedCallback& callback,
-      bool* did_suppress_message) override;
-
-  virtual void RunBeforeUnloadDialog(
-      WebContents* web_contents,
-      const base::string16& message_text,
-      bool is_reload,
-      const DialogClosedCallback& callback) override;
-
-  virtual bool HandleJavaScriptDialog(
-      WebContents* web_contents,
-      bool accept,
-      const base::string16* prompt_override) override;
-
-  virtual void CancelActiveAndPendingDialogs(
-      WebContents* web_contents) override;
-
-  virtual void WebContentsDestroyed(WebContents* web_contents) override;
+  void RunJavaScriptDialog(WebContents* web_contents,
+                           const GURL& origin_url,
+                           const std::string& accept_lang,
+                           content::JavaScriptMessageType message_type,
+                           const base::string16& message_text,
+                           const base::string16& default_prompt_text,
+                           const DialogClosedCallback& callback,
+                           bool* did_suppress_message) override;
+
+  void RunBeforeUnloadDialog(WebContents* web_contents,
+                             const base::string16& message_text,
+                             bool is_reload,
+                             const DialogClosedCallback& callback) override;
+
+  bool HandleJavaScriptDialog(WebContents* web_contents,
+                              bool accept,
+                              const base::string16* prompt_override) override;
+
+  void CancelActiveAndPendingDialogs(WebContents* web_contents) override;
+
+  void WebContentsDestroyed(WebContents* web_contents) override;
 
  private:
   friend struct DefaultSingletonTraits<ChromeJavaScriptDialogManager>;
 
   ChromeJavaScriptDialogManager();
-  virtual ~ChromeJavaScriptDialogManager();
+  ~ChromeJavaScriptDialogManager() override;
 
   base::string16 GetTitle(WebContents* web_contents,
                           const GURL& origin_url,