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

chrome/browser/ui/webui/downloads_dom_handler.h

Index: chrome/browser/ui/webui/downloads_dom_handler.h
diff --git a/chrome/browser/ui/webui/downloads_dom_handler.h b/chrome/browser/ui/webui/downloads_dom_handler.h
index 14495c77f7659d0175a8bdd6e05f18dcc78e16d5..30c42e387b37da8ced1c1b5c89791ee5f2586693 100644
--- a/chrome/browser/ui/webui/downloads_dom_handler.h
+++ b/chrome/browser/ui/webui/downloads_dom_handler.h
@@ -30,23 +30,20 @@ class DownloadsDOMHandler : public content::WebUIMessageHandler,
                             public AllDownloadItemNotifier::Observer {
  public:
   explicit DownloadsDOMHandler(content::DownloadManager* dlm);
-  virtual ~DownloadsDOMHandler();
+  ~DownloadsDOMHandler() override;
 
   void Init();
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
   // AllDownloadItemNotifier::Observer interface
-  virtual void OnDownloadCreated(
-      content::DownloadManager* manager,
-      content::DownloadItem* download_item) override;
-  virtual void OnDownloadUpdated(
-      content::DownloadManager* manager,
-      content::DownloadItem* download_item) override;
-  virtual void OnDownloadRemoved(
-      content::DownloadManager* manager,
-      content::DownloadItem* download_item) override;
+  void OnDownloadCreated(content::DownloadManager* manager,
+                         content::DownloadItem* download_item) override;
+  void OnDownloadUpdated(content::DownloadManager* manager,
+                         content::DownloadItem* download_item) override;
+  void OnDownloadRemoved(content::DownloadManager* manager,
+                         content::DownloadItem* download_item) override;
 
   // Callback for the "onPageLoaded" message.
   void OnPageLoaded(const base::ListValue* args);