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

chrome/browser/extensions/browser_permissions_policy_delegate.h

Index: chrome/browser/extensions/browser_permissions_policy_delegate.h
diff --git a/chrome/browser/extensions/browser_permissions_policy_delegate.h b/chrome/browser/extensions/browser_permissions_policy_delegate.h
index f6c72cdccf6facad7462b7fc4d959fa67e77d5d5..f8c0c590b567ef02cadc4f77e7e83a54ce94f04b 100644
--- a/chrome/browser/extensions/browser_permissions_policy_delegate.h
+++ b/chrome/browser/extensions/browser_permissions_policy_delegate.h
@@ -14,14 +14,14 @@ class BrowserPermissionsPolicyDelegate
     : public PermissionsData::PolicyDelegate {
  public:
   BrowserPermissionsPolicyDelegate();
-  virtual ~BrowserPermissionsPolicyDelegate();
-
-  virtual bool CanExecuteScriptOnPage(const Extension* extension,
-                                      const GURL& document_url,
-                                      const GURL& top_document_url,
-                                      int tab_id,
-                                      int process_id,
-                                      std::string* error) override;
+  ~BrowserPermissionsPolicyDelegate() override;
+
+  bool CanExecuteScriptOnPage(const Extension* extension,
+                              const GURL& document_url,
+                              const GURL& top_document_url,
+                              int tab_id,
+                              int process_id,
+                              std::string* error) override;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPermissionsPolicyDelegate);
 };