Standardize usage of virtual/override/final in components/

components/autofill/core/browser/autofill_data_model.h

Index: components/autofill/core/browser/autofill_data_model.h
diff --git a/components/autofill/core/browser/autofill_data_model.h b/components/autofill/core/browser/autofill_data_model.h
index 04499f39db77d1616f799f27f972d3b514d68032..c4b7751e1b35d56f33b38bc48ea52df9d8d996cb 100644
--- a/components/autofill/core/browser/autofill_data_model.h
+++ b/components/autofill/core/browser/autofill_data_model.h
@@ -20,7 +20,7 @@ class AutofillType;
 class AutofillDataModel : public FormGroup {
  public:
   AutofillDataModel(const std::string& guid, const std::string& origin);
-  virtual ~AutofillDataModel();
+  ~AutofillDataModel() override;
 
   // Returns the string that should be auto-filled into a text field given the
   // |type| of that field, localized to the given |app_locale| if appropriate.