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

chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm

Index: chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm
diff --git a/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm b/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm
index 1b88328da85e8752bc783b0b4bb7877d0f297631..6b9dc7be363fa1e1f7d19f86749bf12451ac3774 100644
--- a/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm
+++ b/chrome/browser/ui/cocoa/omnibox/omnibox_popup_view_mac_unittest.mm
@@ -33,9 +33,7 @@ class MockOmniboxPopupViewMac : public OmniboxPopupViewMac {
   }
 
  protected:
-  virtual const AutocompleteResult& GetResult() const override {
-    return result_;
-  }
+  const AutocompleteResult& GetResult() const override { return result_; }
 
  private:
   AutocompleteResult result_;