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

chrome/browser/ui/browser_window_state.cc

Index: chrome/browser/ui/browser_window_state.cc
diff --git a/chrome/browser/ui/browser_window_state.cc b/chrome/browser/ui/browser_window_state.cc
index c7837409acb7640cf4d817858535809669c5556a..79d0a9d5ad1ddd92fdff317dbd3d35d4899e10c8 100644
--- a/chrome/browser/ui/browser_window_state.cc
+++ b/chrome/browser/ui/browser_window_state.cc
@@ -48,9 +48,9 @@ class WindowPlacementPrefUpdate : public DictionaryPrefUpdate {
       : DictionaryPrefUpdate(service, prefs::kAppWindowPlacement),
         window_name_(window_name) {}
 
-  virtual ~WindowPlacementPrefUpdate() {}
+  ~WindowPlacementPrefUpdate() override {}
 
-  virtual base::DictionaryValue* Get() override {
+  base::DictionaryValue* Get() override {
     base::DictionaryValue* all_apps_dict = DictionaryPrefUpdate::Get();
     base::DictionaryValue* this_app_dict = NULL;
     if (!all_apps_dict->GetDictionary(window_name_, &this_app_dict)) {