Update {virtual,override,final} to follow C++11 style chrome/browser/ui.

chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc

Index: chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
diff --git a/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc b/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
index e3c3be8033ae47d50716484bfb24a391bf6007c3..83c70f86ecf492f1d0da108eebfcbc52318525cf 100644
--- a/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
+++ b/chrome/browser/ui/ash/multi_user/multi_user_context_menu_chromeos.cc
@@ -33,21 +33,16 @@ class MultiUserContextMenuChromeos : public ui::SimpleMenuModel,
                                      public ui::SimpleMenuModel::Delegate {
  public:
   explicit MultiUserContextMenuChromeos(aura::Window* window);
-  virtual ~MultiUserContextMenuChromeos() {}
+  ~MultiUserContextMenuChromeos() override {}
 
   // SimpleMenuModel::Delegate:
-  virtual bool IsCommandIdChecked(int command_id) const override {
+  bool IsCommandIdChecked(int command_id) const override { return false; }
+  bool IsCommandIdEnabled(int command_id) const override { return true; }
+  bool GetAcceleratorForCommandId(int command_id,
+                                  ui::Accelerator* accelerator) override {
     return false;
   }
-  virtual bool IsCommandIdEnabled(int command_id) const override {
-    return true;
-  }
-  virtual bool GetAcceleratorForCommandId(
-      int command_id,
-      ui::Accelerator* accelerator) override {
-    return false;
-  }
-  virtual void ExecuteCommand(int command_id, int event_flags) override;
+  void ExecuteCommand(int command_id, int event_flags) override;
 
  private:
   // The window for which this menu is.