Standardize usage of virtual/override/final specifiers.

ash/wm/lock_layout_manager_unittest.cc

Index: ash/wm/lock_layout_manager_unittest.cc
diff --git a/ash/wm/lock_layout_manager_unittest.cc b/ash/wm/lock_layout_manager_unittest.cc
index e1ed1348bded20e028e412e453eaa385bc4812d7..e76fd96f7da43e16bd0fd73a3a077fa71c37656b 100644
--- a/ash/wm/lock_layout_manager_unittest.cc
+++ b/ash/wm/lock_layout_manager_unittest.cc
@@ -33,24 +33,14 @@ class LoginTestWidgetDelegate : public views::WidgetDelegate {
  public:
   explicit LoginTestWidgetDelegate(views::Widget* widget) : widget_(widget) {
   }
-  virtual ~LoginTestWidgetDelegate() {}
+  ~LoginTestWidgetDelegate() override {}
 
   // Overridden from WidgetDelegate:
-  virtual void DeleteDelegate() override {
-    delete this;
-  }
-  virtual views::Widget* GetWidget() override {
-    return widget_;
-  }
-  virtual const views::Widget* GetWidget() const override {
-    return widget_;
-  }
-  virtual bool CanActivate() const override {
-    return true;
-  }
-  virtual bool ShouldAdvanceFocusToTopLevelWidget() const override {
-    return true;
-  }
+  void DeleteDelegate() override { delete this; }
+  views::Widget* GetWidget() override { return widget_; }
+  const views::Widget* GetWidget() const override { return widget_; }
+  bool CanActivate() const override { return true; }
+  bool ShouldAdvanceFocusToTopLevelWidget() const override { return true; }
 
  private:
   views::Widget* widget_;
@@ -62,7 +52,7 @@ class LoginTestWidgetDelegate : public views::WidgetDelegate {
 
 class LockLayoutManagerTest : public AshTestBase {
  public:
-  virtual void SetUp() override {
+  void SetUp() override {
     // Allow a virtual keyboard (and initialize it per default).
     CommandLine::ForCurrentProcess()->AppendSwitch(
         keyboard::switches::kEnableVirtualKeyboard);
@@ -71,7 +61,7 @@ class LockLayoutManagerTest : public AshTestBase {
         keyboard::KeyboardController::GetInstance());
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     Shell::GetPrimaryRootWindowController()->DeactivateKeyboard(
         keyboard::KeyboardController::GetInstance());
     AshTestBase::TearDown();