Standardize usage of virtual/override/final specifiers.

ui/views/window/dialog_delegate_unittest.cc

Index: ui/views/window/dialog_delegate_unittest.cc
diff --git a/ui/views/window/dialog_delegate_unittest.cc b/ui/views/window/dialog_delegate_unittest.cc
index 7bbf191a1f4dd61fdf0c4efa6106b52b8ea1ec79..7f9149065da2636b9c5614aabf9ec95871a5e04e 100644
--- a/ui/views/window/dialog_delegate_unittest.cc
+++ b/ui/views/window/dialog_delegate_unittest.cc
@@ -24,27 +24,25 @@ class TestDialog : public DialogDelegateView, public ButtonListener {
         accepted_(false),
         closeable_(false),
         last_pressed_button_(NULL) {}
-  virtual ~TestDialog() {}
+  ~TestDialog() override {}
 
   // DialogDelegateView overrides:
-  virtual bool Cancel() override {
+  bool Cancel() override {
     canceled_ = true;
     return closeable_;
   }
-  virtual bool Accept() override {
+  bool Accept() override {
     accepted_ = true;
     return closeable_;
   }
 
   // DialogDelegateView overrides:
-  virtual gfx::Size GetPreferredSize() const override {
-    return gfx::Size(200, 200);
-  }
-  virtual base::string16 GetWindowTitle() const override { return title_; }
-  virtual bool UseNewStyleForThisDialog() const override { return true; }
+  gfx::Size GetPreferredSize() const override { return gfx::Size(200, 200); }
+  base::string16 GetWindowTitle() const override { return title_; }
+  bool UseNewStyleForThisDialog() const override { return true; }
 
   // ButtonListener override:
-  virtual void ButtonPressed(Button* sender, const ui::Event& event) override {
+  void ButtonPressed(Button* sender, const ui::Event& event) override {
     last_pressed_button_ = sender;
   }
 
@@ -92,15 +90,15 @@ class TestDialog : public DialogDelegateView, public ButtonListener {
 class DialogTest : public ViewsTestBase {
  public:
   DialogTest() : dialog_(NULL) {}
-  virtual ~DialogTest() {}
+  ~DialogTest() override {}
 
-  virtual void SetUp() override {
+  void SetUp() override {
     ViewsTestBase::SetUp();
     dialog_ = new TestDialog();
     DialogDelegate::CreateDialogWidget(dialog_, GetContext(), NULL)->Show();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     dialog_->TearDown();
     ViewsTestBase::TearDown();
   }