Standardize usage of virtual/override/final specifiers.

ui/views/accessible_pane_view_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/accessible_pane_view.h"
 
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
 
 // TODO(alicet): bring pane rotation into views and add tests.
 //               See browser_view.cc for details.
 
 typedef ViewsTestBase AccessiblePaneViewTest;
 
 class TestBarView : public AccessiblePaneView,
                     public ButtonListener {
  public:
   TestBarView();
-  virtual ~TestBarView();
+  ~TestBarView() override;
 
-  virtual void ButtonPressed(Button* sender,
-                             const ui::Event& event) override;
+  void ButtonPressed(Button* sender, const ui::Event& event) override;
   LabelButton* child_button() const { return child_button_.get(); }
   LabelButton* second_child_button() const {
     return second_child_button_.get();
   }
   LabelButton* third_child_button() const { return third_child_button_.get(); }
   LabelButton* not_child_button() const { return not_child_button_.get(); }
 
-  virtual View* GetDefaultFocusableChild() override;
+  View* GetDefaultFocusableChild() override;
 
  private:
   void Init();
 
   scoped_ptr<LabelButton> child_button_;
   scoped_ptr<LabelButton> second_child_button_;
   scoped_ptr<LabelButton> third_child_button_;
   scoped_ptr<LabelButton> not_child_button_;
 
   DISALLOW_COPY_AND_ASSIGN(TestBarView);
@@ skipping 169 matching lines @@
             test_view->GetWidget()->GetFocusManager()->GetFocusedView());
 
   // ESC
   test_view->AcceleratorPressed(test_view->escape_key());
   EXPECT_EQ(original_test_view->third_child_button(),
             test_view->GetWidget()->GetFocusManager()->GetFocusedView());
   widget->CloseNow();
   widget.reset();
 }
 }  // namespace views