Standardize usage of virtual/override/final specifiers.

ui/views/examples/examples_window.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/examples/examples_window.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/memory/scoped_vector.h"
@@ skipping 80 matching lines @@
   std::sort(examples->begin(), examples->end(), ExampleTitleCompare());
   return examples.Pass();
 }
 
 }  // namespace
 
 // Model for the examples that are being added via AddExample().
 class ComboboxModelExampleList : public ui::ComboboxModel {
  public:
   ComboboxModelExampleList() {}
-  virtual ~ComboboxModelExampleList() {}
+  ~ComboboxModelExampleList() override {}
 
   void SetExamples(ScopedExamples examples) {
     example_list_.swap(*examples);
   }
 
   // ui::ComboboxModel:
-  virtual int GetItemCount() const override { return example_list_.size(); }
-  virtual base::string16 GetItemAt(int index) override {
+  int GetItemCount() const override { return example_list_.size(); }
+  base::string16 GetItemAt(int index) override {
     return base::UTF8ToUTF16(example_list_[index]->example_title());
   }
 
   View* GetItemViewAt(int index) {
     return example_list_[index]->example_view();
   }
 
  private:
   ScopedVector<ExampleBase> example_list_;
 
@@ skipping 30 matching lines @@
       example_shown_->SetLayoutManager(new FillLayout());
       example_shown_->AddChildView(combobox_model_.GetItemViewAt(0));
       layout->AddView(example_shown_);
     }
 
     layout->StartRow(0 /* no expand */, 0);
     layout->AddView(status_label_);
     layout->AddPaddingRow(0, 5);
   }
 
-  virtual ~ExamplesWindowContents() {
+  ~ExamplesWindowContents() override {
     // Delete |combobox_| first as it references |combobox_model_|.
     delete combobox_;
     combobox_ = NULL;
   }
 
   // Prints a message in the status area, at the bottom of the window.
   void SetStatus(const std::string& status) {
     status_label_->SetText(base::UTF8ToUTF16(status));
   }
 
   static ExamplesWindowContents* instance() { return instance_; }
 
  private:
   // WidgetDelegateView:
-  virtual bool CanResize() const override { return true; }
-  virtual bool CanMaximize() const override { return true; }
-  virtual bool CanMinimize() const override { return true; }
-  virtual base::string16 GetWindowTitle() const override {
+  bool CanResize() const override { return true; }
+  bool CanMaximize() const override { return true; }
+  bool CanMinimize() const override { return true; }
+  base::string16 GetWindowTitle() const override {
     return base::ASCIIToUTF16("Views Examples");
   }
-  virtual View* GetContentsView() override { return this; }
-  virtual void WindowClosing() override {
+  View* GetContentsView() override { return this; }
+  void WindowClosing() override {
     instance_ = NULL;
     if (operation_ == QUIT_ON_CLOSE)
       base::MessageLoopForUI::current()->Quit();
   }
 
   // ComboboxListener:
-  virtual void OnPerformAction(Combobox* combobox) override {
+  void OnPerformAction(Combobox* combobox) override {
     DCHECK_EQ(combobox, combobox_);
     DCHECK(combobox->selected_index() < combobox_model_.GetItemCount());
     example_shown_->RemoveAllChildViews(false);
     example_shown_->AddChildView(combobox_model_.GetItemViewAt(
         combobox->selected_index()));
     example_shown_->RequestFocus();
     SetStatus(std::string());
     Layout();
   }
 
@@ skipping 26 matching lines @@
     widget->Show();
   }
 }
 
 void LogStatus(const std::string& string) {
   ExamplesWindowContents::instance()->SetStatus(string);
 }
 
 }  // namespace examples
 }  // namespace views