Standardize usage of virtual/override/final specifiers.

ui/views/controls/scrollbar/scrollbar_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/controls/scrollbar/native_scroll_bar.h"
 #include "ui/views/controls/scrollbar/native_scroll_bar_views.h"
 #include "ui/views/controls/scrollbar/scroll_bar.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/widget/widget.h"
 
 namespace {
 
 // The Scrollbar controller. This is the widget that should do the real
 // scrolling of contents.
 class TestScrollBarController : public views::ScrollBarController {
  public:
   virtual ~TestScrollBarController() {}
 
-  virtual void ScrollToPosition(views::ScrollBar* source,
-                                int position) override {
+  void ScrollToPosition(views::ScrollBar* source, int position) override {
     last_source = source;
     last_position = position;
   }
 
-  virtual int GetScrollIncrement(views::ScrollBar* source,
-                                 bool is_page,
-                                 bool is_positive) override {
+  int GetScrollIncrement(views::ScrollBar* source,
+                         bool is_page,
+                         bool is_positive) override {
     last_source = source;
     last_is_page = is_page;
     last_is_positive = is_positive;
 
     if (is_page)
       return 20;
     return 10;
   }
 
   // We save the last values in order to assert the corectness of the scroll
   // operation.
   views::ScrollBar* last_source;
   bool last_is_positive;
   bool last_is_page;
   int last_position;
 };
 
 }  // namespace
 
 namespace views {
 
 class NativeScrollBarTest : public ViewsTestBase {
  public:
   NativeScrollBarTest() : widget_(NULL), scrollbar_(NULL) {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     ViewsTestBase::SetUp();
     controller_.reset(new TestScrollBarController());
 
     ASSERT_FALSE(scrollbar_);
     native_scrollbar_ = new NativeScrollBar(true);
     native_scrollbar_->SetBounds(0, 0, 100, 100);
     native_scrollbar_->set_controller(controller_.get());
 
     widget_ = new Widget;
     Widget::InitParams params = CreateParams(Widget::InitParams::TYPE_POPUP);
     params.bounds = gfx::Rect(0, 0, 100, 100);
     widget_->Init(params);
     View* container = new View();
     widget_->SetContentsView(container);
     container->AddChildView(native_scrollbar_);
 
     scrollbar_ =
         static_cast<NativeScrollBarViews*>(native_scrollbar_->native_wrapper_);
     scrollbar_->SetBounds(0, 0, 100, 100);
     scrollbar_->Update(100, 200, 0);
 
     track_size_ = scrollbar_->GetTrackBounds().width();
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     widget_->Close();
     ViewsTestBase::TearDown();
   }
 
  protected:
   Widget* widget_;
 
   // This is the native scrollbar the Views one wraps around.
   NativeScrollBar* native_scrollbar_;
 
@@ skipping 72 matching lines @@
   scrollbar_->Update(100, 101, 0);
   EXPECT_TRUE(scrollbar_->ScrollByContentsOffset(-1));
   // Shrink and then re-exapnd the content.
   scrollbar_->Update(100, 100, 0);
   scrollbar_->Update(100, 101, 0);
   // Ensure the scrollbar allows scrolling to the end.
   EXPECT_TRUE(scrollbar_->ScrollByContentsOffset(-1));
 }
 
 }  // namespace views