Standardize usage of virtual/override/final specifiers.

ui/views/controls/styled_label_unittest.cc

 // Copyright 2013 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 <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/font_list.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/link.h"
 #include "ui/views/controls/styled_label.h"
 #include "ui/views/controls/styled_label_listener.h"
 #include "ui/views/test/views_test_base.h"
 #include "ui/views/widget/widget.h"
 
 using base::ASCIIToUTF16;
 
 namespace views {
 
 class StyledLabelTest : public ViewsTestBase, public StyledLabelListener {
  public:
   StyledLabelTest() {}
-  virtual ~StyledLabelTest() {}
+  ~StyledLabelTest() override {}
 
   // StyledLabelListener implementation.
-  virtual void StyledLabelLinkClicked(const gfx::Range& range,
-                                      int event_flags) override {}
+  void StyledLabelLinkClicked(const gfx::Range& range,
+                              int event_flags) override {}
 
  protected:
   StyledLabel* styled() { return styled_.get(); }
 
   void InitStyledLabel(const std::string& ascii_text) {
     styled_.reset(new StyledLabel(ASCIIToUTF16(ascii_text), this));
     styled_->set_owned_by_client();
   }
 
   int StyledLabelContentHeightForWidth(int w) {
@@ skipping 374 matching lines @@
 }
 
 TEST_F(StyledLabelTest, HandleEmptyLayout) {
   const std::string text("This is a test block of text.");
   InitStyledLabel(text);
   styled()->Layout();
   EXPECT_EQ(0, styled()->child_count());
 }
 
 }  // namespace views