Standardize usage of virtual/override/final specifiers.

components/bookmarks/browser/bookmark_utils_unittest.cc

 // Copyright 2014 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 "components/bookmarks/browser/bookmark_utils.h"
 
 #include <vector>
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 10 matching lines @@
 
 namespace bookmarks {
 namespace {
 
 class BookmarkUtilsTest : public testing::Test,
                           public BaseBookmarkModelObserver {
  public:
   BookmarkUtilsTest()
       : grouped_changes_beginning_count_(0),
         grouped_changes_ended_count_(0) {}
-  virtual ~BookmarkUtilsTest() {}
+  ~BookmarkUtilsTest() override {}
 
 // Copy and paste is not yet supported on iOS. http://crbug.com/228147
 #if !defined(OS_IOS)
-  virtual void TearDown() override {
+  void TearDown() override {
     ui::Clipboard::DestroyClipboardForCurrentThread();
   }
 #endif  // !defined(OS_IOS)
 
   // Certain user actions require multiple changes to the bookmark model,
   // however these modifications need to be atomic for the undo framework. The
   // BaseBookmarkModelObserver is used to inform the boundaries of the user
   // action. For example, when multiple bookmarks are cut to the clipboard we
   // expect one call each to GroupedBookmarkChangesBeginning/Ended.
   void ExpectGroupedChangeCount(int expected_beginning_count,
@@ skipping 507 matching lines @@
   model->GetNodesByURL(url, &nodes);
   ASSERT_EQ(1u, nodes.size());
   EXPECT_TRUE(model->bookmark_bar_node()->empty());
   EXPECT_TRUE(model->other_node()->empty());
   EXPECT_TRUE(model->mobile_node()->empty());
   EXPECT_EQ(1, extra_node->child_count());
 }
 
 }  // namespace
 }  // namespace bookmarks