Standardize usage of virtual/override/final specifiers.

chrome/browser/renderer_context_menu/spelling_menu_observer_browsertest.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 "chrome/browser/renderer_context_menu/spelling_menu_observer.h"
 
 #include <vector>
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 220 matching lines @@
   void ForceSuggestMode() {
     menu()->GetPrefs()->SetBoolean(prefs::kSpellCheckUseSpellingService, true);
     // Force a non-empty and non-"en" locale so SUGGEST is available.
     menu()->GetPrefs()->SetString(prefs::kSpellCheckDictionary, "fr");
     ASSERT_TRUE(SpellingServiceClient::IsAvailable(
         menu()->GetBrowserContext(), SpellingServiceClient::SUGGEST));
     ASSERT_FALSE(SpellingServiceClient::IsAvailable(
         menu()->GetBrowserContext(), SpellingServiceClient::SPELLCHECK));
   }
 
-  virtual ~SpellingMenuObserverTest();
+  ~SpellingMenuObserverTest() override;
   MockRenderViewContextMenu* menu() { return menu_.get(); }
   SpellingMenuObserver* observer() { return observer_.get(); }
  private:
   scoped_ptr<SpellingMenuObserver> observer_;
   scoped_ptr<MockRenderViewContextMenu> menu_;
   DISALLOW_COPY_AND_ASSIGN(SpellingMenuObserverTest);
 };
 
 SpellingMenuObserverTest::SpellingMenuObserverTest() {
 }
@@ skipping 216 matching lines @@
   ForceSuggestMode();
   InitMenu("asdfkj", NULL);
 
   // Should have at least 2 entries. Separator, suggestion.
   EXPECT_LT(2U, menu()->GetMenuSize());
   menu()->GetMenuItem(0, &item);
   EXPECT_EQ(-1, item.command_id);
   menu()->GetMenuItem(1, &item);
   EXPECT_EQ(IDC_CONTENT_CONTEXT_SPELLING_SUGGESTION, item.command_id);
 }