Standardize usage of virtual/override/final specifiers.

chrome/browser/renderer_context_menu/spellchecker_submenu_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/spellchecker_submenu_observer.h"
 
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
@@ skipping 95 matching lines @@
   scoped_ptr<TestingProfile> profile_;
 
   DISALLOW_COPY_AND_ASSIGN(MockRenderViewContextMenu);
 };
 
 // A test class used in this file. This test should be a browser test because it
 // accesses resources.
 class SpellCheckerSubMenuObserverTest : public InProcessBrowserTest {
  public:
   SpellCheckerSubMenuObserverTest() {}
-  virtual ~SpellCheckerSubMenuObserverTest() {}
+  ~SpellCheckerSubMenuObserverTest() override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SpellCheckerSubMenuObserverTest);
 };
 
 }  // namespace
 
 // Tests that selecting the "Check Spelling While Typing" item toggles the value
 // of the "browser.enable_spellchecking" profile.
 IN_PROC_BROWSER_TEST_F(SpellCheckerSubMenuObserverTest, ToggleSpelling) {
@@ skipping 14 matching lines @@
   EXPECT_TRUE(menu->IsCommandIdChecked(IDC_CHECK_SPELLING_WHILE_TYPING));
 
   // Select this item and verify that the "Check Spelling While Typing" item is
   // not checked. Also, verify that the value of "browser.enable_spellchecking"
   // is now false.
   menu->ExecuteCommand(IDC_CHECK_SPELLING_WHILE_TYPING, 0);
   EXPECT_FALSE(
       menu->GetPrefs()->GetBoolean(prefs::kEnableContinuousSpellcheck));
   EXPECT_FALSE(menu->IsCommandIdChecked(IDC_CHECK_SPELLING_WHILE_TYPING));
 }