Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/extension_warning_badge_service_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 "chrome/browser/extensions/extension_warning_badge_service.h"
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/global_error/global_error_service.h"
 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
 #include "chrome/test/base/testing_profile.h"
 #include "extensions/browser/warning_service.h"
 #include "extensions/browser/warning_set.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 
 namespace {
 
 class TestExtensionWarningSet : public WarningService {
  public:
   explicit TestExtensionWarningSet(Profile* profile) : WarningService(profile) {
   }
-  virtual ~TestExtensionWarningSet() {}
+  ~TestExtensionWarningSet() override {}
 
   void AddWarning(const Warning& warning) {
     WarningSet warnings;
     warnings.insert(warning);
     AddWarnings(warnings);
   }
 };
 
 class TestExtensionWarningBadgeService : public ExtensionWarningBadgeService {
  public:
   TestExtensionWarningBadgeService(Profile* profile,
                                    WarningService* warning_service)
       : ExtensionWarningBadgeService(profile),
         warning_service_(warning_service) {}
-  virtual ~TestExtensionWarningBadgeService() {}
+  ~TestExtensionWarningBadgeService() override {}
 
-  virtual const std::set<Warning>&
-  GetCurrentWarnings() const override {
+  const std::set<Warning>& GetCurrentWarnings() const override {
     return warning_service_->warnings();
   }
 
  private:
   WarningService* warning_service_;
 };
 
 bool HasBadge(Profile* profile) {
   GlobalErrorService* service =
       GlobalErrorServiceFactory::GetForProfile(profile);
@@ skipping 33 matching lines @@
   EXPECT_FALSE(HasBadge(&profile));
 
   // Set second warning and verify that it shows a badge.
   warnings.AddWarning(Warning::CreateNetworkConflictWarning(ext2_id));
   EXPECT_TRUE(HasBadge(&profile));
 
   warnings.RemoveObserver(&badge_service);
 }
 
 }   // namespace extensions