Standardize usage of virtual/override/final in content/browser/

content/browser/notification_service_impl_unittest.cc

 // Copyright (c) 2011 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 "content/browser/notification_service_impl.h"
 
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_types.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 
 namespace {
 
 // Bogus class to act as a NotificationSource for the messages.
 class TestSource {};
 
 class TestObserver : public NotificationObserver {
  public:
   TestObserver() : notification_count_(0) {}
 
   int notification_count() const { return notification_count_; }
 
-  virtual void Observe(int type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details) override {
+  void Observe(int type,
+               const NotificationSource& source,
+               const NotificationDetails& details) override {
     ++notification_count_;
   }
 
  private:
   int notification_count_;
 };
 
 const int kNotification1 = 1;
 const int kNotification2 = 2;
 
@@ skipping 126 matching lines @@
   registrar_.Remove(&idle_test_source, NOTIFICATION_ALL,
                     Source<TestSource>(&test_source));
 
   service->Notify(kNotification1,
                   Source<TestSource>(&test_source),
                   NotificationService::NoDetails());
   EXPECT_EQ(3, idle_test_source.notification_count());
 }
 
 }  // namespace content