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

content/browser/service_worker/service_worker_registration_unittest.cc

 // Copyright 2013 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/service_worker/service_worker_registration.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 33 matching lines @@
   }
 
   class RegistrationListener : public ServiceWorkerRegistration::Listener {
    public:
     RegistrationListener() {}
     ~RegistrationListener() {
       if (observed_registration_.get())
         observed_registration_->RemoveListener(this);
     }
 
-    virtual void OnVersionAttributesChanged(
+    void OnVersionAttributesChanged(
         ServiceWorkerRegistration* registration,
         ChangedVersionAttributesMask changed_mask,
         const ServiceWorkerRegistrationInfo& info) override {
       observed_registration_ = registration;
       observed_changed_mask_ = changed_mask;
       observed_info_ = info;
     }
 
-    virtual void OnRegistrationFailed(
+    void OnRegistrationFailed(
         ServiceWorkerRegistration* registration) override {
       NOTREACHED();
     }
 
-    virtual void OnRegistrationFinishedUninstalling(
+    void OnRegistrationFinishedUninstalling(
         ServiceWorkerRegistration* registration) override {
       NOTREACHED();
     }
 
-    virtual void OnUpdateFound(
-        ServiceWorkerRegistration* registration) override {
+    void OnUpdateFound(ServiceWorkerRegistration* registration) override {
       NOTREACHED();
     }
 
     void Reset() {
       observed_registration_ = NULL;
       observed_changed_mask_ = ChangedVersionAttributesMask();
       observed_info_ = ServiceWorkerRegistrationInfo();
     }
 
     scoped_refptr<ServiceWorkerRegistration> observed_registration_;
@@ skipping 88 matching lines @@
   scoped_ptr<ServiceWorkerRegistrationHandle> handle(
       new ServiceWorkerRegistrationHandle(context_ptr_,
                                           NULL,
                                           kProviderId,
                                           registration.get()));
   registration->NotifyRegistrationFailed();
   // Don't crash when handle gets destructed.
 }
 
 }  // namespace content