Standardize usage of virtual/override/final specifiers.

content/browser/service_worker/service_worker_dispatcher_host_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_dispatcher_host.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/run_loop.h"
 #include "content/browser/browser_thread_impl.h"
@@ skipping 38 matching lines @@
  protected:
   EmbeddedWorkerTestHelper* helper_;
   ~TestingServiceWorkerDispatcherHost() override {}
 };
 
 class ServiceWorkerDispatcherHostTest : public testing::Test {
  protected:
   ServiceWorkerDispatcherHostTest()
       : browser_thread_bundle_(TestBrowserThreadBundle::IO_MAINLOOP) {}
 
-  virtual void SetUp() {
+  void SetUp() override {
     helper_.reset(new EmbeddedWorkerTestHelper(kRenderProcessId));
     dispatcher_host_ = new TestingServiceWorkerDispatcherHost(
         kRenderProcessId, context_wrapper(), &resource_context_, helper_.get());
   }
 
-  virtual void TearDown() {
-    helper_.reset();
-  }
+  void TearDown() override { helper_.reset(); }
 
   ServiceWorkerContextCore* context() { return helper_->context(); }
   ServiceWorkerContextWrapper* context_wrapper() {
     return helper_->context_wrapper();
   }
 
   void SendRegister(int64 provider_id, GURL pattern, GURL worker_url) {
     dispatcher_host_->OnMessageReceived(
         ServiceWorkerHostMsg_RegisterServiceWorker(
             -1, -1, provider_id, pattern, worker_url));
@@ skipping 295 matching lines @@
 
   // Let the shutdown reach the simulated IO thread.
   base::RunLoop().RunUntilIdle();
 
   GetRegistration(-1,
                   GURL(),
                   ServiceWorkerMsg_ServiceWorkerGetRegistrationError::ID);
 }
 
 }  // namespace content