Standardize usage of virtual/override/final specifiers.

extensions/browser/api/sockets_tcp/sockets_tcp_api_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 "base/values.h"
 #include "content/public/test/test_browser_context.h"
 #include "extensions/browser/api/api_resource_manager.h"
 #include "extensions/browser/api/socket/socket.h"
 #include "extensions/browser/api/socket/tcp_socket.h"
 #include "extensions/browser/api/sockets_tcp/sockets_tcp_api.h"
 #include "extensions/browser/api_unittest.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace extensions {
 namespace core_api {
 
 static KeyedService* ApiResourceManagerTestFactory(
     content::BrowserContext* context) {
   content::BrowserThread::ID id;
   CHECK(content::BrowserThread::GetCurrentThreadIdentifier(&id));
   return ApiResourceManager<
       ResumableTCPSocket>::CreateApiResourceManagerForTest(context, id);
 }
 
 class SocketsTcpUnitTest : public ApiUnitTest {
  public:
-  virtual void SetUp() {
+  void SetUp() override {
     ApiUnitTest::SetUp();
 
     ApiResourceManager<ResumableTCPSocket>::GetFactoryInstance()
         ->SetTestingFactoryAndUse(browser_context(),
                                   ApiResourceManagerTestFactory);
   }
 };
 
 TEST_F(SocketsTcpUnitTest, Create) {
   // Get BrowserThread
   content::BrowserThread::ID id;
   CHECK(content::BrowserThread::GetCurrentThreadIdentifier(&id));
 
   // Create SocketCreateFunction and put it on BrowserThread
   SocketsTcpCreateFunction* function = new SocketsTcpCreateFunction();
   function->set_work_thread_id(id);
 
   // Run tests
   scoped_ptr<base::DictionaryValue> result(RunFunctionAndReturnDictionary(
       function, "[{\"persistent\": true, \"name\": \"foo\"}]"));
   ASSERT_TRUE(result.get());
 }
 
 }  // namespace core_api
 }  // namespace extensions