Update from https://crrev.com/309717

net/url_request/url_request_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 "build/build_config.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shlobj.h>
 #endif
@@ skipping 600 matching lines @@
     default_context_.set_net_log(&net_log_);
     job_factory_impl_ = new URLRequestJobFactoryImpl();
     job_factory_.reset(job_factory_impl_);
   }
 
   ~URLRequestTest() override {
     // URLRequestJobs may post clean-up tasks on destruction.
     base::RunLoop().RunUntilIdle();
   }
 
-  virtual void SetUp() {
+  void SetUp() override {
     SetUpFactory();
     default_context_.set_job_factory(job_factory_.get());
     default_context_.Init();
     PlatformTest::SetUp();
   }
 
   virtual void SetUpFactory() {
     job_factory_impl_->SetProtocolHandler("data", new DataProtocolHandler);
 #if !defined(DISABLE_FILE_SUPPORT)
     job_factory_impl_->SetProtocolHandler(
@@ skipping 8185 matching lines @@
 
     EXPECT_FALSE(r->is_pending());
     EXPECT_EQ(1, d->response_started_count());
     EXPECT_FALSE(d->received_data_before_response());
     EXPECT_EQ(d->bytes_received(), static_cast<int>(file_size));
   }
 }
 #endif  // !defined(DISABLE_FTP_SUPPORT)
 
 }  // namespace net