Do not use ScopedTaskEnvironment::RunUntilIdle() in URLRequestSimpleJobTest.

net/url_request/url_request_simple_job_unittest.cc

 // Copyright 2014 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 "net/url_request/url_request_simple_job.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/sequenced_task_runner.h"
 #include "base/strings/string_piece.h"
 #include "base/strings/stringprintf.h"
-#include "base/test/scoped_task_environment.h"
 #include "net/base/request_priority.h"
 #include "net/test/gtest_util.h"
-#include "net/test/net_test_suite.h"
 #include "net/traffic_annotation/network_traffic_annotation_test_helper.h"
 #include "net/url_request/url_request_job.h"
 #include "net/url_request/url_request_job_factory.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 #include "net/url_request/url_request_test_util.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using net::test::IsError;
 using net::test::IsOk;
@@ skipping 181 matching lines @@
   EXPECT_EQ(1, delegate_.response_started_count());
 }
 
 TEST_F(URLRequestSimpleJobTest, CancelAfterFirstReadStarted) {
   CancelAfterFirstReadURLRequestDelegate cancel_delegate;
   request_ =
       context_.CreateRequest(GURL("data:cancel"), DEFAULT_PRIORITY,
                              &cancel_delegate, TRAFFIC_ANNOTATION_FOR_TESTS);
   request_->Start();
   cancel_delegate.WaitUntilHeadersReceived();
-
-  // Run TaskScheduler tasks and their reply on the main thread.
-  NetTestSuite::GetScopedTaskEnvironment()->RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   EXPECT_THAT(cancel_delegate.request_status(), IsError(ERR_ABORTED));
   EXPECT_EQ(1, cancel_delegate.response_started_count());
   EXPECT_EQ("", cancel_delegate.data_received());
   // Destroy the request so it doesn't outlive its delegate.
   request_.reset();
 }
 
 }  // namespace net