Remove use of deprecated MessageLoop methods in content.

content/public/test/test_download_request_handler.cc

 // Copyright 2015 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/public/test/test_download_request_handler.h"
 
 #include <inttypes.h>
 
 #include <memory>
 #include <utility>
 
+#include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.h"
 #include "base/run_loop.h"
 #include "base/sequenced_task_runner.h"
+#include "base/single_thread_task_runner.h"
 #include "base/strings/stringprintf.h"
 #include "base/threading/sequenced_task_runner_handle.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/io_buffer.h"
 #include "net/http/http_request_headers.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request_filter.h"
 #include "net/url_request/url_request_interceptor.h"
 
 namespace content {
 
 // Intercepts URLRequests on behalf of TestDownloadRequestHandler. Necessarily
@@ skipping 453 matching lines @@
   // prevents injecting an error at offset 0, it makes it much easier to set up
   // parameter sets for download resumption. It means that when a request is
   // interrupted at offset O, a subsequent request for the range O-<end> won't
   // immediately interrupt as well. If we don't exclude interruptions at
   // relative offset 0, then test writers would need to reset the parameter
   // prior to each resumption rather than once at the beginning of the test.
   while (!parameters_->injected_errors.empty() &&
          parameters_->injected_errors.front().offset <= requested_range_begin_)
     parameters_->injected_errors.pop();
 
-  base::MessageLoop::current()->PostTask(
+  base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&PartialResponseJob::NotifyHeadersComplete,
                             weak_factory_.GetWeakPtr()));
 }
 
 // static
 base::WeakPtr<TestDownloadRequestHandler::Interceptor>
 TestDownloadRequestHandler::Interceptor::Register(
     const GURL& url,
     scoped_refptr<base::SequencedTaskRunner> client_task_runner) {
   DCHECK(url.is_valid());
@@ skipping 180 matching lines @@
   base::RunLoop run_loop;
   BrowserThread::PostTaskAndReply(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&Interceptor::GetAndResetCompletedRequests, interceptor_,
                  requests),
       run_loop.QuitClosure());
   run_loop.Run();
 }
 
 }  // namespace content