Use constexpr TaskTraits constructor in net.

net/url_request/url_request_simple_job.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 "net/url_request/url_request_simple_job.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ skipping 55 matching lines @@
 
 int URLRequestSimpleJob::ReadRawData(IOBuffer* buf, int buf_size) {
   buf_size = std::min(static_cast<int64_t>(buf_size),
                       byte_range_.last_byte_position() - next_data_offset_ + 1);
   if (buf_size == 0)
     return 0;
 
   // Do memory copy asynchronously on a thread that is not the network thread.
   // See crbug.com/422489.
   base::PostTaskWithTraitsAndReply(
-      FROM_HERE, base::TaskTraits().WithShutdownBehavior(
-                     base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN),
+      FROM_HERE, {base::TaskShutdownBehavior::CONTINUE_ON_SHUTDOWN},
       base::Bind(&CopyData, make_scoped_refptr(buf), buf_size, data_,
                  next_data_offset_),
       base::Bind(&URLRequestSimpleJob::ReadRawDataComplete,
                  weak_factory_.GetWeakPtr(), buf_size));
   next_data_offset_ += buf_size;
   return ERR_IO_PENDING;
 }
 
 int URLRequestSimpleJob::GetData(std::string* mime_type,
                                  std::string* charset,
@@ skipping 48 matching lines @@
     next_data_offset_ = byte_range_.first_byte_position();
     set_expected_content_size(byte_range_.last_byte_position() -
                               next_data_offset_ + 1);
     NotifyHeadersComplete();
   } else {
     NotifyStartError(URLRequestStatus(URLRequestStatus::FAILED, result));
   }
 }
 
 }  // namespace net