Limit parallel download to http GET requests.

content/browser/download/download_create_info.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 "content/browser/download/download_create_info.h"
 
 #include <string>
 
 #include "base/format_macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/stringprintf.h"
 #include "net/http/http_response_headers.h"
 
 namespace content {
 
 DownloadCreateInfo::DownloadCreateInfo(
     const base::Time& start_time,
     const net::NetLogWithSource& net_log,
     std::unique_ptr<DownloadSaveInfo> save_info)
     : download_id(DownloadItem::kInvalidId),
       start_time(start_time),
       total_bytes(0),
       offset(0),
       has_user_gesture(false),
       transient(false),
       result(DOWNLOAD_INTERRUPT_REASON_NONE),
       save_info(std::move(save_info)),
       request_net_log(net_log),
       accept_range(false),
-      connection_info(net::HttpResponseInfo::CONNECTION_INFO_UNKNOWN) {}
+      connection_info(net::HttpResponseInfo::CONNECTION_INFO_UNKNOWN),
+      method("GET") {}
 
 DownloadCreateInfo::DownloadCreateInfo()
     : DownloadCreateInfo(base::Time(),
                          net::NetLogWithSource(),
                          base::WrapUnique(new DownloadSaveInfo)) {}
 
 DownloadCreateInfo::~DownloadCreateInfo() {}
 
 const GURL& DownloadCreateInfo::url() const {
   return url_chain.empty() ? GURL::EmptyGURL() : url_chain.back();
 }
 
 }  // namespace content