Update from https://crrev.com/312600

net/url_request/url_fetcher_impl.h

 // 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.
 
 // This file contains URLFetcher, a wrapper around URLRequest that handles
 // low-level details like thread safety, ref counting, and incremental buffer
 // reading.  This is useful for callers who simply want to get the data from a
 // URL and don't care about all the nitty-gritty details.
 //
 // NOTE(willchan): Only one "IO" thread is supported for URLFetcher.  This is a
@@ skipping 27 matching lines @@
 
   // URLFetcher implementation:
   void SetUploadData(const std::string& upload_content_type,
                      const std::string& upload_content) override;
   void SetUploadFilePath(
       const std::string& upload_content_type,
       const base::FilePath& file_path,
       uint64 range_offset,
       uint64 range_length,
       scoped_refptr<base::TaskRunner> file_task_runner) override;
+  void SetUploadStreamFactory(
+      const std::string& upload_content_type,
+      const CreateUploadStreamCallback& callback) override;
   void SetChunkedUpload(const std::string& upload_content_type) override;
   void AppendChunkToUpload(const std::string& data,
                            bool is_last_chunk) override;
   void SetLoadFlags(int load_flags) override;
   int GetLoadFlags() const override;
   void SetReferrer(const std::string& referrer) override;
   void SetReferrerPolicy(URLRequest::ReferrerPolicy referrer_policy) override;
   void SetExtraRequestHeaders(
       const std::string& extra_request_headers) override;
   void AddExtraRequestHeader(const std::string& header_line) override;
@@ skipping 58 matching lines @@
   static int GetNumFetcherCores();
 
   const scoped_refptr<URLFetcherCore> core_;
 
   DISALLOW_COPY_AND_ASSIGN(URLFetcherImpl);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_FETCHER_IMPL_H_