Reland: URLRequestJob: change ReadRawData contract

net/url_request/url_request_ftp_job.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.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_
 
 #include <string>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 53 matching lines @@
   // Overridden from URLRequestJob:
   LoadState GetLoadState() const override;
   bool NeedsAuth() override;
   void GetAuthChallengeInfo(
       scoped_refptr<AuthChallengeInfo>* auth_info) override;
   void SetAuth(const AuthCredentials& credentials) override;
   void CancelAuth() override;
 
   // TODO(ibrar):  Yet to give another look at this function.
   UploadProgress GetUploadProgress() const override;
-  bool ReadRawData(IOBuffer* buf, int buf_size, int* bytes_read) override;
+  int ReadRawData(IOBuffer* buf, int buf_size) override;
 
   void HandleAuthNeededResponse();
 
   RequestPriority priority_;
 
   ProxyService* proxy_service_;
   ProxyInfo proxy_info_;
   ProxyService::PacRequest* pac_request_;
 
   FtpRequestInfo ftp_request_info_;
@@ skipping 11 matching lines @@
   FtpAuthCache* ftp_auth_cache_;
 
   base::WeakPtrFactory<URLRequestFtpJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestFtpJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_FTP_JOB_H_