fix a problem that android cannot download files with basic authentication

net/url_request/url_request_ftp_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_ftp_job.h"
 
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "net/base/auth.h"
@@ skipping 303 matching lines @@
   if (!ftp_transaction_)
     return false;
 
   // Note that we only have to worry about cases where an actual FTP server
   // requires auth (and not a proxy), because connecting to FTP via proxy
   // effectively means the browser communicates via HTTP, and uses HTTP's
   // Proxy-Authenticate protocol when proxy servers require auth.
   return server_auth_ && server_auth_->state == AUTH_STATE_NEED_AUTH;
 }
 
+bool URLRequestFtpJob::HasAuth() const {
+  return server_auth_ && server_auth_->state == AUTH_STATE_HAVE_AUTH;
+}
+
 void URLRequestFtpJob::GetAuthChallengeInfo(
     scoped_refptr<AuthChallengeInfo>* result) {
   DCHECK((server_auth_ != NULL) &&
          (server_auth_->state == AUTH_STATE_NEED_AUTH));
   scoped_refptr<AuthChallengeInfo> auth_info(new AuthChallengeInfo);
   auth_info->is_proxy = false;
   auth_info->challenger = HostPortPair::FromURL(request_->url());
   // scheme and realm are kept empty.
   DCHECK(auth_info->scheme.empty());
   DCHECK(auth_info->realm.empty());
@@ skipping 52 matching lines @@
   if (rv == ERR_IO_PENDING) {
     read_in_progress_ = true;
     SetStatus(URLRequestStatus(URLRequestStatus::IO_PENDING, 0));
   } else {
     NotifyDone(URLRequestStatus(URLRequestStatus::FAILED, rv));
   }
   return false;
 }
 
 }  // namespace net