fix a problem that android cannot download files with basic authentication

net/url_request/url_request_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_job.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/message_loop.h"
 #include "base/string_number_conversions.h"
@@ skipping 138 matching lines @@
 }
 
 bool URLRequestJob::IsSafeRedirect(const GURL& location) {
   return true;
 }
 
 bool URLRequestJob::NeedsAuth() {
   return false;
 }
 
+bool URLRequestJob::HasAuth() const {
+  return false;
+}
+
 void URLRequestJob::GetAuthChallengeInfo(
     scoped_refptr<AuthChallengeInfo>* auth_info) {
   // This will only be called if NeedsAuth() returns true, in which
   // case the derived class should implement this!
   NOTREACHED();
 }
 
 void URLRequestJob::SetAuth(const AuthCredentials& credentials) {
   // This will only be called if NeedsAuth() returns true, in which
   // case the derived class should implement this!
@@ skipping 543 matching lines @@
 }
 
 bool URLRequestJob::FilterHasData() {
     return filter_.get() && filter_->stream_data_len();
 }
 
 void URLRequestJob::UpdatePacketReadTimes() {
 }
 
 }  // namespace net