fix a problem that android cannot download files with basic authentication

net/url_request/url_request_http_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_HTTP_JOB_H_
 #define NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 90 matching lines @@
   virtual bool GetMimeType(std::string* mime_type) const OVERRIDE;
   virtual bool GetCharset(std::string* charset) OVERRIDE;
   virtual void GetResponseInfo(HttpResponseInfo* info) OVERRIDE;
   virtual void GetLoadTimingInfo(
       LoadTimingInfo* load_timing_info) const OVERRIDE;
   virtual bool GetResponseCookies(std::vector<std::string>* cookies) OVERRIDE;
   virtual int GetResponseCode() const OVERRIDE;
   virtual Filter* SetupFilter() const OVERRIDE;
   virtual bool IsSafeRedirect(const GURL& location) OVERRIDE;
   virtual bool NeedsAuth() OVERRIDE;
+  virtual bool HasAuth() const OVERRIDE;
   virtual void GetAuthChallengeInfo(scoped_refptr<AuthChallengeInfo>*) OVERRIDE;
   virtual void SetAuth(const AuthCredentials& credentials) OVERRIDE;
   virtual void CancelAuth() OVERRIDE;
   virtual void ContinueWithCertificate(X509Certificate* client_cert) OVERRIDE;
   virtual void ContinueDespiteLastError() OVERRIDE;
   virtual bool ReadRawData(IOBuffer* buf, int buf_size,
                            int* bytes_read) OVERRIDE;
   virtual void StopCaching() OVERRIDE;
   virtual void DoneReading() OVERRIDE;
   virtual HostPortPair GetSocketAddress() const OVERRIDE;
@@ skipping 138 matching lines @@
   scoped_ptr<HttpTransactionDelegateImpl> http_transaction_delegate_;
 
   const HttpUserAgentSettings* http_user_agent_settings_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestHttpJob);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_HTTP_JOB_H_