fix a problem that android cannot download files with basic authentication

net/http/http_cache_transaction.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 declares HttpCache::Transaction, a private class of HttpCache so
 // it should only be included by http_cache.cc
 
 #ifndef NET_HTTP_HTTP_CACHE_TRANSACTION_H_
 #define NET_HTTP_HTTP_CACHE_TRANSACTION_H_
 
@@ skipping 98 matching lines @@
                     const CompletionCallback& callback,
                     const BoundNetLog& net_log) OVERRIDE;
   virtual int RestartIgnoringLastError(
       const CompletionCallback& callback) OVERRIDE;
   virtual int RestartWithCertificate(
       X509Certificate* client_cert,
       const CompletionCallback& callback) OVERRIDE;
   virtual int RestartWithAuth(const AuthCredentials& credentials,
                               const CompletionCallback& callback) OVERRIDE;
   virtual bool IsReadyToRestartForAuth() OVERRIDE;
+  virtual bool HasAuth() const OVERRIDE;
   virtual int Read(IOBuffer* buf,
                    int buf_len,
                    const CompletionCallback& callback) OVERRIDE;
   virtual void StopCaching() OVERRIDE;
   virtual void DoneReading() OVERRIDE;
   virtual const HttpResponseInfo* GetResponseInfo() const OVERRIDE;
   virtual LoadState GetLoadState() const OVERRIDE;
   virtual UploadProgress GetUploadProgress(void) const OVERRIDE;
   virtual bool GetLoadTimingInfo(
       LoadTimingInfo* load_timing_info) const OVERRIDE;
@@ skipping 316 matching lines @@
   // For sensitivity analysis, the simulated increase in cache service times,
   // in percent.
   int sensitivity_analysis_percent_increase_;
 
   HttpTransactionDelegate* transaction_delegate_;
 };
 
 }  // namespace net
 
 #endif  // NET_HTTP_HTTP_CACHE_TRANSACTION_H_