fix a problem that android cannot download files with basic authentication

net/http/http_network_transaction.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/http/http_network_transaction.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 298 matching lines @@
 
   // Reset the other member variables.
   ResetStateForAuthRestart();
 }
 
 bool HttpNetworkTransaction::IsReadyToRestartForAuth() {
   return pending_auth_target_ != HttpAuth::AUTH_NONE &&
       HaveAuth(pending_auth_target_);
 }
 
+bool HttpNetworkTransaction::HasAuth() const {
+  return request_headers_.HasHeader(HttpRequestHeaders::kProxyAuthorization) ||
+      request_headers_.HasHeader(HttpRequestHeaders::kAuthorization);
+}
+
 int HttpNetworkTransaction::Read(IOBuffer* buf, int buf_len,
                                  const CompletionCallback& callback) {
   DCHECK(buf);
   DCHECK_LT(0, buf_len);
 
   State next_state = STATE_NONE;
 
   scoped_refptr<HttpResponseHeaders> headers(GetResponseHeaders());
   if (headers_valid_ && headers.get() && stream_request_.get()) {
     // We're trying to read the body of the response but we're still trying
@@ skipping 1132 matching lines @@
       description = base::StringPrintf("Unknown state 0x%08X (%u)", state,
                                        state);
       break;
   }
   return description;
 }
 
 #undef STATE_CASE
 
 }  // namespace net