Use AuthCredentials throughout the network stack instead of username/password.

net/url_request/url_request_test_util.cc

 // Copyright (c) 2011 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_test_util.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/threading/thread.h"
@@ skipping 177 matching lines @@
     *defer_redirect = true;
     MessageLoop::current()->PostTask(FROM_HERE, new MessageLoop::QuitTask());
   } else if (cancel_in_rr_) {
     request->Cancel();
   }
 }
 
 void TestDelegate::OnAuthRequired(net::URLRequest* request,
                                   net::AuthChallengeInfo* auth_info) {
   auth_required_ = true;
-  if (!username_.empty() || !password_.empty()) {
-    request->SetAuth(username_, password_);
+  if (!credentials_.Empty()) {
+    request->SetAuth(credentials_);
   } else {
     request->CancelAuth();
   }
 }
 
 void TestDelegate::OnSSLCertificateError(net::URLRequest* request,
                                          const net::SSLInfo& ssl_info,
                                          bool is_hsts_host) {
   // The caller can control whether it needs all SSL requests to go through,
   // independent of any possible errors, or whether it wants SSL errors to
@@ skipping 277 matching lines @@
   event_order_[req_id] += "OnAuthRequired\n";
   EXPECT_TRUE(next_states_[req_id] & kStageAuthRequired) <<
       event_order_[req_id];
   next_states_[req_id] = kStageBeforeSendHeaders |
       kStageHeadersReceived |  // Request canceled by delegate simulates empty
                                // response.
       kStageResponseStarted |  // data: URLs do not trigger sending headers
       kStageBeforeRedirect;  // a delegate can trigger a redirection
   return net::NetworkDelegate::AUTH_REQUIRED_RESPONSE_NO_ACTION;
 }