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

net/http/http_auth_handler_basic.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/http/http_auth_handler_basic.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/i18n/icu_string_conversions.h"
@@ skipping 68 matching lines @@
   // is for a different realm, then indicate the realm change.
   std::string realm;
   if (!ParseRealm(*challenge, &realm))
     return HttpAuth::AUTHORIZATION_RESULT_INVALID;
   return (realm_ != realm)?
       HttpAuth::AUTHORIZATION_RESULT_DIFFERENT_REALM:
       HttpAuth::AUTHORIZATION_RESULT_REJECT;
 }
 
 int HttpAuthHandlerBasic::GenerateAuthTokenImpl(
-    const string16* username,
-    const string16* password,
+    const AuthCredentials* credentials,
     const HttpRequestInfo*,
     OldCompletionCallback*,
     std::string* auth_token) {
+  DCHECK(credentials);
   // TODO(eroman): is this the right encoding of username/password?
   std::string base64_username_password;
-  if (!base::Base64Encode(UTF16ToUTF8(*username) + ":" + UTF16ToUTF8(*password),
-                          &base64_username_password)) {
+  if (!base::Base64Encode(
+          UTF16ToUTF8(credentials->username()) + ":" +
+          UTF16ToUTF8(credentials->password()),
+          &base64_username_password)) {
     LOG(ERROR) << "Unexpected problem Base64 encoding.";
     return ERR_UNEXPECTED;
   }
   *auth_token = "Basic " + base64_username_password;
   return OK;
 }
 
 HttpAuthHandlerBasic::Factory::Factory() {
 }
 
@@ skipping 11 matching lines @@
   // TODO(cbentzel): Move towards model of parsing in the factory
   //                 method and only constructing when valid.
   scoped_ptr<HttpAuthHandler> tmp_handler(new HttpAuthHandlerBasic());
   if (!tmp_handler->InitFromChallenge(challenge, target, origin, net_log))
     return ERR_INVALID_RESPONSE;
   handler->swap(tmp_handler);
   return OK;
 }
 
 }  // namespace net