Fix problems with cross-origin redirects.

Source/core/platform/network/ResourceHandleTypes.h

 /*
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef ResourceHandleTypes_h
 #define ResourceHandleTypes_h
 
 namespace WebCore {
 
 enum StoredCredentials {
     AllowStoredCredentials,
     DoNotAllowStoredCredentials
 };
 
+// APIs like XMLHttpRequest and EventSource let the user decide
+// whether to send credentials, but they're always sent for
+// same-origin requests. Additional information is needed to handle
+// cross-origin redirects correctly.
+enum CredentialRequest {
+    ClientRequestedCredentials,
+    ClientDidNotRequestCredentials
+};
+
 } // namespace WebCore
 
 #endif // ResourceHandleTypes_h