Remove PLATFORM(BLACKBERRY) support.

Source/WebCore/platform/network/ResourceHandleInternal.h

 /*
  * Copyright (C) 2004, 2006 Apple Computer, 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 206 matching lines @@
 #if PLATFORM(QT)
         QNetworkReplyHandler* m_job;
 #endif
 
 #if PLATFORM(MAC)
         // We need to keep a reference to the original challenge to be able to cancel it.
         // It is almost identical to m_currentWebChallenge.nsURLAuthenticationChallenge(), but has a different sender.
         NSURLAuthenticationChallenge *m_currentMacChallenge;
 #endif
         AuthenticationChallenge m_currentWebChallenge;
-#if PLATFORM(BLACKBERRY)
-        // We need to store the credentials for host and proxy separately for the platform
-        // networking layer. One of these will always be equal to m_currentWebChallenge.
-        AuthenticationChallenge m_hostWebChallenge;
-        AuthenticationChallenge m_proxyWebChallenge;
-#endif
-
         ResourceHandle::FailureType m_scheduledFailureType;
         Timer<ResourceHandle> m_failureTimer;
     };
 
 } // namespace WebCore
 
 #endif // ResourceHandleInternal_h