Remove USE(ZLIB) guard.

Source/modules/websockets/WebSocketDeflater.cpp

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "WebSocketDeflater.h"
 
-#if USE(ZLIB)
-
 #include "Logging.h"
 #include <wtf/FastMalloc.h>
 #include <wtf/HashMap.h>
 #include <wtf/StdLibExtras.h>
 #include <wtf/StringExtras.h>
 #include <wtf/text/StringHash.h>
 #include <wtf/text/WTFString.h>
 #include <zlib.h>
 
 namespace WebCore {
@@ skipping 163 matching lines @@
     return true;
 }
 
 void WebSocketInflater::reset()
 {
     m_buffer.clear();
 }
 
 } // namespace WebCore
 
-#endif // USE(ZLIB)