WebSocket object should fire error event when WebSocket server can't be connected.

Source/core/platform/network/SocketStreamErrorBase.cpp

 /*
  * Copyright (C) 2009 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 15 matching lines @@
  * 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 "SocketStreamError.h"
 
 namespace WebCore {
 
-SocketStreamError SocketStreamErrorBase::copy() const
-{
-    SocketStreamError errorCopy;
-    errorCopy.m_errorCode = m_errorCode;
-    return errorCopy;
-}
-
 bool SocketStreamErrorBase::compare(const SocketStreamError& a, const SocketStreamError& b)
 {
     if (a.isNull() && b.isNull())
         return true;
 
     if (a.isNull() || b.isNull())
         return false;
 
     if (a.errorCode() != b.errorCode())
         return false;
 
     if (a.failingURL() != b.failingURL())
         return false;
 
     if (a.localizedDescription() != b.localizedDescription())
         return false;
 
     return true;
 }
 
 }  // namespace WebCore