Make websocket error messages look better at the devtools console.

Source/modules/websockets/WebSocket.cpp

 /*
  * Copyright (C) 2011 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 25 matching lines @@
 #include "core/dom/Document.h"
 #include "core/dom/Event.h"
 #include "core/dom/EventException.h"
 #include "core/dom/EventListener.h"
 #include "core/dom/EventNames.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/MessageEvent.h"
 #include "core/dom/ScriptExecutionContext.h"
 #include "core/fileapi/Blob.h"
 #include "core/inspector/ScriptCallStack.h"
+#include "core/page/ConsoleTypes.h"
 #include "core/page/ContentSecurityPolicy.h"
 #include "core/page/DOMWindow.h"
 #include "core/page/Frame.h"
 #include "core/page/SecurityOrigin.h"
 #include "core/platform/Logging.h"
 #include "core/platform/network/BlobData.h"
 #include "modules/websockets/CloseEvent.h"
 #include "modules/websockets/WebSocketChannel.h"
 #include "wtf/ArrayBuffer.h"
 #include "wtf/ArrayBufferView.h"
@@ skipping 329 matching lines @@
             scriptExecutionContext()->addConsoleMessage(JSMessageSource, ErrorMessageLevel, "WebSocket close message is too long.");
             ec = SYNTAX_ERR;
             return;
         }
     }
 
     if (m_state == CLOSING || m_state == CLOSED)
         return;
     if (m_state == CONNECTING) {
         m_state = CLOSING;
-        m_channel->fail("WebSocket is closed before the connection is established.");
+        m_channel->fail("WebSocket is closed before the connection is established.", WarningMessageLevel);
         return;
     }
     m_state = CLOSING;
     if (m_channel)
         m_channel->close(code, reason);
 }
 
 const KURL& WebSocket::url() const
 {
     return m_url;
@@ skipping 191 matching lines @@
     static const size_t minimumPayloadSizeWithEightByteExtendedPayloadLength = 0x10000;
     size_t overhead = hybiBaseFramingOverhead + hybiMaskingKeyLength;
     if (payloadSize >= minimumPayloadSizeWithEightByteExtendedPayloadLength)
         overhead += 8;
     else if (payloadSize >= minimumPayloadSizeWithTwoByteExtendedPayloadLength)
         overhead += 2;
     return overhead;
 }
 
 } // namespace WebCore