Add ascii() / latin1() / utf8() methods to AtomicString to avoid having to call string()

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 446 matching lines @@
 void WebSocket::closeInternal(int code, const String& reason, ExceptionState& exceptionState)
 {
     if (code == WebSocketChannel::CloseEventCodeNotSpecified) {
         WTF_LOG(Network, "WebSocket %p close() without code and reason", this);
     } else {
         WTF_LOG(Network, "WebSocket %p close() code=%d reason='%s'", this, code, reason.utf8().data());
         if (!(code == WebSocketChannel::CloseEventCodeNormalClosure || (WebSocketChannel::CloseEventCodeMinimumUserDefined <= code && code <= WebSocketChannel::CloseEventCodeMaximumUserDefined))) {
             exceptionState.throwDOMException(InvalidAccessError, "The code must be either 1000, or between 3000 and 4999. " + String::number(code) + " is neither.");
             return;
         }
-        CString utf8 = reason.utf8(String::StrictConversionReplacingUnpairedSurrogatesWithFFFD);
+        CString utf8 = reason.utf8(StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD);
         if (utf8.length() > maxReasonSizeInBytes) {
             exceptionState.throwDOMException(SyntaxError, "The message must not be greater than " + String::number(maxReasonSizeInBytes) + " bytes.");
             return;
         }
     }
 
     if (m_state == CLOSING || m_state == CLOSED)
         return;
     if (m_state == CONNECTING) {
         m_state = CLOSING;
@@ skipping 205 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