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

Source/modules/websockets/NewWebSocketChannelImpl.cpp

 /*
  * Copyright (C) 2013 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 236 matching lines @@
     WTF_LOG(Network, "NewWebSocketChannelImpl %p suspend()", this);
 }
 
 void NewWebSocketChannelImpl::resume()
 {
     WTF_LOG(Network, "NewWebSocketChannelImpl %p resume()", this);
 }
 
 NewWebSocketChannelImpl::Message::Message(const String& text)
     : type(MessageTypeText)
-    , text(text.utf8(String::StrictConversionReplacingUnpairedSurrogatesWithFFFD)) { }
+    , text(text.utf8(StrictUTF8ConversionReplacingUnpairedSurrogatesWithFFFD)) { }
 
 NewWebSocketChannelImpl::Message::Message(PassRefPtr<BlobDataHandle> blobDataHandle)
     : type(MessageTypeBlob)
     , blobDataHandle(blobDataHandle) { }
 
 NewWebSocketChannelImpl::Message::Message(PassRefPtr<ArrayBuffer> arrayBuffer)
     : type(MessageTypeArrayBuffer)
     , arrayBuffer(arrayBuffer) { }
 
 void NewWebSocketChannelImpl::sendInternal()
@@ skipping 209 matching lines @@
     if (errorCode == FileError::ABORT_ERR) {
         // The error is caused by cancel().
         return;
     }
     // FIXME: Generate human-friendly reason message.
     failAsError("Failed to load Blob: error code = " + String::number(errorCode));
     // |this| can be deleted here.
 }
 
 } // namespace WebCore