Do not normalize into NFC the values of form fields

Source/core/html/FormDataList.cpp

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 14 matching lines @@
 
 namespace WebCore {
 
 FormDataList::FormDataList(const WTF::TextEncoding& c)
     : m_encoding(c)
 {
 }
 
 void FormDataList::appendString(const String& string)
 {
-    CString encodedString = m_encoding.encode(string, WTF::EntitiesForUnencodables);
+    CString encodedString = m_encoding.encode(string, WTF::NoNormalization, WTF::EntitiesForUnencodables);
     m_items.append(normalizeLineEndingsToCRLF(encodedString));
 }
 
 void FormDataList::appendString(const CString& string)
 {
     m_items.append(string);
 }
 
 void FormDataList::appendBlob(PassRefPtr<Blob> blob, const String& filename)
 {
     m_items.append(Item(blob, filename));
 }
 
 } // namespace