Add support for CSS unicod encoding to the text codec.

third_party/WebKit/Source/core/frame/FrameSerializer.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 311 matching lines @@
         }
 
         // Some rules have resources associated with them that we need to retrieve.
         serializeCSSRule(rule);
     }
 
     if (shouldAddURL(url)) {
         WTF::TextEncoding textEncoding(styleSheet.contents()->charset());
         ASSERT(textEncoding.isValid());
         String textString = cssText.toString();
-        CString text = textEncoding.encode(textString, WTF::EntitiesForUnencodables);
+        CString text = textEncoding.encode(textString, WTF::CSSEncodedEntitiesForUnencodables);
         m_resources->append(SerializedResource(url, String("text/css"), SharedBuffer::create(text.data(), text.length())));
         m_resourceURLs.add(url);
     }
 }
 
 void FrameSerializer::serializeCSSRule(CSSRule* rule)
 {
     ASSERT(rule->parentStyleSheet()->ownerDocument());
     Document& document = *rule->parentStyleSheet()->ownerDocument();
 
@@ skipping 136 matching lines @@
             continue;
         }
         emitsMinus = ch == '-';
         builder.append(ch);
     }
     CString escapedUrl = builder.toString().ascii();
     return String::format("saved from url=(%04d)%s", static_cast<int>(escapedUrl.length()), escapedUrl.data());
 }
 
 } // namespace blink