Make Document.charset an alias of characterSet, as per spec

third_party/WebKit/Source/core/page/PageSerializer.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 146 matching lines @@
 void SerializerMarkupAccumulator::appendElement(StringBuilder& result, Element& element, Namespaces* namespaces)
 {
     if (!shouldIgnoreElement(element))
         MarkupAccumulator::appendElement(result, element, namespaces);
 
     // TODO(tiger): Refactor MarkupAccumulator so it is easier to append an element like this, without special cases for XHTML
     if (isHTMLHeadElement(element)) {
         result.appendLiteral("<meta http-equiv=\"Content-Type\" content=\"");
         MarkupFormatter::appendAttributeValue(result, m_document->suggestedMIMEType(), m_document->isHTMLDocument());
         result.appendLiteral("; charset=");
-        MarkupFormatter::appendAttributeValue(result, m_document->charset(), m_document->isHTMLDocument());
+        MarkupFormatter::appendAttributeValue(result, m_document->characterSet(), m_document->isHTMLDocument());
         if (m_document->isXHTMLDocument())
             result.appendLiteral("\" />");
         else
             result.appendLiteral("\">");
     }
 
     // FIXME: For object (plugins) tags and video tag we could replace them by an image of their current contents.
 }
 
 void SerializerMarkupAccumulator::appendCustomAttributes(StringBuilder& result, const Element& element, Namespaces* namespaces)
@@ skipping 393 matching lines @@
 
     return fakeURL;
 }
 
 PageSerializer::Delegate* PageSerializer::delegate()
 {
     return m_delegate.get();
 }
 
 } // namespace blink