Remove use of WebNode/WebElement in translate_helper

third_party/WebKit/Source/web/WebDocument.cpp

 /*
  * Copyright (C) 2009 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 74 matching lines @@
 }
 
 WebString WebDocument::encoding() const {
   return constUnwrap<Document>()->encodingName();
 }
 
 WebString WebDocument::contentLanguage() const {
   return constUnwrap<Document>()->contentLanguage();
 }
 
+WebString WebDocument::documentLanguage() const {
+  return constUnwrap<Document>()->documentLanguage();
+}
+
+WebVector<WebString> WebDocument::getMetaValues(WebString name) const {
+  return constUnwrap<Document>()->getMetaValues(name);
+}
+
 WebString WebDocument::referrer() const {
   return constUnwrap<Document>()->referrer();
 }
 
 WebColor WebDocument::themeColor() const {
   return constUnwrap<Document>()->themeColor().rgb();
 }
 
 WebURL WebDocument::openSearchDescriptionURL() const {
   return const_cast<Document*>(constUnwrap<Document>())
@@ skipping 191 matching lines @@
 WebDocument& WebDocument::operator=(Document* elem) {
   m_private = elem;
   return *this;
 }
 
 WebDocument::operator Document*() const {
   return toDocument(m_private.get());
 }
 
 }  // namespace blink