Demistify DocumentParser::append

Source/core/html/parser/HTMLViewSourceParser.cpp

 /*
  * Copyright (C) 2010 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 45 matching lines @@
         HTMLViewSourceDocument::SourceAnnotation annotation = xssInfo ? HTMLViewSourceDocument::AnnotateSourceAsXSS : HTMLViewSourceDocument::AnnotateSourceAsSafe;
         document()->addSource(m_sourceTracker.sourceForToken(m_token), m_token, annotation);
 
         // FIXME: The tokenizer should do this work for us.
         if (m_token.type() == HTMLToken::StartTag)
             m_tokenizer->updateStateFor(attemptStaticStringCreation(m_token.name(), Likely8Bit));
         m_token.clear();
     }
 }
 
-void HTMLViewSourceParser::append(PassRefPtr<StringImpl> input)
+void HTMLViewSourceParser::append(const String& input)
 {
-    m_input.appendToEnd(String(input));
+    m_input.appendToEnd(input);
     pumpTokenizer();
 }
 
 void HTMLViewSourceParser::finish()
 {
     if (!m_input.haveSeenEndOfFile())
         m_input.markEndOfFile();
     pumpTokenizer();
     document()->finishedParsing();
 }
 
 }