HTML parser: Add show/toString() debug helper methods

third_party/WebKit/Source/core/html/parser/AtomicHTMLToken.h

 /*
  * Copyright (C) 2013 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 179 matching lines @@
 
     AtomicHTMLToken(HTMLToken::TokenType type, const AtomicString& name, const Vector<Attribute>& attributes = Vector<Attribute>())
         : m_type(type)
         , m_name(name)
         , m_selfClosing(false)
         , m_attributes(attributes)
     {
         ASSERT(usesName());
     }
 
+#ifndef NDEBUG
+    void show() const;
+#endif
+
 private:
     HTMLToken::TokenType m_type;
 
     void initializeAttributes(const HTMLToken::AttributeList& attributes);
     QualifiedName nameForAttribute(const HTMLToken::Attribute&) const;
 
     bool usesName() const;
 
     bool usesAttributes() const;
 
@@ skipping 32 matching lines @@
         const QualifiedName& name = nameForAttribute(attribute);
         // FIXME: This is N^2 for the number of attributes.
         if (!findAttributeInVector(m_attributes, name))
             m_attributes.append(Attribute(name, value));
     }
 }
 
 } // namespace blink
 
 #endif