Revert of [Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/core/xml/XPathParser.h

 /*
  * Copyright 2005 Maksim Orlovich <maksim@kde.org>
  * Copyright (C) 2006 Apple Computer, Inc.
  *
  * 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.
@@ skipping 48 matching lines @@
     Token(int t, EqTestOp::Opcode v): type(t), eqop(v) { }
 };
 
 class Parser {
     WTF_MAKE_NONCOPYABLE(Parser);
     STACK_ALLOCATED();
 public:
     Parser();
     ~Parser();
 
-    XPathNSResolver* resolver() const;
+    XPathNSResolver* resolver() const { return m_resolver.get(); }
     bool expandQName(const String& qName, AtomicString& localName, AtomicString& namespaceURI);
 
     Expression* parseStatement(const String& statement, XPathNSResolver*, ExceptionState&);
 
     static Parser* current() { return currentParser; }
 
     int lex(void* yylval);
 
     Member<Expression> m_topExpr;
     bool m_gotNamespaceError;
@@ skipping 30 matching lines @@
 
     HashSet<OwnPtr<String>> m_strings;
 };
 
 } // namespace XPath
 
 } // namespace blink
 
 int xpathyyparse(blink::XPath::Parser*);
 #endif