XSSAuditor performance regression in M26

Source/core/html/parser/XSSAuditor.h

 /*
  * Copyright (C) 2011 Adam Barth. 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 41 matching lines @@
     HTMLSourceTracker& sourceTracker;
     bool shouldAllowCDATA;
 };
 
 class XSSAuditor {
     WTF_MAKE_NONCOPYABLE(XSSAuditor);
 public:
     XSSAuditor();
 
     void init(Document*, XSSAuditorDelegate*);
+    void initForFragment();
+
     PassOwnPtr<XSSInfo> filterToken(const FilterTokenRequest&);
     bool isSafeToSendToAnotherThread() const;
 
 private:
     static const size_t kMaximumFragmentLengthTarget = 100;
 
     enum State {
         Uninitialized,
         Initialized
     };
@@ skipping 43 matching lines @@
 
     State m_state;
     String m_cachedDecodedSnippet;
     unsigned m_scriptTagNestingLevel;
     TextEncoding m_encoding;
 };
 
 }
 
 #endif