Considering HTMLTokenizer state in HTMLSourceTracker

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

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * 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
@@ skipping 162 matching lines @@
   State getState() const { return m_state; }
   void setState(State state) { m_state = state; }
 
   inline bool shouldSkipNullCharacters() const {
     return !m_forceNullCharacterReplacement &&
            (m_state == HTMLTokenizer::DataState ||
             m_state == HTMLTokenizer::RCDATAState ||
             m_state == HTMLTokenizer::RAWTEXTState);
   }
 
+  inline static bool isEndTagBufferingState(HTMLTokenizer::State state) {
+    switch (state) {
+      case HTMLTokenizer::RCDATAEndTagOpenState:
+      case HTMLTokenizer::RCDATAEndTagNameState:
+      case HTMLTokenizer::RAWTEXTEndTagOpenState:
+      case HTMLTokenizer::RAWTEXTEndTagNameState:
+      case HTMLTokenizer::ScriptDataEndTagOpenState:
+      case HTMLTokenizer::ScriptDataEndTagNameState:
+      case HTMLTokenizer::ScriptDataEscapedEndTagOpenState:
+      case HTMLTokenizer::ScriptDataEscapedEndTagNameState:
+        return true;
+      default:
+        return false;
+    }
+  }
+
  private:
   explicit HTMLTokenizer(const HTMLParserOptions&);
 
   inline bool processEntity(SegmentedString&);
 
   inline void parseError();
 
   inline void bufferCharacter(UChar character) {
     ASSERT(character != kEndOfFileMarker);
     m_token->ensureIsCharacterToken();
@@ skipping 69 matching lines @@
   // token (e.g., when lexing script). We buffer the name of the end tag
   // token here so we remember it next time we re-enter the tokenizer.
   Vector<LChar, 32> m_bufferedEndTagName;
 
   HTMLParserOptions m_options;
 };
 
 }  // namespace blink
 
 #endif