Finch experiment: auto-detect text encoding

third_party/WebKit/Source/core/dom/DocumentEncodingData.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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
 class DocumentEncodingData {
     DISALLOW_NEW();
 public:
     DocumentEncodingData();
     explicit DocumentEncodingData(const TextResourceDecoder&);
 
     const WTF::TextEncoding& encoding() const { return m_encoding; }
     void setEncoding(const WTF::TextEncoding&);
     bool wasDetectedHeuristically() const { return m_wasDetectedHeuristically; }
     bool sawDecodingError() const { return m_sawDecodingError; }
+    bool attemptedToDetermineEncodingFromContentSniffing() const { return m_attemptedToDetermineEncodingFromContentSniffing; }
+    bool encodingWasDetectedFromContentSniffing() const { return m_encodingWasDetectedFromContentSniffing; }
 
 private:
     WTF::TextEncoding m_encoding;
     bool m_wasDetectedHeuristically;
+    bool m_attemptedToDetermineEncodingFromContentSniffing;
+    bool m_encodingWasDetectedFromContentSniffing;
     bool m_sawDecodingError;
 };
 
 template<> struct CrossThreadCopierBase<false, false, false, DocumentEncodingData> : public CrossThreadCopierPassThrough<DocumentEncodingData> {
 };
 
 inline bool operator!=(const DocumentEncodingData& a, const DocumentEncodingData& b)
 {
     return a.encoding() != b.encoding()
         || a.wasDetectedHeuristically() != b.wasDetectedHeuristically()
+        || a.attemptedToDetermineEncodingFromContentSniffing() != b.attemptedToDetermineEncodingFromContentSniffing()
+        || a.encodingWasDetectedFromContentSniffing() != b.encodingWasDetectedFromContentSniffing()
         || a.sawDecodingError() != b.sawDecodingError();
 }
 
 } // namespace blink
 
 #endif // DocumentEncodingData_h