Moved text decoding to the parser thread

Source/core/dom/Document.cpp

Index: Source/core/dom/Document.cpp
diff --git a/Source/core/dom/Document.cpp b/Source/core/dom/Document.cpp
index 2a4a412ec22528fa4e3280dfea6a55815e2fdae9..550aaf37db67d0e51336e5435a0ca09779ce9616 100644
--- a/Source/core/dom/Document.cpp
+++ b/Source/core/dom/Document.cpp
@@ -1107,7 +1107,7 @@ void Document::setCharset(const String& charset)
     if (!encoding.isValid())
         return;
     DocumentEncodingData newEncodingData = m_encodingData;
-    newEncodingData.encoding = encoding;
+    newEncodingData.setEncoding(encoding);
     setEncodingData(newEncodingData);
 }
 
@@ -3975,13 +3975,13 @@ void Document::setEncodingData(const DocumentEncodingData& newData)
     // document's title so that the user doesn't see an incorrectly decoded title
     // in the title bar.
     if (m_titleElement
-        && encoding() != newData.encoding
+        && encoding() != newData.encoding()
         && !m_titleElement->firstElementChild()
         && encoding() == Latin1Encoding()
         && m_titleElement->textContent().containsOnlyLatin1()) {
 
         CString originalBytes = m_titleElement->textContent().latin1();
-        OwnPtr<TextCodec> codec = newTextCodec(newData.encoding);
+        OwnPtr<TextCodec> codec = newTextCodec(newData.encoding());
         String correctlyDecodedTitle = codec->decode(originalBytes.data(), originalBytes.length(), true);
         m_titleElement->setTextContent(correctlyDecodedTitle, IGNORE_EXCEPTION);
     }