Store the Document's encoding on the Document

Source/core/page/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 1433 matching lines @@
     // and possibly repaint because :target pseudo class may have been
     // set (see bug 11321).
     if (!url.hasFragmentIdentifier() && !m_frame->document()->cssTarget())
         return false;
 
     String fragmentIdentifier = url.fragmentIdentifier();
     if (scrollToAnchor(fragmentIdentifier))
         return true;
 
     // Try again after decoding the ref, based on the document's encoding.
-    if (TextResourceDecoder* decoder = m_frame->document()->decoder())
-        return scrollToAnchor(decodeURLEscapeSequences(fragmentIdentifier, decoder->encoding()));
+    if (m_frame->document()->encoding().isValid())
+        return scrollToAnchor(decodeURLEscapeSequences(fragmentIdentifier, m_frame->document()->encoding()));
 
     return false;
 }
 
 bool FrameView::scrollToAnchor(const String& name)
 {
     ASSERT(m_frame->document());
 
     if (!m_frame->document()->haveStylesheetsLoaded()) {
         m_frame->document()->setGotoAnchorNeededAfterStylesheetsLoad(true);
@@ skipping 1894 matching lines @@
 }
 
 AXObjectCache* FrameView::axObjectCache() const
 {
     if (frame() && frame()->document())
         return frame()->document()->existingAXObjectCache();
     return 0;
 }
 
 } // namespace WebCore