Have Range constructor take a Document reference in argument

Source/web/WebFrameImpl.cpp

 /*
  * Copyright (C) 2009 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 1464 matching lines @@
     if (!frame() || !frame()->page())
         return false;
 
     WebFrameImpl* mainFrameImpl = viewImpl()->mainFrameImpl();
 
     if (!options.findNext)
         frame()->page()->unmarkAllTextMatches();
     else
         setMarkerActive(m_activeMatch.get(), false);
 
-    if (m_activeMatch && m_activeMatch->ownerDocument() != frame()->document())
+    if (m_activeMatch && &m_activeMatch->ownerDocument() != frame()->document())
         m_activeMatch = 0;
 
     // If the user has selected something since the last Find operation we want
     // to start from there. Otherwise, we start searching from where the last Find
     // operation left off (either a Find or a FindNext operation).
     VisibleSelection selection(frame()->selection().selection());
     bool activeSelection = !selection.isNone();
     if (activeSelection) {
         m_activeMatch = selection.firstRange().get();
         frame()->selection().clear();
@@ skipping 982 matching lines @@
 
         // There is a possibility that the frame being detached was the only
         // pending one. We need to make sure final replies can be sent.
         flushCurrentScopingEffort(m_findRequestIdentifier);
 
         cancelPendingScopingEffort();
     }
 }
 
 } // namespace WebKit