Make non-null VisibleSelections creatable only by createVisibleSelection[Deprecated]

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 2460 matching lines @@
     if (isRootEditableElement(*this)) {
         LocalFrame* frame = document().frame();
         if (!frame)
             return;
 
         // When focusing an editable element in an iframe, don't reset the selection if it already contains a selection.
         if (this == frame->selection().rootEditableElement())
             return;
 
         // FIXME: We should restore the previous selection if there is one.
-        VisibleSelection newSelection = VisibleSelection(firstPositionInOrBeforeNode(this), TextAffinity::Downstream);
+        VisibleSelection newSelection = createVisibleSelectionDeprecated(firstPositionInOrBeforeNode(this), TextAffinity::Downstream);
         // Passing DoNotSetFocus as this function is called after FocusController::setFocusedElement()
         // and we don't want to change the focus to a new Element.
         frame->selection().setSelection(newSelection,  FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle | FrameSelection::DoNotSetFocus);
 
         // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
         // needs to be audited.  See http://crbug.com/590369 for more details.
         document().updateStyleAndLayoutIgnorePendingStylesheets();
 
         frame->selection().revealSelection();
     } else if (layoutObject() && !layoutObject()->isLayoutPart()) {
@@ skipping 1337 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink