Get rid of createVisibleSelection() taking one Position

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)
  *
@@ skipping 2617 matching lines @@
     // 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;
 
     // TODO(xiaochengh): The use of updateStyleAndLayoutIgnorePendingStylesheets
     // needs to be audited.  See http://crbug.com/590369 for more details.
     document().updateStyleAndLayoutIgnorePendingStylesheets();
 
     // FIXME: We should restore the previous selection if there is one.
-    VisibleSelection newSelection = createVisibleSelection(
-        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);
+    frame->selection().setSelection(
+        SelectionInDOMTree::Builder()
+            .collapse(firstPositionInOrBeforeNode(this))
+            .build(),
+        FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle |
+            FrameSelection::DoNotSetFocus);
     frame->selection().revealSelection();
   } else if (layoutObject() && !layoutObject()->isLayoutPart()) {
     layoutObject()->scrollRectToVisible(boundingBox());
   }
 }
 
 void Element::blur() {
   cancelFocusAppearanceUpdate();
   if (adjustedFocusedElementInTreeScope() == this) {
     Document& doc = document();
@@ skipping 1419 matching lines @@
 }
 
 DEFINE_TRACE_WRAPPERS(Element) {
   if (hasRareData()) {
     visitor->traceWrappers(elementRareData());
   }
   ContainerNode::traceWrappers(visitor);
 }
 
 }  // namespace blink