Move static member function normalizeRange() out from VisibleSelection

Source/core/editing/VisibleSelection.cpp

 /*
  * Copyright (C) 2004, 2005, 2006 Apple Computer, 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 212 matching lines @@
 
 PassRefPtrWillBeRawPtr<Range> firstRangeOf(const VisibleSelection& selection)
 {
     if (selection.isNone())
         return nullptr;
     Position start = selection.start().parentAnchoredEquivalent();
     Position end = selection.end().parentAnchoredEquivalent();
     return Range::create(*start.document(), start, end);
 }
 
-template <typename Strategy>
-static EphemeralRangeTemplate<Strategy> normalizeRangeAlgorithm(const EphemeralRangeTemplate<Strategy>& range)
-{
-    ASSERT(range.isNotNull());
-    range.document().updateLayoutIgnorePendingStylesheets();
-
-    // TODO(yosin) We should not call |parentAnchoredEquivalent()|, it is
-    // redundant.
-    const PositionAlgorithm<Strategy> normalizedStart = mostForwardCaretPosition(range.startPosition()).parentAnchoredEquivalent();
-    const PositionAlgorithm<Strategy> normalizedEnd = mostBackwardCaretPosition(range.endPosition()).parentAnchoredEquivalent();
-    // The order of the positions of |start| and |end| can be swapped after
-    // upstream/downstream. e.g. editing/pasteboard/copy-display-none.html
-    if (normalizedStart.compareTo(normalizedEnd) > 0)
-        return EphemeralRangeTemplate<Strategy>(normalizedEnd, normalizedStart);
-    return EphemeralRangeTemplate<Strategy>(normalizedStart, normalizedEnd);
-}
-
-EphemeralRange VisibleSelection::normalizeRange(const EphemeralRange& range)
-{
-    return normalizeRangeAlgorithm<EditingStrategy>(range);
-}
-
-EphemeralRangeInComposedTree VisibleSelection::normalizeRange(const EphemeralRangeInComposedTree& range)
-{
-    return normalizeRangeAlgorithm<EditingInComposedTreeStrategy>(range);
-}
-
 EphemeralRange VisibleSelection::toNormalizedEphemeralRange() const
 {
     if (isNone())
         return EphemeralRange();
 
     // Make sure we have an updated layout since this function is called
     // in the course of running edit commands which modify the DOM.
     // Failing to call this can result in equivalentXXXPosition calls returning
     // incorrect results.
     m_start.document()->updateLayout();
@@ skipping 977 matching lines @@
     sel.showTreeForThis();
 }
 
 void showTree(const blink::VisibleSelection* sel)
 {
     if (sel)
         sel->showTreeForThis();
 }
 
 #endif