Get rid of unused functions VisibleSelection::setBase and setExtent taking Position

third_party/WebKit/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 120 matching lines @@
     builder.setBaseAndExtent(m_base, m_extent);
   return builder.setAffinity(m_affinity)
       .setGranularity(m_granularity)
       .setIsDirectional(m_isDirectional)
       .setHasTrailingWhitespace(m_hasTrailingWhitespace)
       .build();
 }
 
 template <typename Strategy>
 void VisibleSelectionTemplate<Strategy>::setBase(
-    const PositionTemplate<Strategy>& position) {
-  DCHECK(!needsLayoutTreeUpdate(position));
-  m_base = position;
-  validate();
-}
-
-template <typename Strategy>
-void VisibleSelectionTemplate<Strategy>::setBase(
     const VisiblePositionTemplate<Strategy>& visiblePosition) {
   DCHECK(visiblePosition.isValid());
   m_base = visiblePosition.deepEquivalent();
   validate();
 }
 
 template <typename Strategy>
 void VisibleSelectionTemplate<Strategy>::setExtent(
-    const PositionTemplate<Strategy>& position) {
-  DCHECK(!needsLayoutTreeUpdate(position));
-  m_extent = position;
-  validate();
-}
-
-template <typename Strategy>
-void VisibleSelectionTemplate<Strategy>::setExtent(
     const VisiblePositionTemplate<Strategy>& visiblePosition) {
   DCHECK(visiblePosition.isValid());
   m_extent = visiblePosition.deepEquivalent();
   validate();
 }
 
 EphemeralRange firstEphemeralRangeOf(const VisibleSelection& selection) {
   if (selection.isNone())
     return EphemeralRange();
   Position start = selection.start().parentAnchoredEquivalent();
@@ skipping 678 matching lines @@
 
 void showTree(const blink::VisibleSelectionInFlatTree& sel) {
   sel.showTreeForThis();
 }
 
 void showTree(const blink::VisibleSelectionInFlatTree* sel) {
   if (sel)
     sel->showTreeForThis();
 }
 #endif