Get rid of useless function VisibleSelection::updateIfNeeded()

third_party/WebKit/Source/core/editing/VisibleSelectionTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/editing/VisibleSelection.h"
 
 #include "core/dom/Range.h"
 #include "core/editing/EditingTestBase.h"
 #include "core/editing/SelectionAdjuster.h"
 
@@ skipping 461 matching lines @@
                                  .collapse(Position(sample->firstChild(), 0))
                                  .build());
   EXPECT_EQ(Position(sample->firstChild(), 0), selection.start());
 
   // Simulates modifying DOM tree to invalidate distribution.
   Element* host = document().getElementById("host");
   host->appendChild(sample);
   document().updateStyleAndLayout();
 
   // Simulates to restore selection from undo stack.
-  selection.updateIfNeeded();
+  selection = createVisibleSelection(selection.asSelection());
   EXPECT_EQ(Position(sample->firstChild(), 0), selection.start());
 }
 
 }  // namespace blink