[CodeHealth] Use Position::anchorNode instead of deprecatedNode.

Source/core/html/HTMLTextFormControlElementTest.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 "config.h"
 #include "core/html/HTMLTextFormControlElement.h"
 
 #include "core/dom/Position.h"
 #include "core/dom/Text.h"
 #include "core/editing/FrameSelection.h"
@@ skipping 139 matching lines @@
 static VisiblePosition endOfWord(const VisiblePosition& position)
 {
     return endOfWord(position, RightWordIfOnBoundary);
 }
 
 void testBoundary(HTMLDocument& document, HTMLTextFormControlElement& textControl)
 {
     for (unsigned i = 0; i < textControl.innerEditorValue().length(); i++) {
         textControl.setSelectionRange(i, i);
         Position position = document.frame()->selection().start();
-        SCOPED_TRACE(::testing::Message() << "offset " << position.deprecatedEditingOffset() << " of " << nodePositionAsStringForTesting(position.deprecatedNode()).ascii().data());
+        SCOPED_TRACE(::testing::Message() << "offset " << position.deprecatedEditingOffset() << " of " << nodePositionAsStringForTesting(position.anchorNode()).ascii().data());
         {
             SCOPED_TRACE("HTMLTextFormControlElement::startOfWord");
             testFunctionEquivalence(position, HTMLTextFormControlElement::startOfWord, startOfWord);
         }
         {
             SCOPED_TRACE("HTMLTextFormControlElement::endOfWord");
             testFunctionEquivalence(position, HTMLTextFormControlElement::endOfWord, endOfWord);
         }
         {
             SCOPED_TRACE("HTMLTextFormControlElement::startOfSentence");
@@ skipping 46 matching lines @@
     ASSERT_EQ(3, input->selectionStart());
 
     OwnPtrWillBePersistent<SpellChecker> spellChecker(SpellChecker::create(page().frame()));
     forceLayoutFlag();
     int startCount = layoutCount();
     spellChecker->respondToChangedSelection(oldSelection, FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle);
     EXPECT_EQ(startCount, layoutCount());
 }
 
 } // namespace blink