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

Source/core/html/HTMLTextFormControlElementTest.cpp

Index: Source/core/html/HTMLTextFormControlElementTest.cpp
diff --git a/Source/core/html/HTMLTextFormControlElementTest.cpp b/Source/core/html/HTMLTextFormControlElementTest.cpp
index e439da9c23228c8c79bf9e7b11b92c99d653e2ce..3b861714865b72da1054594211a016dff072b96b 100644
--- a/Source/core/html/HTMLTextFormControlElementTest.cpp
+++ b/Source/core/html/HTMLTextFormControlElementTest.cpp
@@ -157,7 +157,7 @@ void testBoundary(HTMLDocument& document, HTMLTextFormControlElement& textContro
     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);