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

Source/core/editing/IndentOutdentCommand.cpp

 /*
  * Copyright (C) 2006, 2008 Apple 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 39 matching lines @@
 
 IndentOutdentCommand::IndentOutdentCommand(Document& document, EIndentType typeOfAction)
     : ApplyBlockElementCommand(document, blockquoteTag, "margin: 0 0 0 40px; border: none; padding: 0px;")
     , m_typeOfAction(typeOfAction)
 {
 }
 
 bool IndentOutdentCommand::tryIndentingAsListItem(const Position& start, const Position& end)
 {
     // If our selection is not inside a list, bail out.
-    RefPtrWillBeRawPtr<Node> lastNodeInSelectedParagraph = start.deprecatedNode();
+    RefPtrWillBeRawPtr<Node> lastNodeInSelectedParagraph = start.anchorNode();
     RefPtrWillBeRawPtr<HTMLElement> listElement = enclosingList(lastNodeInSelectedParagraph.get());
     if (!listElement)
         return false;
 
     // Find the block that we want to indent.  If it's not a list item (e.g., a div inside a list item), we bail out.
     RefPtrWillBeRawPtr<Element> selectedListItem = enclosingBlock(lastNodeInSelectedParagraph.get());
 
     // FIXME: we need to deal with the case where there is no li (malformed HTML)
     if (!isHTMLLIElement(selectedListItem))
         return false;
@@ skipping 106 matching lines @@
         visibleStartOfParagraph = VisiblePosition(visibleStartOfParagraph.deepEquivalent());
         visibleEndOfParagraph = VisiblePosition(visibleEndOfParagraph.deepEquivalent());
         if (visibleStartOfParagraph.isNotNull() && !isStartOfParagraph(visibleStartOfParagraph))
             insertNodeAt(createBreakElement(document()), visibleStartOfParagraph.deepEquivalent());
         if (visibleEndOfParagraph.isNotNull() && !isEndOfParagraph(visibleEndOfParagraph))
             insertNodeAt(createBreakElement(document()), visibleEndOfParagraph.deepEquivalent());
 
         return;
     }
     RefPtrWillBeRawPtr<Node> splitBlockquoteNode = enclosingElement;
-    if (Element* enclosingBlockFlow = enclosingBlock(visibleStartOfParagraph.deepEquivalent().deprecatedNode())) {
+    if (Element* enclosingBlockFlow = enclosingBlock(visibleStartOfParagraph.deepEquivalent().anchorNode())) {
         if (enclosingBlockFlow != enclosingElement) {
             splitBlockquoteNode = splitTreeToNode(enclosingBlockFlow, enclosingElement, true);
         } else {
             // We split the blockquote at where we start outdenting.
             Node* highestInlineNode = highestEnclosingNodeOfType(visibleStartOfParagraph.deepEquivalent(), isInline, CannotCrossEditingBoundary, enclosingBlockFlow);
-            splitElement(enclosingElement, highestInlineNode ? highestInlineNode : visibleStartOfParagraph.deepEquivalent().deprecatedNode());
+            splitElement(enclosingElement, highestInlineNode ? highestInlineNode : visibleStartOfParagraph.deepEquivalent().anchorNode());
         }
     }
     VisiblePosition startOfParagraphToMove(startOfParagraph(visibleStartOfParagraph));
     VisiblePosition endOfParagraphToMove(endOfParagraph(visibleEndOfParagraph));
     if (startOfParagraphToMove.isNull() || endOfParagraphToMove.isNull())
         return;
     RefPtrWillBeRawPtr<HTMLBRElement> placeholder = createBreakElement(document());
     insertNodeBefore(placeholder, splitBlockquoteNode);
     moveParagraph(startOfParagraphToMove, endOfParagraphToMove, VisiblePosition(positionBeforeNode(placeholder.get())), true);
 }
@@ skipping 45 matching lines @@
 
 void IndentOutdentCommand::formatRange(const Position& start, const Position& end, const Position&, RefPtrWillBeRawPtr<HTMLElement>& blockquoteForNextIndent)
 {
     if (tryIndentingAsListItem(start, end))
         blockquoteForNextIndent = nullptr;
     else
         indentIntoBlockquote(start, end, blockquoteForNextIndent);
 }
 
 }