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

Source/core/editing/InsertLineBreakCommand.cpp

 /*
  * Copyright (C) 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 43 matching lines @@
     return true;
 }
 
 // Whether we should insert a break element or a '\n'.
 bool InsertLineBreakCommand::shouldUseBreakElement(const Position& insertionPos)
 {
     // An editing position like [input, 0] actually refers to the position before
     // the input element, and in that case we need to check the input element's
     // parent's layoutObject.
     Position p(insertionPos.parentAnchoredEquivalent());
-    return p.deprecatedNode()->layoutObject() && !p.deprecatedNode()->layoutObject()->style()->preserveNewline();
+    return p.anchorNode()->layoutObject() && !p.anchorNode()->layoutObject()->style()->preserveNewline();
 }
 
 void InsertLineBreakCommand::doApply()
 {
     deleteSelection();
     VisibleSelection selection = endingSelection();
     if (!selection.isNonOrphanedCaretOrRange())
         return;
 
     VisiblePosition caret(selection.visibleStart());
@@ skipping 10 matching lines @@
 
     RefPtrWillBeRawPtr<Node> nodeToInsert = nullptr;
     if (shouldUseBreakElement(pos))
         nodeToInsert = createBreakElement(document());
     else
         nodeToInsert = document().createTextNode("\n");
 
     // FIXME: Need to merge text nodes when inserting just after or before text.
 
     if (isEndOfParagraph(caret) && !lineBreakExistsAtVisiblePosition(caret)) {
-        bool needExtraLineBreak = !isHTMLHRElement(*pos.deprecatedNode()) && !isHTMLTableElement(*pos.deprecatedNode());
+        bool needExtraLineBreak = !isHTMLHRElement(*pos.anchorNode()) && !isHTMLTableElement(*pos.anchorNode());
 
         insertNodeAt(nodeToInsert.get(), pos);
 
         if (needExtraLineBreak)
             insertNodeBefore(nodeToInsert->cloneNode(false), nodeToInsert);
 
         VisiblePosition endingPosition(positionBeforeNode(nodeToInsert.get()));
         setEndingSelection(VisibleSelection(endingPosition, endingSelection().isDirectional()));
-    } else if (pos.deprecatedEditingOffset() <= caretMinOffset(pos.deprecatedNode())) {
+    } else if (pos.deprecatedEditingOffset() <= caretMinOffset(pos.anchorNode())) {
         insertNodeAt(nodeToInsert.get(), pos);
 
         // Insert an extra br or '\n' if the just inserted one collapsed.
         if (!isStartOfParagraph(VisiblePosition(positionBeforeNode(nodeToInsert.get()))))
             insertNodeBefore(nodeToInsert->cloneNode(false).get(), nodeToInsert.get());
 
         setEndingSelection(VisibleSelection(positionInParentAfterNode(*nodeToInsert), DOWNSTREAM, endingSelection().isDirectional()));
     // If we're inserting after all of the rendered text in a text node, or into a non-text node,
     // a simple insertion is sufficient.
-    } else if (pos.deprecatedEditingOffset() >= caretMaxOffset(pos.deprecatedNode()) || !pos.deprecatedNode()->isTextNode()) {
+    } else if (pos.deprecatedEditingOffset() >= caretMaxOffset(pos.anchorNode()) || !pos.anchorNode()->isTextNode()) {
         insertNodeAt(nodeToInsert.get(), pos);
         setEndingSelection(VisibleSelection(positionInParentAfterNode(*nodeToInsert), DOWNSTREAM, endingSelection().isDirectional()));
-    } else if (pos.deprecatedNode()->isTextNode()) {
+    } else if (pos.anchorNode()->isTextNode()) {
         // Split a text node
-        Text* textNode = toText(pos.deprecatedNode());
+        Text* textNode = toText(pos.anchorNode());
         splitTextNode(textNode, pos.deprecatedEditingOffset());
         insertNodeBefore(nodeToInsert, textNode);
         Position endingPosition = firstPositionInNode(textNode);
 
         // Handle whitespace that occurs after the split
         document().updateLayoutIgnorePendingStylesheets();
         if (!endingPosition.isRenderedCharacter()) {
             Position positionBeforeTextNode(positionInParentBeforeNode(*textNode));
             // Clear out all whitespace and insert one non-breaking space
             deleteInsignificantTextDownstream(endingPosition);
@@ skipping 27 matching lines @@
         // before the line break (if the line break is at the end of a block it isn't selectable).
         // So, this next call sets the endingSelection() to a caret just after the line break
         // that we inserted, or just before it if it's at the end of a block.
         setEndingSelection(endingSelection().visibleEnd());
     }
 
     rebalanceWhitespace();
 }
 
 }