CANCELED: Make ComputeNodeBeforePosition() to return const Node*

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

 /*
  * Copyright (C) 2004, 2005, 2006, 2009 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 225 matching lines @@
 }
 
 template <typename Strategy>
 int PositionTemplate<Strategy>::ComputeEditingOffset() const {
   if (IsAfterAnchorOrAfterChildren())
     return Strategy::LastOffsetForEditing(anchor_node_.Get());
   return offset_;
 }
 
 template <typename Strategy>
-Node* PositionTemplate<Strategy>::ComputeNodeBeforePosition() const {
+const Node* PositionTemplate<Strategy>::ComputeNodeBeforePosition() const {
   if (!anchor_node_)
     return 0;
   switch (AnchorType()) {
     case PositionAnchorType::kBeforeChildren:
       return 0;
     case PositionAnchorType::kAfterChildren:
       return Strategy::LastChild(*anchor_node_);
     case PositionAnchorType::kOffsetInAnchor:
       return offset_ ? Strategy::ChildAt(*anchor_node_, offset_ - 1) : 0;
     case PositionAnchorType::kBeforeAnchor:
@@ skipping 454 matching lines @@
 }
 
 void showTree(const blink::Position* pos) {
   if (pos)
     pos->ShowTreeForThis();
   else
     LOG(INFO) << "Cannot showTree for <null>";
 }
 
 #endif