Make Position::BeforeNode() to take const Node& instead of Node*

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

 /*
  * Copyright (C) 2007, 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 78 matching lines @@
 PositionIteratorAlgorithm<Strategy>::DeprecatedComputePosition() const {
   // TODO(yoichio): Share code to check domTreeVersion with EphemeralRange.
   DCHECK(IsValid());
   if (node_after_position_in_anchor_) {
     DCHECK_EQ(Strategy::Parent(*node_after_position_in_anchor_), anchor_node_);
     DCHECK_NE(offsets_in_anchor_node_[depth_to_anchor_node_], kInvalidOffset);
     // FIXME: This check is inadaquete because any ancestor could be ignored by
     // editing
     if (EditingIgnoresContent(
             *Strategy::Parent(*node_after_position_in_anchor_)))
-      return PositionTemplate<Strategy>::BeforeNode(anchor_node_);
+      return PositionTemplate<Strategy>::BeforeNode(*anchor_node_);
     return PositionTemplate<Strategy>(
         anchor_node_, offsets_in_anchor_node_[depth_to_anchor_node_]);
   }
   if (Strategy::HasChildren(*anchor_node_))
     return PositionTemplate<Strategy>::LastPositionInOrAfterNode(anchor_node_);
   return PositionTemplate<Strategy>::EditingPositionOf(anchor_node_,
                                                        offset_in_anchor_);
 }
 
 template <typename Strategy>
@@ skipping 261 matching lines @@
     return false;
   return Strategy::HasChildren(*anchor_node_) ||
          offset_in_anchor_ >= Strategy::LastOffsetForEditing(anchor_node_);
 }
 
 template class CORE_TEMPLATE_EXPORT PositionIteratorAlgorithm<EditingStrategy>;
 template class CORE_TEMPLATE_EXPORT
     PositionIteratorAlgorithm<EditingInFlatTreeStrategy>;
 
 }  // namespace blink