Make VisiblePosition::LastPositionInNode() to take const Node& instead of Node*

third_party/WebKit/Source/core/editing/commands/DeleteSelectionCommand.cpp

 /*
  * Copyright (C) 2005 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 32 matching lines @@
 #include "core/layout/LayoutTableCell.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 static bool IsTableCellEmpty(Node* cell) {
   DCHECK(cell);
   DCHECK(IsTableCell(cell)) << cell;
   return VisiblePosition::FirstPositionInNode(*cell).DeepEquivalent() ==
-         VisiblePosition::LastPositionInNode(cell).DeepEquivalent();
+         VisiblePosition::LastPositionInNode(*cell).DeepEquivalent();
 }
 
 static bool IsTableRowEmpty(Node* row) {
   if (!isHTMLTableRowElement(row))
     return false;
 
   row->GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets();
   for (Node* child = row->firstChild(); child; child = child->nextSibling()) {
     if (IsTableCell(child) && !IsTableCellEmpty(child))
       return false;
@@ skipping 449 matching lines @@
 
   GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets();
   if (node == start_block_) {
     VisiblePosition previous = PreviousPositionOf(
         VisiblePosition::FirstPositionInNode(*start_block_.Get()));
     if (previous.IsNotNull() && !IsEndOfBlock(previous))
       need_placeholder_ = true;
   }
   if (node == end_block_) {
     VisiblePosition next =
-        NextPositionOf(VisiblePosition::LastPositionInNode(end_block_.Get()));
+        NextPositionOf(VisiblePosition::LastPositionInNode(*end_block_.Get()));
     if (next.IsNotNull() && !IsStartOfBlock(next))
       need_placeholder_ = true;
   }
 
   // FIXME: Update the endpoints of the range being deleted.
   ending_position_ = ComputePositionForNodeRemoval(ending_position_, *node);
   leading_whitespace_ =
       ComputePositionForNodeRemoval(leading_whitespace_, *node);
   trailing_whitespace_ =
       ComputePositionForNodeRemoval(trailing_whitespace_, *node);
@@ skipping 714 matching lines @@
   visitor->Trace(delete_into_blockquote_style_);
   visitor->Trace(start_root_);
   visitor->Trace(end_root_);
   visitor->Trace(start_table_row_);
   visitor->Trace(end_table_row_);
   visitor->Trace(temporary_placeholder_);
   CompositeEditCommand::Trace(visitor);
 }
 
 }  // namespace blink