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

third_party/WebKit/Source/core/editing/commands/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 315 matching lines @@
   InsertNodeBefore(placeholder, split_blockquote_node, editing_state);
   if (editing_state->IsAborted())
     return;
 
   GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets();
   start_of_paragraph_to_move = CreateVisiblePosition(
       start_of_paragraph_to_move.ToPositionWithAffinity());
   end_of_paragraph_to_move =
       CreateVisiblePosition(end_of_paragraph_to_move.ToPositionWithAffinity());
   MoveParagraph(start_of_paragraph_to_move, end_of_paragraph_to_move,
-                VisiblePosition::BeforeNode(placeholder), editing_state,
+                VisiblePosition::BeforeNode(*placeholder), editing_state,
                 kPreserveSelection);
 }
 
 // FIXME: We should merge this function with
 // ApplyBlockElementCommand::formatSelection
 void IndentOutdentCommand::OutdentRegion(
     const VisiblePosition& start_of_selection,
     const VisiblePosition& end_of_selection,
     EditingState* editing_state) {
   VisiblePosition end_of_current_paragraph = EndOfParagraph(start_of_selection);
@@ skipping 73 matching lines @@
   else
     IndentIntoBlockquote(start, end, blockquote_for_next_indent, editing_state);
 }
 
 InputEvent::InputType IndentOutdentCommand::GetInputType() const {
   return type_of_action_ == kIndent ? InputEvent::InputType::kFormatIndent
                                     : InputEvent::InputType::kFormatOutdent;
 }
 
 }  // namespace blink