Make VisiblePosition::FirstPositionInNode() 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 209 matching lines @@
   if (isHTMLUListElement(*enclosing_element)) {
     ApplyCommandToComposite(
         InsertListCommand::Create(GetDocument(),
                                   InsertListCommand::kUnorderedList),
         editing_state);
     return;
   }
 
   // The selection is inside a blockquote i.e. enclosingNode is a blockquote
   VisiblePosition position_in_enclosing_block =
-      VisiblePosition::FirstPositionInNode(enclosing_element);
+      VisiblePosition::FirstPositionInNode(*enclosing_element);
   // If the blockquote is inline, the start of the enclosing block coincides
   // with positionInEnclosingBlock.
   VisiblePosition start_of_enclosing_block =
       (enclosing_element->GetLayoutObject() &&
        enclosing_element->GetLayoutObject()->IsInline())
           ? position_in_enclosing_block
           : StartOfBlock(position_in_enclosing_block);
   VisiblePosition last_position_in_enclosing_block =
       VisiblePosition::LastPositionInNode(enclosing_element);
   VisiblePosition end_of_enclosing_block =
@@ skipping 179 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