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

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

 /*
  * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009, 2010, 2011 Google 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
@@ skipping 612 matching lines @@
                inline_style->PropertyCount()) {
       SetNodeAttribute(element, styleAttr,
                        AtomicString(new_inline_style->Style()->AsText()));
     }
 
     GetDocument().UpdateStyleAndLayoutIgnorePendingStylesheets();
 
     // FIXME: Tolerate differences in id, class, and style attributes.
     if (element->parentNode() && IsNonTableCellHTMLBlockElement(element) &&
         AreIdenticalElements(*element, *element->parentNode()) &&
-        VisiblePosition::FirstPositionInNode(element->parentNode())
+        VisiblePosition::FirstPositionInNode(*element->parentNode())
                 .DeepEquivalent() ==
-            VisiblePosition::FirstPositionInNode(element).DeepEquivalent() &&
+            VisiblePosition::FirstPositionInNode(*element).DeepEquivalent() &&
         VisiblePosition::LastPositionInNode(element->parentNode())
                 .DeepEquivalent() ==
             VisiblePosition::LastPositionInNode(element).DeepEquivalent()) {
       inserted_nodes.WillRemoveNodePreservingChildren(*element);
       RemoveNodePreservingChildren(element, editing_state);
       if (editing_state->IsAborted())
         return;
       continue;
     }
 
@@ skipping 1364 matching lines @@
   visitor->Trace(start_of_inserted_content_);
   visitor->Trace(end_of_inserted_content_);
   visitor->Trace(insertion_style_);
   visitor->Trace(document_fragment_);
   visitor->Trace(start_of_inserted_range_);
   visitor->Trace(end_of_inserted_range_);
   CompositeEditCommand::Trace(visitor);
 }
 
 }  // namespace blink