Move Node::isBlockFlowElement() to htmlediting.h

Source/core/editing/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 838 matching lines @@
          m_endOfInsertedContent = endingSelection().visibleEnd().deepEquivalent();
         // If we merged text nodes, m_endOfInsertedContent could be null. If this is the case, we use m_startOfInsertedContent.
         if (m_endOfInsertedContent.isNull())
             m_endOfInsertedContent = m_startOfInsertedContent;
     }
 }
 
 static Node* enclosingInline(Node* node)
 {
     while (ContainerNode* parent = node->parentNode()) {
-        if (parent->isBlockFlowElement() || isHTMLBodyElement(*parent))
+        if (isBlockFlowElement(*parent) || isHTMLBodyElement(*parent))
             return node;
         // Stop if any previous sibling is a block.
         for (Node* sibling = node->previousSibling(); sibling; sibling = sibling->previousSibling()) {
-            if (sibling->isBlockFlowElement())
+            if (isBlockFlowElement(*sibling))
                 return node;
         }
         node = parent;
     }
     return node;
 }
 
 static bool isInlineNodeWithStyle(const Node* node)
 {
     // We don't want to skip over any block elements.
@@ skipping 655 matching lines @@
 void ReplaceSelectionCommand::trace(Visitor* visitor)
 {
     visitor->trace(m_startOfInsertedContent);
     visitor->trace(m_endOfInsertedContent);
     visitor->trace(m_insertionStyle);
     visitor->trace(m_documentFragment);
     CompositeEditCommand::trace(visitor);
 }
 
 } // namespace blink