Move innerHTML and outerHTML to Element

Source/core/editing/markup.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009, 2010, 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Igalia S.L.
  * Copyright (C) 2011 Motorola Mobility. 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
@@ skipping 1055 matching lines @@
 
     if (containerNode->hasOneChild()) {
         containerNode->replaceChild(textNode.release(), containerNode->firstChild(), es);
         return;
     }
 
     containerNode->removeChildren();
     containerNode->appendChild(textNode.release(), es);
 }
 
+void mergeWithNextTextNode(PassRefPtr<Node> node, ExceptionState& es)
+{
+    ASSERT(node && node->isTextNode());
+    Node* next = node->nextSibling();
+    if (!next || !next->isTextNode())
+        return;
+
+    RefPtr<Text> textNode = toText(node.get());
+    RefPtr<Text> textNext = toText(next);
+    textNode->appendData(textNext->data());
+    if (textNext->parentNode()) // Might have been removed by mutation event.
+        textNext->remove(es);
 }
+
+}