HTMLMetaElement should not run script inside ::insertedInto

Source/core/html/HTMLMetaElement-in.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 420 matching lines @@
         return;
     }
 
     if (name != nameAttr)
         HTMLElement::parseAttribute(name, value);
 }
 
 Node::InsertionNotificationRequest HTMLMetaElement::insertedInto(ContainerNode* insertionPoint)
 {
     HTMLElement::insertedInto(insertionPoint);
-    if (insertionPoint->inDocument())
-        process();
-    return InsertionDone;
+    return InsertionShouldCallDidNotifySubtreeInsertions;
+}
+
+void HTMLMetaElement::didNotifySubtreeInsertionsToDocument()
+{
+    process();
 }
 
 static bool inDocumentHead(HTMLMetaElement* element)
 {
     if (!element->inDocument())
         return false;
 
     for (Element* current = element; current; current = current->parentElement()) {
         if (isHTMLHeadElement(*current))
             return true;
@@ skipping 41 matching lines @@
 {
     return getAttribute(http_equivAttr);
 }
 
 const AtomicString& HTMLMetaElement::name() const
 {
     return getNameAttribute();
 }
 
 }