Remove some childTypeAllowed implementations

Source/core/dom/shadow/ShadowRoot.cpp

 /*
  * Copyright (C) 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 130 matching lines @@
 {
     if (isOrphan()) {
         exceptionState.throwDOMException(InvalidAccessError, "The ShadowRoot does not have a host.");
         return;
     }
 
     if (RefPtr<DocumentFragment> fragment = createFragmentForInnerOuterHTML(markup, host(), AllowScriptingContent, "innerHTML", exceptionState))
         replaceChildrenWithFragment(this, fragment.release(), exceptionState);
 }
 
-bool ShadowRoot::childTypeAllowed(NodeType type) const
-{
-    switch (type) {
-    case ELEMENT_NODE:
-    case PROCESSING_INSTRUCTION_NODE:
-    case COMMENT_NODE:
-    case TEXT_NODE:
-    case CDATA_SECTION_NODE:
-        return true;
-    default:
-        return false;
-    }
-}
-
 void ShadowRoot::recalcStyle(StyleRecalcChange change)
 {
     // ShadowRoot doesn't support custom callbacks.
     ASSERT(!hasCustomStyleCallbacks());
 
     // If we're propagating an Inherit change and this ShadowRoot resets
     // inheritance we don't need to look at the children.
     if (change <= Inherit && resetStyleInheritance() && !needsStyleRecalc() && !childNeedsStyleRecalc())
         return;
 
@@ skipping 241 matching lines @@
 
 StyleSheetList* ShadowRoot::styleSheets()
 {
     if (!ensureShadowRootRareData()->styleSheets())
         m_shadowRootRareData->setStyleSheets(StyleSheetList::create(this));
 
     return m_shadowRootRareData->styleSheets();
 }
 
 }