Remove HTMLShadowElement.

sky/engine/core/dom/shadow/InsertionPoint.cpp

 /*
  * Copyright (C) 2012 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.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 118 matching lines @@
 
 bool InsertionPoint::canBeActive() const
 {
     if (!isInShadowTree())
         return false;
     return !Traversal<InsertionPoint>::firstAncestor(*this);
 }
 
 bool InsertionPoint::isActive() const
 {
-    if (!canBeActive())
-        return false;
-    ShadowRoot* shadowRoot = containingShadowRoot();
-    if (!shadowRoot)
-        return false;
-    if (!isHTMLShadowElement(*this) || shadowRoot->descendantShadowElementCount() <= 1)
-        return true;
-
-    // Slow path only when there are more than one shadow elements in a shadow tree. That should be a rare case.
-    const Vector<RefPtr<InsertionPoint> >& insertionPoints = shadowRoot->descendantInsertionPoints();
-    for (size_t i = 0; i < insertionPoints.size(); ++i) {
-        InsertionPoint* point = insertionPoints[i].get();
-        if (isHTMLShadowElement(*point))
-            return point == this;
-    }
-    return true;
-}
-
-bool InsertionPoint::isShadowInsertionPoint() const
-{
-    return isHTMLShadowElement(*this) && isActive();
+    // FIXME(sky): Remove this.
+    return canBeActive();
 }
 
 bool InsertionPoint::isContentInsertionPoint() const
 {
     return isHTMLContentElement(*this) && isActive();
 }
 
 PassRefPtr<StaticNodeList> InsertionPoint::getDistributedNodes()
 {
     document().updateDistributionForNodeIfNeeded(this);
@@ skipping 97 matching lines @@
         if (!insertionPoints)
             return;
         for (size_t i = 0; i < insertionPoints->size(); ++i)
             results.append(insertionPoints->at(i).get());
         ASSERT(current != insertionPoints->last().get());
         current = insertionPoints->last().get();
     }
 }
 
 } // namespace blink