Remove isUnclippedDescendant.

Source/core/testing/Internals.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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.
@@ skipping 1554 matching lines @@
     RenderLayer* layer1 = toRenderBox(renderer1)->layer();
     RenderLayer* layer2 = toRenderBox(renderer2)->layer();
     if (!layer1 || !layer2) {
         exceptionState.throwDOMException(InvalidAccessError, String::format("No render layer can be obtained from the %s provided element.", layer1 ? "second" : "first"));
         return 0;
     }
 
     return layer1->scrollsWithRespectTo(layer2);
 }
 
-bool Internals::isUnclippedDescendant(Element* element, ExceptionState& exceptionState)
-{
-    ASSERT(element);
-    element->document().view()->updateLayoutAndStyleForPainting();
-
-    RenderObject* renderer = element->renderer();
-    if (!renderer || !renderer->isBox()) {
-        exceptionState.throwDOMException(InvalidAccessError, renderer ? "The provided element's renderer is not a box." : "The provided element has no renderer.");
-        return 0;
-    }
-
-    RenderLayer* layer = toRenderBox(renderer)->layer();
-    if (!layer) {
-        exceptionState.throwDOMException(InvalidAccessError, "No render layer can be obtained from the provided element.");
-        return 0;
-    }
-
-    return layer->isUnclippedDescendant();
-}
-
 String Internals::layerTreeAsText(Document* document, unsigned flags, ExceptionState& exceptionState) const
 {
     ASSERT(document);
     if (!document->frame()) {
         exceptionState.throwDOMException(InvalidAccessError, "The document provided is invalid.");
         return String();
     }
 
     document->view()->updateLayoutAndStyleForPainting();
 
@@ skipping 705 matching lines @@
     }
     toHTMLPlugInElement(element)->setPlaceholder(DictionaryPluginPlaceholder::create(element->document(), options));
 }
 
 Iterator* Internals::iterator(ScriptState* scriptState, ExceptionState& exceptionState)
 {
     return new InternalsIterator;
 }
 
 } // namespace blink