Cross shadow DOM boundaries for :-webkit-full-screen-ancestor

third_party/WebKit/Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 3119 matching lines @@
     setAttribute(attributeName, AtomicString::number(value));
 }
 
 void Element::setContainsFullScreenElement(bool flag)
 {
     setElementFlag(ContainsFullScreenElement, flag);
     document().styleEngine().ensureFullscreenUAStyle();
     pseudoStateChanged(CSSSelector::PseudoFullScreenAncestor);
 }
 
-// Unlike Node::parentNode, this can cross frame boundaries.
+// Unlike Node::parentOrShadowHostElement, this can cross frame boundaries.
 static Element* nextAncestorElement(Element* element)
 {
     DCHECK(element);
-    if (element->parentElement())
-        return element->parentElement();
+    if (element->parentOrShadowHostElement())
+        return element->parentOrShadowHostElement();
 
     Frame* frame = element->document().frame();
     if (!frame || !frame->owner())
         return nullptr;
 
     // Find the next LocalFrame on the ancestor chain, and return the
     // corresponding <iframe> element for the remote child if it exists.
     while (frame->tree().parent() && frame->tree().parent()->isRemoteFrame())
         frame = frame->tree().parent();
 
@@ skipping 662 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink