Merge 123180 - Introduce Node::shadowHost()

Source/WebCore/html/shadow/CalendarPickerElement.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 63 matching lines @@
     ASSERT(!m_popup);
 }
 
 RenderObject* CalendarPickerElement::createRenderer(RenderArena* arena, RenderStyle*)
 {
     return new (arena) RenderDetailsMarker(this);
 }
 
 inline HTMLInputElement* CalendarPickerElement::hostInput()
 {
-    ASSERT(shadowAncestorNode());
-    ASSERT(shadowAncestorNode()->hasTagName(inputTag));
-    return static_cast<HTMLInputElement*>(shadowAncestorNode());
+    // JavaScript code can't create CalendarPickerElement objects. This is
+    // always in shadow of <input>.
+    ASSERT(shadowHost());
+    ASSERT(shadowHost()->hasTagName(inputTag));
+    return static_cast<HTMLInputElement*>(shadowHost());
 }
 
 void CalendarPickerElement::defaultEventHandler(Event* event)
 {
     if (!renderer())
         return;
     HTMLInputElement* input = hostInput();
     if (input->readOnly() || input->disabled())
         return;
 
@@ skipping 155 matching lines @@
 }
 
 void CalendarPickerElement::didClosePopup()
 {
     m_popup = 0;
 }
 
 }
 
 #endif