Merge 122918 - Fix an assertion failure in CalendarPickerElement::hostInput().

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 70 matching lines @@
 
 inline HTMLInputElement* CalendarPickerElement::hostInput()
 {
     ASSERT(shadowAncestorNode());
     ASSERT(shadowAncestorNode()->hasTagName(inputTag));
     return static_cast<HTMLInputElement*>(shadowAncestorNode());
 }
 
 void CalendarPickerElement::defaultEventHandler(Event* event)
 {
+    if (!renderer())
+        return;
     HTMLInputElement* input = hostInput();
     if (input->readOnly() || input->disabled())
         return;
 
     if (event->type() == eventNames().clickEvent) {
         openPopup();
         event->setDefaultHandled();
     }
 
     if (!event->defaultHandled())
@@ skipping 149 matching lines @@
 }
 
 void CalendarPickerElement::didClosePopup()
 {
     m_popup = 0;
 }
 
 }
 
 #endif