Make document.activeElement work with OOPIF

third_party/WebKit/Source/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 814 matching lines @@
 
     RefPtrWillBeRawPtr<Document> newDocument = nullptr;
     if (element)
         newDocument = &element->document();
     else if (newFocusedFrame && newFocusedFrame->isLocalFrame())
         newDocument = toLocalFrame(newFocusedFrame.get())->document();
 
     if (newDocument && oldDocument == newDocument && newDocument->focusedElement() == element)
         return true;
 
-    clearSelectionIfNeeded(oldFocusedFrame.get(), toLocalFrame(newFocusedFrame.get()), element);
+    if (newFocusedFrame && newFocusedFrame->isLocalFrame())
+        clearSelectionIfNeeded(oldFocusedFrame.get(), toLocalFrame(newFocusedFrame.get()), element);
 
     if (oldDocument && oldDocument != newDocument)
         oldDocument->setFocusedElement(nullptr);
 
     if (newFocusedFrame && !newFocusedFrame->page()) {
         setFocusedFrame(nullptr);
         return false;
     }
     setFocusedFrame(newFocusedFrame);
 
@@ skipping 214 matching lines @@
     return consumed;
 }
 
 DEFINE_TRACE(FocusController)
 {
     visitor->trace(m_page);
     visitor->trace(m_focusedFrame);
 }
 
 } // namespace blink