Fixed two bugs related to OOPIFs

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 781 matching lines @@
         return;
 
     if (selectionStartNode->isInShadowTree() && selectionStartNode->shadowHost() == newFocusedElement)
         return;
 
     selection.clear();
 }
 
 bool FocusController::setFocusedElement(Element* element, PassRefPtrWillBeRawPtr<Frame> newFocusedFrame, WebFocusType type, InputDeviceCapabilities* sourceCapabilities)
 {
-    RefPtrWillBeRawPtr<LocalFrame> oldFocusedFrame = toLocalFrame(focusedFrame());
+    RefPtrWillBeRawPtr<LocalFrame> oldFocusedFrame = focusedFrame() && focusedFrame()->isLocalFrame() ? toLocalFrame(focusedFrame()) : nullptr;
     RefPtrWillBeRawPtr<Document> oldDocument = oldFocusedFrame ? oldFocusedFrame->document() : nullptr;
 
     Element* oldFocusedElement = oldDocument ? oldDocument->focusedElement() : nullptr;
     if (element && oldFocusedElement == element)
         return true;
 
     // FIXME: Might want to disable this check for caretBrowsing
     if (oldFocusedElement && oldFocusedElement->isRootEditableElement() && !relinquishesEditingFocus(*oldFocusedElement))
         return false;
 
@@ skipping 236 matching lines @@
     return consumed;
 }
 
 DEFINE_TRACE(FocusController)
 {
     visitor->trace(m_page);
     visitor->trace(m_focusedFrame);
 }
 
 } // namespace blink