Remove some HTMLObjectElement logic from FrameLoader

Source/core/html/HTMLObjectElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 24 matching lines @@
     static PassRefPtr<HTMLObjectElement> create(const QualifiedName&, Document&, HTMLFormElement*, bool createdByParser);
     virtual ~HTMLObjectElement();
 
     bool isDocNamedItem() const { return m_docNamedItem; }
 
     const String& classId() const { return m_classId; }
 
     bool containsJavaApplet() const;
 
     virtual bool useFallbackContent() const { return m_useFallbackContent; }
-    void renderFallbackContent();
+    virtual void renderFallbackContent() OVERRIDE;
 
     // Implementations of FormAssociatedElement
     HTMLFormElement* form() const { return FormAssociatedElement::form(); }
 
     virtual bool isFormControlElement() const { return false; }
 
     virtual bool isEnumeratable() const { return true; }
     virtual bool appendFormData(FormDataList&, bool);
 
+    virtual bool isObjectElement() const OVERRIDE { return true; }
+
     // Implementations of constraint validation API.
     // Note that the object elements are always barred from constraint validation.
     virtual String validationMessage() const OVERRIDE { return String(); }
     bool checkValidity() { return true; }
     virtual void setCustomValidity(const String&) OVERRIDE { }
 
     using Node::ref;
     using Node::deref;
 
     virtual bool canContainRangeEndPoint() const { return useFallbackContent(); }
@@ skipping 48 matching lines @@
 
 inline HTMLObjectElement* toHTMLObjectElement(Node* node)
 {
     ASSERT_WITH_SECURITY_IMPLICATION(!node || node->hasTagName(HTMLNames::objectTag));
     return static_cast<HTMLObjectElement*>(node);
 }
 
 }
 
 #endif