Remove some HTMLObjectElement logic from FrameLoader

Source/core/html/HTMLObjectElement.h

Index: Source/core/html/HTMLObjectElement.h
diff --git a/Source/core/html/HTMLObjectElement.h b/Source/core/html/HTMLObjectElement.h
index dc3eb18236a9d2e353393f4567c78cb7d1052498..75fc8a11f978b5f9a27add7ae7b1064e55ff2709 100644
--- a/Source/core/html/HTMLObjectElement.h
+++ b/Source/core/html/HTMLObjectElement.h
@@ -42,7 +42,7 @@ public:
     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(); }
@@ -52,6 +52,8 @@ public:
     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(); }