Remove some HTMLObjectElement logic from FrameLoader

Source/core/html/HTMLFrameOwnerElement.h

Index: Source/core/html/HTMLFrameOwnerElement.h
diff --git a/Source/core/html/HTMLFrameOwnerElement.h b/Source/core/html/HTMLFrameOwnerElement.h
index 8a407abe9dffd50ec226d18276b31be0a269f763..9cbe4bb94b18ac414b9057da1a95f7c7e6fa95ea 100644
--- a/Source/core/html/HTMLFrameOwnerElement.h
+++ b/Source/core/html/HTMLFrameOwnerElement.h
@@ -59,6 +59,10 @@ public:
     virtual bool loadedNonEmptyDocument() const { return false; }
     virtual void didLoadNonEmptyDocument() { }
 
+    virtual void renderFallbackContent() { }
+
+    virtual bool isObjectElement() const { return false; }
+
 protected:
     HTMLFrameOwnerElement(const QualifiedName& tagName, Document&);
     void setSandboxFlags(SandboxFlags);