Emit error events if the loading of an object element failed

third_party/WebKit/Source/core/html/HTMLPlugInElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2012 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 86 matching lines @@
   bool requestObject(const String& url,
                      const String& mimeType,
                      const Vector<String>& paramNames,
                      const Vector<String>& paramValues);
   bool shouldUsePlugin(const KURL&,
                        const String& mimeType,
                        bool hasFallback,
                        bool& useFallback);
 
   void dispatchErrorEvent();
+  bool isErrorPlaceholder();
   void lazyReattachIfNeeded();
 
   String m_serviceType;
   String m_url;
   KURL m_loadedUrl;
   Member<HTMLImageLoader> m_imageLoader;
   bool m_isDelayingLoadEvent;
 
  private:
   // EventTarget overrides:
@@ skipping 65 matching lines @@
 
 inline bool isHTMLPlugInElement(const HTMLElement& element) {
   return element.isPluginElement();
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLPlugInElement);
 
 }  // namespace blink
 
 #endif  // HTMLPlugInElement_h