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 94 matching lines @@
   bool RequestObject(const String& url,
                      const String& mime_type,
                      const Vector<String>& param_names,
                      const Vector<String>& param_values);
   bool ShouldUsePlugin(const KURL&,
                        const String& mime_type,
                        bool has_fallback,
                        bool& use_fallback);
 
   void DispatchErrorEvent();
+  bool IsErrorplaceholder();
   void LazyReattachIfNeeded();
 
   String service_type_;
   String url_;
   KURL loaded_url_;
   Member<HTMLImageLoader> image_loader_;
   bool is_delaying_load_event_;
 
  private:
   // EventTarget overrides:
@@ skipping 68 matching lines @@
 
 inline bool IsHTMLPlugInElement(const HTMLElement& element) {
   return element.IsPluginElement();
 }
 
 DEFINE_HTMLELEMENT_TYPE_CASTS_WITH_FUNCTION(HTMLPlugInElement);
 
 }  // namespace blink
 
 #endif  // HTMLPlugInElement_h