Emit error events if the loading of an object element failed

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

 /**
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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 465 matching lines @@
 }
 
 bool HTMLPlugInElement::HasCustomFocusLogic() const {
   return !UseFallbackContent();
 }
 
 bool HTMLPlugInElement::IsPluginElement() const {
   return true;
 }
 
+bool HTMLPlugInElement::IsErrorplaceholder() {
+  if (PluginWidget() && PluginWidget()->IsPluginContainer() &&
+      PluginWidget()->IsErrorplaceholder())
+    return true;
+  return false;
+}
+
 void HTMLPlugInElement::DisconnectContentFrame() {
   HTMLFrameOwnerElement::DisconnectContentFrame();
   SetPersistedPlugin(nullptr);
 }
 
 bool HTMLPlugInElement::LayoutObjectIsFocusable() const {
   if (HTMLFrameOwnerElement::SupportsFocus() &&
       HTMLFrameOwnerElement::LayoutObjectIsFocusable())
     return true;
 
@@ skipping 211 matching lines @@
 
 void HTMLPlugInElement::LazyReattachIfNeeded() {
   if (!UseFallbackContent() && NeedsPluginUpdate() && GetLayoutObject() &&
       !IsImageType()) {
     LazyReattachIfAttached();
     SetPersistedPlugin(nullptr);
   }
 }
 
 }  // namespace blink