Emit error events if the loading of an object element failed

third_party/WebKit/Source/core/html/HTMLObjectElement.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, 2007, 2008, 2009, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 307 matching lines @@
     url = m_url = overridenUrl.getString();
     serviceType = m_serviceType = "text/html";
   }
 
   if (!hasValidClassId() ||
       !requestObject(url, serviceType, paramNames, paramValues)) {
     if (!url.isEmpty())
       dispatchErrorEvent();
     if (hasFallbackContent())
       renderFallbackContent();
+  } else {
+    if (isPlaceholder())
+      dispatchErrorEvent();
   }
 }
 
 Node::InsertionNotificationRequest HTMLObjectElement::insertedInto(
     ContainerNode* insertionPoint) {
   HTMLPlugInElement::insertedInto(insertionPoint);
   ListedElement::insertedInto(insertionPoint);
   return InsertionDone;
 }
 
@@ skipping 120 matching lines @@
 
 bool HTMLObjectElement::willUseFallbackContentAtLayout() const {
   return !hasValidClassId() && hasFallbackContent();
 }
 
 void HTMLObjectElement::associateWith(HTMLFormElement* form) {
   associateByParser(form);
 };
 
 }  // namespace blink