Add error dispatch events to SVGStyleElement

Source/core/html/HTMLStyleElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. All rights reserved.
  *           (C) 2007 Rob Buis (buis@kde.org)
  *
  * 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
@@ skipping 125 matching lines @@
 }
 
 void HTMLStyleElement::dispatchPendingEvent(StyleEventSender* eventSender)
 {
     ASSERT_UNUSED(eventSender, eventSender == &styleLoadEventSender());
     dispatchEvent(Event::create(m_loadedSheet ? EventTypeNames::load : EventTypeNames::error));
 }
 
 void HTMLStyleElement::notifyLoadedSheetAndAllCriticalSubresources(LoadedSheetErrorStatus errorStatus)
 {
-    if (m_firedLoad)
+    if (m_firedLoad && errorStatus == NoErrorLoadingSubresource)
         return;
     m_loadedSheet = (errorStatus == NoErrorLoadingSubresource);
     styleLoadEventSender().dispatchEventSoon(this);
     m_firedLoad = true;
 }
 
 bool HTMLStyleElement::disabled() const
 {
     if (!m_sheet)
         return false;
 
     return m_sheet->disabled();
 }
 
 void HTMLStyleElement::setDisabled(bool setDisabled)
 {
     if (CSSStyleSheet* styleSheet = sheet())
         styleSheet->setDisabled(setDisabled);
 }
 
 DEFINE_TRACE(HTMLStyleElement)
 {
     StyleElement::trace(visitor);
     HTMLElement::trace(visitor);
 }
 
 }