Add error dispatch events to SVGStyleElement

Source/core/svg/SVGStyleElement.cpp

 /*
  * Copyright (C) 2004, 2005 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) 2006 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Cameron McCormack <cam@mcc.id.au>
  *
  * 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 15 matching lines @@
 #include "core/MediaTypeNames.h"
 #include "core/css/CSSStyleSheet.h"
 #include "wtf/StdLibExtras.h"
 
 namespace blink {
 
 inline SVGStyleElement::SVGStyleElement(Document& document, bool createdByParser)
     : SVGElement(SVGNames::styleTag, document)
     , StyleElement(&document, createdByParser)
     , m_svgLoadEventTimer(this, &SVGElement::svgLoadEventTimerFired)
+    , m_svgErrorEventTimer(this, &SVGElement::svgErrorEventTimerFired)
 {
 }
 
 SVGStyleElement::~SVGStyleElement()
 {
 #if !ENABLE(OILPAN)
     StyleElement::clearDocumentData(document(), this);
 #endif
 }
 
@@ skipping 56 matching lines @@
             m_sheet->setTitle(value);
 
         return;
     }
 
     SVGElement::parseAttribute(name, value);
 }
 
 void SVGStyleElement::finishParsingChildren()
 {
-    StyleElement::finishParsingChildren(this);
+    StyleElement::ProcessingResult result = StyleElement::finishParsingChildren(this);
     SVGElement::finishParsingChildren();
+    if (result == StyleElement::ProcessingFatalError)
+        SVGElement::sendSVGErrorEventIfPossibleAsynchronously();
 }
 
 Node::InsertionNotificationRequest SVGStyleElement::insertedInto(ContainerNode* insertionPoint)
 {
     SVGElement::insertedInto(insertionPoint);
     StyleElement::insertedInto(this, insertionPoint);
     return InsertionShouldCallDidNotifySubtreeInsertions;
 }
 
 void SVGStyleElement::didNotifySubtreeInsertionsToDocument()
 {
-    StyleElement::processStyleSheet(document(), this);
+    if (StyleElement::processStyleSheet(document(), this) == StyleElement::ProcessingFatalError)
+        SVGElement::sendSVGErrorEventIfPossibleAsynchronously();
 }
 
 void SVGStyleElement::removedFrom(ContainerNode* insertionPoint)
 {
     SVGElement::removedFrom(insertionPoint);
     StyleElement::removedFrom(this, insertionPoint);
 }
 
 void SVGStyleElement::childrenChanged(const ChildrenChange& change)
 {
     SVGElement::childrenChanged(change);
-    StyleElement::childrenChanged(this);
+    if (StyleElement::childrenChanged(this) == StyleElement::ProcessingFatalError)
+        SVGElement::sendSVGErrorEventIfPossibleAsynchronously();
 }
 
 DEFINE_TRACE(SVGStyleElement)
 {
     StyleElement::trace(visitor);
     SVGElement::trace(visitor);
 }
 
 }