Remove EventSender from SVGUseElement

third_party/WebKit/Source/core/svg/SVGUseElement.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007 Rob Buis <buis@kde.org>
  * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
  * Copyright (C) 2011 Torch Mobile (Beijing) Co. Ltd. All rights reserved.
  * Copyright (C) 2012 University of Szeged
  * Copyright (C) 2012 Renata Hodovan <reni@webkit.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 12 matching lines @@
  */
 
 #include "core/svg/SVGUseElement.h"
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/SVGNames.h"
 #include "core/XLinkNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/StyleChangeReason.h"
+#include "core/dom/TaskRunnerHelper.h"
 #include "core/dom/shadow/ElementShadow.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/Event.h"
 #include "core/fetch/FetchRequest.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/layout/svg/LayoutSVGTransformableContainer.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGGElement.h"
 #include "core/svg/SVGLengthContext.h"
 #include "core/svg/SVGSVGElement.h"
 #include "core/svg/SVGSymbolElement.h"
 #include "core/xml/parser/XMLDocumentParser.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-static SVGUseEventSender& svgUseLoadEventSender() {
-  DEFINE_STATIC_LOCAL(SVGUseEventSender, sharedLoadEventSender,
-                      (SVGUseEventSender::create(EventTypeNames::load)));
-  return sharedLoadEventSender;
-}
-
 inline SVGUseElement::SVGUseElement(Document& document)
     : SVGGraphicsElement(SVGNames::useTag, document),
       SVGURIReference(this),
       m_x(SVGAnimatedLength::create(this,
                                     SVGNames::xAttr,
                                     SVGLength::create(SVGLengthMode::Width))),
       m_y(SVGAnimatedLength::create(this,
                                     SVGNames::yAttr,
                                     SVGLength::create(SVGLengthMode::Height))),
       m_width(
@@ skipping 617 matching lines @@
   // don't need to override SVGGraphicsElement::getBBox at all) and be
   // correct without additional work. That will not work out ATM without
   // additional quirks. The problem stems from including the additional
   // translation directly on the LayoutObject corresponding to the
   // SVGUseElement.
   FloatRect bbox = transformableContainer.objectBoundingBox();
   bbox.move(transformableContainer.additionalTranslation());
   return bbox;
 }
 
-void SVGUseElement::dispatchPendingEvent(SVGUseEventSender* eventSender) {
-  ASSERT_UNUSED(eventSender, eventSender == &svgUseLoadEventSender());
+void SVGUseElement::dispatchPendingEvent() {
   ASSERT(isStructurallyExternal() && m_haveFiredLoadEvent);
   dispatchEvent(Event::create(EventTypeNames::load));
 }
 
 void SVGUseElement::notifyFinished(Resource* resource) {
   ASSERT(m_resource == resource);
   if (!isConnected())
     return;
 
   invalidateShadowTree();
   if (!resourceIsValid()) {
     dispatchEvent(Event::create(EventTypeNames::error));
   } else if (!resource->wasCanceled()) {
     if (m_haveFiredLoadEvent)
       return;
     if (!isStructurallyExternal())
       return;
     ASSERT(!m_haveFiredLoadEvent);
     m_haveFiredLoadEvent = true;
-    svgUseLoadEventSender().dispatchEventSoon(this);
+    TaskRunnerHelper::get(TaskType::DOMManipulation, &document())
+        ->postTask(BLINK_FROM_HERE,
+                   WTF::bind(&SVGUseElement::dispatchPendingEvent,
+                             wrapPersistent(this)));
   }
 }
 
 bool SVGUseElement::resourceIsStillLoading() const {
   return m_resource && m_resource->isLoading();
 }
 
 bool SVGUseElement::resourceIsValid() const {
   return m_resource && m_resource->isLoaded() && !m_resource->errorOccurred() &&
          m_resource->document();
@@ skipping 14 matching lines @@
 
   if (m_resource)
     m_resource->removeClient(this);
 
   m_resource = resource;
   if (m_resource)
     m_resource->addClient(this);
 }
 
 }  // namespace blink