Revert of Remove EventSender from HTMLStyleElement

third_party/WebKit/Source/core/html/HTMLStyleElement.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2010 Apple Inc. ALl rights reserved.
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef HTMLStyleElement_h
 #define HTMLStyleElement_h
 
-#include "core/dom/IncrementLoadEventDelayCount.h"
 #include "core/dom/StyleElement.h"
 #include "core/html/HTMLElement.h"
-#include <memory>
 
 namespace blink {
 
+class HTMLStyleElement;
+
+template <typename T>
+class EventSender;
+using StyleEventSender = EventSender<HTMLStyleElement>;
+
 class CORE_EXPORT HTMLStyleElement final : public HTMLElement,
                                            private StyleElement {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(HTMLStyleElement);
 
  public:
   static HTMLStyleElement* create(Document&, bool createdByParser);
   ~HTMLStyleElement() override;
 
   using StyleElement::sheet;
 
   bool disabled() const;
   void setDisabled(bool);
 
-  void dispatchPendingEvent(std::unique_ptr<IncrementLoadEventDelayCount>);
+  void dispatchPendingEvent(StyleEventSender*);
+  static void dispatchPendingLoadEvents();
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   HTMLStyleElement(Document&, bool createdByParser);
 
   // overload from HTMLElement
   void parseAttribute(const QualifiedName&,
                       const AtomicString&,
                       const AtomicString&) override;
@@ skipping 14 matching lines @@
   const AtomicString& media() const override;
   const AtomicString& type() const override;
 
   bool m_firedLoad;
   bool m_loadedSheet;
 };
 
 }  // namespace blink
 
 #endif  // HTMLStyleElement_h