[v8 gc] Introduce a base class for all objects that can have pending activity

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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 HTMLImageElement_h
 #define HTMLImageElement_h
 
+#include "bindings/core/v8/V8GCRoot.h"
 #include "core/CoreExport.h"
 #include "core/fetch/FetchRequest.h"
 #include "core/html/HTMLElement.h"
 #include "core/html/HTMLImageLoader.h"
 #include "core/html/canvas/CanvasImageSource.h"
 #include "core/imagebitmap/ImageBitmapSource.h"
 #include "platform/graphics/GraphicsTypes.h"
 #include "platform/network/ResourceResponse.h"
 #include "wtf/WeakPtr.h"
 
 namespace blink {
 
 class HTMLFormElement;
 class ImageCandidate;
 class ShadowRoot;
 class ImageBitmapOptions;
 
-class CORE_EXPORT HTMLImageElement final : public HTMLElement, public CanvasImageSource, public ImageBitmapSource {
+class CORE_EXPORT HTMLImageElement final : public HTMLElement, public CanvasImageSource, public ImageBitmapSource, public V8GCRoot {
     DEFINE_WRAPPERTYPEINFO();
 public:
     class ViewportChangeListener;
 
     static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&);
     static PassRefPtrWillBeRawPtr<HTMLImageElement> create(Document&, HTMLFormElement*, bool createdByParser);
     static PassRefPtrWillBeRawPtr<HTMLImageElement> createForJSConstructor(Document&);
     static PassRefPtrWillBeRawPtr<HTMLImageElement> createForJSConstructor(Document&, int width);
     static PassRefPtrWillBeRawPtr<HTMLImageElement> createForJSConstructor(Document&, int width, int height);
 
@@ skipping 114 matching lines @@
     unsigned m_elementCreatedByParser : 1;
     unsigned m_useFallbackContent : 1;
     unsigned m_isFallbackImage : 1;
 
     ReferrerPolicy m_referrerPolicy;
 };
 
 } // namespace blink
 
 #endif // HTMLImageElement_h