New interface and function for form association

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/ActiveScriptWrappable.h"
 #include "core/CoreExport.h"
 #include "core/fetch/FetchRequest.h"
+#include "core/html/FormAssociated.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"
 
 namespace blink {
 
 class HTMLFormElement;
 class ImageCandidate;
 class ShadowRoot;
 class ImageBitmapOptions;
 
 class CORE_EXPORT HTMLImageElement final : public HTMLElement,
                                            public CanvasImageSource,
                                            public ImageBitmapSource,
-                                           public ActiveScriptWrappable {
+                                           public ActiveScriptWrappable,
+                                           public FormAssociated {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(HTMLImageElement);
 
  public:
   class ViewportChangeListener;
 
   static HTMLImageElement* create(Document&);
   static HTMLImageElement* create(Document&,
                                   HTMLFormElement*,
                                   bool createdByParser);
@@ skipping 75 matching lines @@
   void forceReload() const;
 
   // ImageBitmapSource implementation
   IntSize bitmapSourceSize() const override;
   ScriptPromise createImageBitmap(ScriptState*,
                                   EventTarget&,
                                   Optional<IntRect> cropRect,
                                   const ImageBitmapOptions&,
                                   ExceptionState&) override;
 
+  FormAssociated* toFormAssociatedOrNull() override { return this; };
+  void associateWith(HTMLFormElement*) override;
+
  protected:
   explicit HTMLImageElement(Document&,
                             HTMLFormElement* = 0,
                             bool createdByParser = false);
 
   void didMoveToNewDocument(Document& oldDocument) override;
   virtual bool useFallbackContent() const { return m_useFallbackContent; }
 
   void didAddUserAgentShadowRoot(ShadowRoot&) override;
   PassRefPtr<ComputedStyle> customStyleForLayoutObject() override;
@@ skipping 44 matching lines @@
   unsigned m_elementCreatedByParser : 1;
   unsigned m_useFallbackContent : 1;
   unsigned m_isFallbackImage : 1;
 
   ReferrerPolicy m_referrerPolicy;
 };
 
 }  // namespace blink
 
 #endif  // HTMLImageElement_h