Break StyleImage dependency on LayoutObject

third_party/WebKit/Source/core/style/StyleGeneratedImage.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 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.
@@ skipping 14 matching lines @@
 #define StyleGeneratedImage_h
 
 #include "core/CoreExport.h"
 #include "core/style/StyleImage.h"
 
 namespace blink {
 
 class CSSValue;
 class CSSImageGeneratorValue;
 class Document;
+class ImageResourceObserver;
 
 class CORE_EXPORT StyleGeneratedImage final : public StyleImage {
  public:
   static StyleGeneratedImage* Create(const CSSImageGeneratorValue& value) {
     return new StyleGeneratedImage(value);
   }
 
   WrappedImagePtr Data() const override { return image_generator_value_.Get(); }
 
   CSSValue* CssValue() const override;
   CSSValue* ComputedCSSValue() const override;
 
   LayoutSize ImageSize(const Document&,
                        float multiplier,
                        const LayoutSize& default_object_size) const override;
   bool ImageHasRelativeSize() const override { return !fixed_size_; }
   bool UsesImageContainerSize() const override { return !fixed_size_; }
-  void AddClient(LayoutObject*) override;
-  void RemoveClient(LayoutObject*) override;
-  PassRefPtr<Image> GetImage(const LayoutObject&,
+  void AddClient(ImageResourceObserver*) override;
+  void RemoveClient(ImageResourceObserver*) override;
+  PassRefPtr<Image> GetImage(const ImageResourceObserver&,
+                             const Document&,
+                             const ComputedStyle&,
                              const IntSize&) const override;
   bool KnownToBeOpaque(const Document&, const ComputedStyle&) const override;
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   StyleGeneratedImage(const CSSImageGeneratorValue&);
 
   // TODO(sashab): Replace this with <const CSSImageGeneratorValue> once
   // Member<> supports const types.
   Member<CSSImageGeneratorValue> image_generator_value_;
   const bool fixed_size_;
 };
 
 DEFINE_STYLE_IMAGE_TYPE_CASTS(StyleGeneratedImage, IsGeneratedImage());
 
 }  // namespace blink
 #endif