Break StyleImage dependency on LayoutObject

third_party/WebKit/Source/modules/csspaint/CSSPaintImageGeneratorImpl.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSPaintImageGeneratorImpl_h
 #define CSSPaintImageGeneratorImpl_h
 
 #include "core/css/CSSPaintImageGenerator.h"
 #include "core/css/cssom/CSSStyleValue.h"
 #include "platform/bindings/ScopedPersistent.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/heap/Handle.h"
 #include "v8/include/v8.h"
 
 namespace blink {
 
 class CSSPaintDefinition;
 class CSSSyntaxDescriptor;
 class Document;
 class Image;
 
 class CSSPaintImageGeneratorImpl final : public CSSPaintImageGenerator {
  public:
   static CSSPaintImageGenerator* Create(const String& name,
-                                        Document&,
+                                        const Document&,
                                         Observer*);
   ~CSSPaintImageGeneratorImpl() override;
 
-  PassRefPtr<Image> Paint(const LayoutObject&,
+  PassRefPtr<Image> Paint(const ImageResourceObserver&,
                           const IntSize&,
                           const CSSStyleValueVector*) final;
   const Vector<CSSPropertyID>& NativeInvalidationProperties() const final;
   const Vector<AtomicString>& CustomInvalidationProperties() const final;
   bool HasAlpha() const final;
   const Vector<CSSSyntaxDescriptor>& InputArgumentTypes() const final;
   bool IsImageGeneratorReady() const final;
 
   // Should be called from the PaintWorkletGlobalScope when a javascript class
   // is registered with the same name.
   void SetDefinition(CSSPaintDefinition*);
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   CSSPaintImageGeneratorImpl(Observer*);
   CSSPaintImageGeneratorImpl(CSSPaintDefinition*);
 
   Member<CSSPaintDefinition> definition_;
   Member<Observer> observer_;
 };
 
 }  // namespace blink
 
 #endif  // CSSPaintImageGeneratorImpl_h