Break StyleImage dependency on LayoutObject

third_party/WebKit/Source/core/css/CSSGradientValue.h

 /*
  * Copyright (C) 2008 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 19 matching lines @@
 #include "core/css/CSSImageGeneratorValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "platform/wtf/RefPtr.h"
 #include "platform/wtf/Vector.h"
 
 namespace blink {
 
 class Color;
 class Gradient;
 class Document;
+class LayoutObject;
 
 enum CSSGradientType {
   kCSSDeprecatedLinearGradient,
   kCSSDeprecatedRadialGradient,
   kCSSPrefixedLinearGradient,
   kCSSPrefixedRadialGradient,
   kCSSLinearGradient,
   kCSSRadialGradient,
   kCSSConicGradient
 };
@@ skipping 30 matching lines @@
 }  // namespace blink
 
 // We have to declare the VectorTraits specialization before CSSGradientValue
 // declares its inline capacity vector below.
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSGradientColorStop);
 
 namespace blink {
 
 class CSSGradientValue : public CSSImageGeneratorValue {
  public:
-  PassRefPtr<Image> GetImage(const LayoutObject&, const IntSize&);
+  PassRefPtr<Image> GetImage(const ImageResourceObserver&,
+                             const Document&,
+                             const ComputedStyle&,
+                             const IntSize&);
 
   void AddStop(const CSSGradientColorStop& stop) {
     stops_.push_back(stop);
     is_cacheable_ = is_cacheable_ && stop.IsCacheable();
   }
 
   size_t StopCount() const { return stops_.size(); }
 
   bool IsRepeating() const { return repeating_; }
 
@@ skipping 220 matching lines @@
   Member<const CSSValue> x_;
   Member<const CSSValue> y_;
   Member<const CSSPrimitiveValue> from_angle_;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSConicGradientValue, IsConicGradientValue());
 
 }  // namespace blink
 
 #endif  // CSSGradientValue_h