Break StyleImage dependency on LayoutObject

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

Index: third_party/WebKit/Source/core/css/CSSGradientValue.h
diff --git a/third_party/WebKit/Source/core/css/CSSGradientValue.h b/third_party/WebKit/Source/core/css/CSSGradientValue.h
index b3c26a8060e6d357e09a76d65a6a5e6267aabdd4..6407f0773fae70668dbf38d2c7343196964cec94 100644
--- a/third_party/WebKit/Source/core/css/CSSGradientValue.h
+++ b/third_party/WebKit/Source/core/css/CSSGradientValue.h
@@ -37,6 +37,7 @@ namespace blink {
 class Color;
 class Gradient;
 class Document;
+class LayoutObject;
 
 enum CSSGradientType {
   kCSSDeprecatedLinearGradient,
@@ -87,7 +88,10 @@ 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);