Break StyleImage dependency on LayoutObject

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

Index: third_party/WebKit/Source/core/style/StylePendingImage.h
diff --git a/third_party/WebKit/Source/core/style/StylePendingImage.h b/third_party/WebKit/Source/core/style/StylePendingImage.h
index 69f96e1e5ac39d17430500d777d21fb642556b4e..129cb35c56312ed9e518450c664fcc0bb5bf674f 100644
--- a/third_party/WebKit/Source/core/style/StylePendingImage.h
+++ b/third_party/WebKit/Source/core/style/StylePendingImage.h
@@ -35,6 +35,8 @@
 
 namespace blink {
 
+class ImageResourceObserver;
+
 // StylePendingImage is a placeholder StyleImage that is entered into the
 // ComputedStyle during style resolution, in order to avoid loading images that
 // are not referenced by the final style.  They should never exist in a
@@ -77,9 +79,11 @@ class StylePendingImage final : public StyleImage {
   }
   bool ImageHasRelativeSize() const override { return false; }
   bool UsesImageContainerSize() const override { return false; }
-  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 {
     NOTREACHED();
     return nullptr;