Break StyleImage dependency on LayoutObject

third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.cpp

Index: third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.cpp
diff --git a/third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.cpp b/third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.cpp
index 2765bde1e2c156fefa9edcbde3f4d982edf3ad4a..7f99c1d74ea9baa814c6ecfe45af766fa7a1dc0f 100644
--- a/third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.cpp
+++ b/third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.cpp
@@ -68,11 +68,14 @@ CSSPaintDefinition::CSSPaintDefinition(
 CSSPaintDefinition::~CSSPaintDefinition() {}
 
 PassRefPtr<Image> CSSPaintDefinition::Paint(
-    const LayoutObject& layout_object,
+    const ImageResourceObserver& client,
     const IntSize& size,
     const CSSStyleValueVector* paint_arguments) {
   DCHECK(paint_arguments);
 
+  // TODO: Break dependency on LayoutObject. Passing the Node should work.
+  const LayoutObject& layout_object = static_cast<const LayoutObject&>(client);
+
   float zoom = layout_object.StyleRef().EffectiveZoom();
   const IntSize specified_size = GetSpecifiedSize(size, zoom);