Use TreeScope::completeURL and baseURL instead of the Document versions

Source/core/css/CSSCursorImageValue.cpp

Index: Source/core/css/CSSCursorImageValue.cpp
diff --git a/Source/core/css/CSSCursorImageValue.cpp b/Source/core/css/CSSCursorImageValue.cpp
index 878b81b6f1ac481c4bad252995656f2f93348d2e..59f41399c1785a7a07817bceeca383387d37eee8 100644
--- a/Source/core/css/CSSCursorImageValue.cpp
+++ b/Source/core/css/CSSCursorImageValue.cpp
@@ -105,7 +105,7 @@ bool CSSCursorImageValue::updateIfSVGCursorIsUsed(Element* element)
         float y = roundf(cursorElement->y()->currentValue()->value(lengthContext));
         m_hotSpot.setY(static_cast<int>(y));
 
-        if (cachedImageURL() != element->document().completeURL(cursorElement->hrefCurrentValue()))
+        if (cachedImageURL() != element->treeScope().completeURL(cursorElement->hrefCurrentValue()))
             clearImageResource();
 
         SVGElement* svgElement = toSVGElement(element);