--- a/layout/style/ServoBindings.cpp
+++ b/layout/style/ServoBindings.cpp
@@ -1056,16 +1056,23 @@ Gecko_ResetFilters(nsStyleEffects* effec
 }
 
 void
 Gecko_CopyFiltersFrom(nsStyleEffects* aSrc, nsStyleEffects* aDest)
 {
   aDest->mFilters = aSrc->mFilters;
 }
 
+void
+Gecko_nsStyleFilter_SetURLValue(nsStyleFilter* aEffects, ServoBundledURI aURI)
+{
+  RefPtr<css::URLValue> url = aURI.IntoCssUrl();
+  aEffects->SetURL(url.get());
+}
+
 NS_IMPL_THREADSAFE_FFI_REFCOUNTING(nsStyleCoord::Calc, Calc);
 
 nsCSSShadowArray*
 Gecko_NewCSSShadowArray(uint32_t aLen)
 {
   RefPtr<nsCSSShadowArray> arr = new(aLen) nsCSSShadowArray(aLen);
   return arr.forget().take();
 }

--- a/layout/style/ServoBindings.h
+++ b/layout/style/ServoBindings.h
@@ -290,16 +290,17 @@ void Gecko_SetStyleCoordCalcValue(nsStyl
 
 void Gecko_CopyClipPathValueFrom(mozilla::StyleClipPath* dst, const mozilla::StyleClipPath* src);
 
 void Gecko_DestroyClipPath(mozilla::StyleClipPath* clip);
 mozilla::StyleBasicShape* Gecko_NewBasicShape(mozilla::StyleBasicShapeType type);
 
 void Gecko_ResetFilters(nsStyleEffects* effects, size_t new_len);
 void Gecko_CopyFiltersFrom(nsStyleEffects* aSrc, nsStyleEffects* aDest);
+void Gecko_nsStyleFilter_SetURLValue(nsStyleFilter* effects, ServoBundledURI uri);
 
 void Gecko_FillAllBackgroundLists(nsStyleImageLayers* layers, uint32_t max_len);
 void Gecko_FillAllMaskLists(nsStyleImageLayers* layers, uint32_t max_len);
 NS_DECL_THREADSAFE_FFI_REFCOUNTING(nsStyleCoord::Calc, Calc);
 
 nsCSSShadowArray* Gecko_NewCSSShadowArray(uint32_t len);
 NS_DECL_THREADSAFE_FFI_REFCOUNTING(nsCSSShadowArray, CSSShadowArray);