--- a/gfx/webrender_bindings/src/bindings.rs
+++ b/gfx/webrender_bindings/src/bindings.rs
@@ -1347,17 +1347,18 @@ pub unsafe extern "C" fn wr_dp_push_buil
 struct Moz2dImageRenderer {
     images: HashMap<ImageKey, BlobImageResult>
 }
 
 impl BlobImageRenderer for Moz2dImageRenderer {
     fn request_blob_image(&mut self,
                           key: ImageKey,
                           data: Arc<BlobImageData>,
-                          descriptor: &BlobImageDescriptor) {
+                          descriptor: &BlobImageDescriptor,
+                          _dirty_rect: Option<DeviceUintRect>) {
         let result = self.render_blob_image(data, descriptor);
         self.images.insert(key, result);
     }
 
     fn resolve_blob_image(&mut self, key: ImageKey) -> BlobImageResult {
         return match self.images.remove(&key) {
             Some(result) => result,
             None => Err(BlobImageError::InvalidKey),