| Index: lib/child/main.js | 
| =================================================================== | 
| --- a/lib/child/main.js | 
| +++ b/lib/child/main.js | 
| @@ -21,11 +21,11 @@ | 
| // sure that on update the old version has enough time to receive and process | 
| // the shutdown message. | 
| port.emitWithResponse("ping").then(() => | 
| { | 
| require("child/elemHide"); | 
| require("child/contentPolicy"); | 
| require("child/contextMenu"); | 
| require("child/dataCollector"); | 
| - require("child/cssProperties"); | 
| + require("child/elemHideEmulation"); | 
| require("child/subscribeLinks"); | 
| }).catch(e => Cu.reportError(e)); |