| Index: lib/content/elemHideEmulation.js |
| =================================================================== |
| --- a/lib/content/elemHideEmulation.js |
| +++ b/lib/content/elemHideEmulation.js |
| @@ -718,17 +718,18 @@ |
| }; |
| if (this._scheduledProcessing) |
| { |
| if (!stylesheets && !mutations) |
| { |
| this._scheduledProcessing = {}; |
| } |
| - else |
| + else if (this._scheduledProcessing.stylesheets || |
| + this._scheduledProcessing.mutations) |
| { |
| if (stylesheets) |
| { |
| if (!this._scheduledProcessing.stylesheets) |
| this._scheduledProcessing.stylesheets = []; |
| this._scheduledProcessing.stylesheets.push(...stylesheets); |
| } |
| if (mutations) |