LayoutTests/http/tests/contentextensions/hide-on-ping.html.json - WebKit - Git at Google

 [
     {
         "trigger": {
             "url-filter": "save-ping.php"
         },
         "action": {
             "type": "css-display-none",
             "selector": ".foo"
         }
     }
 ]
	[
	{
	"trigger": {
	"url-filter": "save-ping.php"
	},
	"action": {
	"type": "css-display-none",
	"selector": ".foo"
	}
	}
	]