New: Add data for WebKit Scrollbars

Close #645

Author: ExE-Boss

status.json

@@ -1740,7 +1740,7 @@
     "ieStatus": {
       "text": "Preview Release",
       "ieUnprefixed": "17763",
-      "flag": true      
+      "flag": true
     },
     "spec": "compositing-1",
     "id": 5768037999312896,
@@ -5643,5 +5643,21 @@
     "spec": "paymentrequest",
     "id": 5160285237149696,
     "statusid": 331
+  },
+  {
+    "name": "WebKit Scrollbars",
+    "category": "CSS",
+    "summary": "The ::-webkit-scrollbar CSS pseudo-element affects the style of the scrollbar of an element.",
+    "standardStatus": "De-facto standard",
+    "ieStatus": {
+      "text": "Under Consideration",
+      "priority": "Medium"
+    },
+    "ff_views": {
+      "text": "In Development"
+    },
+    "impl_status_chrome": "Shipped",
+    "uservoiceid": 9081910,
+    "statusid": 332
   }
 ]