Backed out changeset 913d407956ae (bug 1941949) for causing wr failures

servo/components/style/properties/properties.mako.rs

@@ -891,8 +891,7 @@ impl LonghandIdSet {
         ${static_longhand_id_set(
             "BORDER_BACKGROUND_PROPERTIES",
             lambda p: (p.logical_group and p.logical_group.startswith("border")) or \
-                        p in data.shorthands_by_name["border"].sub_properties or \
-                        p in data.shorthands_by_name["background"].sub_properties
+                       p.name in ["background-color", "background-image"]
         )}
         &BORDER_BACKGROUND_PROPERTIES
     }

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-background-attachment-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-background-attachment-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-background-clip-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-background-clip-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-background-origin-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-background-origin-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-background-position-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-background-position-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-background-size-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-background-size-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-border-image-outset-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-border-image-outset-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-border-image-repeat-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-border-image-repeat-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-border-image-slice-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-border-image-slice-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-border-image-source-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-border-image-source-001.html]
+  expected: FAIL

testing/web-platform/meta/css/css-ui/compute-kind-widget-generated/kind-of-widget-fallback-button-border-image-width-001.html.ini

@@ -0,0 +1,2 @@
+[kind-of-widget-fallback-button-border-image-width-001.html]
+  expected: FAIL