Clean compositing inputs for location APIs for sticky-affected elements.

third_party/WebKit/Source/core/css/CSSProperties.json5

 {
 // This file specifies all the CSS properties we support and the necessary
 // information for our code generation. The various supported arguments
 // are described below with example usage
 
   parameters: {
     // - alias_for: "other-property"
     // Properties specifying alias_for should be virtually identical to the
     // properties they alias. Minor parsing differences are allowed as long as
     // the CSSValues created are of the same format of the aliased property.
@@ skipping 1543 matching lines @@
       independent: true,
       inherited: true,
       default_value: "auto",
       field_template: "keyword",
       keywords: [
         "none", "auto", "stroke", "fill", "painted", "visible", "visibleStroke", "visibleFill", "visiblePainted", "bounding-box", "all",
       ],
     },
     {
       name: "position",
-      custom_inherit: true,
+      custom_all: true,
       default_value: "static",
       field_template: "keyword",
       getter: "GetPosition",
       keywords: [
         "static", "relative", "absolute", "fixed", "sticky",
       ],
     },
     {
       name: "quotes",
       api_class: true,
@@ skipping 1606 matching lines @@
     {
       name: "-webkit-transition-timing-function",
       alias_for: "transition-timing-function",
     },
     {
       name: "-webkit-user-select",
       alias_for: "user-select",
     },
   ],
 }