Bug 1796983 - patch 1 - Fix property_database.js to correctly respect the font-variant-emoji pref. r=emilio

Differential Revision: https://phabricator.services.mozilla.com/D160256

layout/style/test/property_database.js

@@ -5524,7 +5524,6 @@ var gCSSProperties = {
       "font-variant-alternates",
       "font-variant-caps",
       "font-variant-east-asian",
-      "font-variant-emoji",
       "font-variant-ligatures",
       "font-variant-numeric",
       "font-variant-position",
@@ -5792,7 +5791,6 @@ var gCSSProperties = {
       "font-variant-alternates",
       "font-variant-caps",
       "font-variant-east-asian",
-      "font-variant-emoji",
       "font-variant-ligatures",
       "font-variant-numeric",
       "font-variant-position",
@@ -5914,25 +5912,6 @@ var gCSSProperties = {
       "jis78 ruby simplified",
     ],
   },
-  "font-variant-emoji": {
-    domProp: "fontVariantEmoji",
-    inherited: true,
-    type: CSS_TYPE_LONGHAND,
-    applies_to_first_letter: true,
-    applies_to_first_line: true,
-    applies_to_marker: true,
-    applies_to_placeholder: true,
-    applies_to_cue: true,
-    initial_values: ["normal"],
-    other_values: ["text", "emoji", "unicode"],
-    invalid_values: [
-      "none",
-      "auto",
-      "text emoji",
-      "auto text",
-      "normal, unicode",
-    ],
-  },
   "font-variant-ligatures": {
     domProp: "fontVariantLigatures",
     inherited: true,
@@ -12050,6 +12029,30 @@ if (IsCSSPropertyPrefEnabled("layout.css.font-palette.enabled")) {
   };
 }
 
+if (IsCSSPropertyPrefEnabled("layout.css.font-variant-emoji.enabled")) {
+  gCSSProperties["font"].subproperties.push("font-variant-emoji");
+  gCSSProperties["font-variant"].subproperties.push("font-variant-emoji");
+  gCSSProperties["font-variant-emoji"] = {
+    domProp: "fontVariantEmoji",
+    inherited: true,
+    type: CSS_TYPE_LONGHAND,
+    applies_to_first_letter: true,
+    applies_to_first_line: true,
+    applies_to_marker: true,
+    applies_to_placeholder: true,
+    applies_to_cue: true,
+    initial_values: ["normal"],
+    other_values: ["text", "emoji", "unicode"],
+    invalid_values: [
+      "none",
+      "auto",
+      "text emoji",
+      "auto text",
+      "normal, unicode",
+    ],
+  };
+}
+
 var isGridTemplateSubgridValueEnabled = IsCSSPropertyPrefEnabled(
   "layout.css.grid-template-subgrid-value.enabled"
 );