Bug 650372 - Fix legacy tests to account for keywords now being accepted. r=emilio

Depends on D154238

Differential Revision: https://phabricator.services.mozilla.com/D154278

layout/style/test/descriptor_database.js

@@ -95,9 +95,9 @@ var gCSSFontFaceDescriptors = {
       "local('Times New Roman')",
       'local("Times New Roman")',
       'local("serif")',
+      "url(404.ttf) format(truetype)",
     ],
     invalid_values: [
-      "url(404.ttf) format(truetype)",
       'url(404.ttf) format("truetype" "opentype")',
       'url(404.ttf) format("truetype",)',
       'local("Times New" Roman)',

layout/style/test/test_font_face_parser.html

@@ -117,6 +117,9 @@ function runTest() {
     { rule: _("src: local(\"老鼠\"), url(\"/fonts/Mouse\") format(\"truetype\");"),
       d: { "src" : "local(\"老鼠\"), url(\"/fonts/Mouse\") format(\"truetype\")" } },
 
+    { rule: _("src: url(\"/fonts/Mouse\") format(truetype);"),
+      d: { "src" : "url(\"/fonts/Mouse\") format(truetype)" } },
+
     // Correct but unusual src:
     { rule: _("src: local(Hoefler Text);"),
       d: {"src" : "local(Hoefler Text)"}, noncanonical: true },
@@ -125,7 +128,6 @@ function runTest() {
     { rule: _("src:"), d: {} },
     { rule: _("src: \"/fonts/Mouse\";"), d: {} },
     { rule: _("src: /fonts/Mouse;"), d: {} },
-    { rule: _("src: url(\"/fonts/Mouse\") format(truetype);"), d: {} },
     { rule: _("src: url(\"/fonts/Mouse\") format(\"truetype\",opentype);"), d: {} },
     { rule: _("src: local(*);"), d: {} },
     { rule: _("src: format(\"truetype\");"), d: {} },