Update web-platform-tests to revision b'ee6da9d71d0268d7fdb04e8e5b26858f46ee0cc4'

tests/wpt/web-platform-tests/css/css-fonts/support/font-family-keywords.js

@@ -1,17 +1,27 @@
-var kGenericFontFamilyKeywords = ["serif",
-                                  "sans-serif",
-                                  "cursive",
-                                  "fantasy",
-                                  "monospace",
-                                  "system-ui",
-                                  "emoji",
-                                  "math",
-                                  "fangsong",
-                                  "ui-serif",
-                                  "ui-sans-serif",
-                                  "ui-monospace",
-                                  "ui-rounded"];
+// <generic-family> keywords, as specified in
+// https://drafts.csswg.org/css-fonts/#generic-family-value
+var kGenericFontFamilyKeywords = [
+    "serif",
+    "sans-serif",
+    "cursive",
+    "fantasy",
+    "monospace",
+    "system-ui",
+    "emoji",
+    "math",
+    "fangsong",
+    "ui-serif",
+    "ui-sans-serif",
+    "ui-monospace",
+    "ui-rounded",
+];
 
-var kWebKitPrefixKeywords = ["-webkit-body",
-                             "-webkit-standard",
-                             "-webkit-pictograph"];
+// <family-name> values that had/have web-exposed behavior in some browsers, but
+// are not defined in the specification.
+var kNonGenericFontFamilyKeywords = [
+    "NonGenericFontFamilyName",
+    "-webkit-body",
+    "-webkit-standard",
+    "-webkit-pictograph",
+    "BlinkMacSystemFont",
+];