import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

testing/web-platform/tests/html/dom/elements-metadata.js

@@ -0,0 +1,40 @@
+// Up-to-date as of 2013-04-08.
+var metadataElements = {
+  head: {},
+  title: {},
+  base: {
+    // XXX href is weird. href: "url",
+    target: "string",
+  },
+  link: {
+    // Conforming
+    href: "url",
+    crossOrigin: {type: "enum", keywords: ["anonymous", "use-credentials"], nonCanon:{"": "anonymous"}, isNullable: true, defaultVal: null, invalidVal: "anonymous"},
+    rel: "string",
+    relList: {type: "tokenlist", domAttrName: "rel"},
+    media: "string",
+    hreflang: "string",
+    type: "string",
+    sizes: "settable tokenlist",
+
+    // Obsolete
+    charset: "string",
+    rev: "string",
+    target: "string",
+  },
+  meta: {
+    // Conforming
+    name: "string",
+    httpEquiv: {type: "string", domAttrName: "http-equiv"},
+    content: "string",
+
+    // Obsolete
+    scheme: "string",
+  },
+  style: {
+    media: "string",
+    type: "string",
+  },
+};
+
+mergeElements(metadataElements);