Import wpt@009111410a1099e85d4027a679985975757ceb4d

third_party/WebKit/LayoutTests/imported/wpt/html/dom/elements-metadata.js

 // 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"},
+    // as: {}, XXX TODO: reflecting IDL attribute is an IDL enumeration
     media: "string",
+    nonce: "string",
+    integrity: "string",
     hreflang: "string",
     type: "string",
     sizes: "settable tokenlist",
+    referrerPolicy: {type: "enum", keywords: ["", "no-referrer", "no-referrer-when-downgrade", "same-origin", "origin", "strict-origin", "origin-when-cross-origin", "strict-origin-when-cross-origin", "unsafe-url"]},
 
     // 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);