url: normalize port on scheme change

PR-URL: #13997
Refs: whatwg/url#328
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Daijiro Wachi <daijiro.wachi@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

Author: TimothyGu

lib/internal/url.js

@@ -238,6 +238,7 @@ function onParseProtocolComplete(flags, protocol, username, password,
     ctx.flags &= ~URL_FLAGS_SPECIAL;
   }
   ctx.scheme = protocol;
+  ctx.port = port;
 }
 
 function onParseHostComplete(flags, protocol, username, password,

src/node_url.cc

@@ -1244,6 +1244,7 @@ void URL::Parse(const char* input,
           }
 
           url->scheme = buffer;
+          url->port = NormalizePort(url->scheme, url->port);
           if (new_is_special) {
             url->flags |= URL_FLAGS_SPECIAL;
             special = true;

test/fixtures/url-setter-tests.js

@@ -1,7 +1,7 @@
 'use strict';
 
 /* WPT Refs:
-   https://github.com/w3c/web-platform-tests/blob/3eff1bd/url/setters_tests.json
+   https://github.com/w3c/web-platform-tests/blob/b30abaecf4/url/setters_tests.json
    License: http://www.w3.org/Consortium/Legal/2008/04-testsuite-copyright.html
 */
 module.exports =
@@ -266,6 +266,16 @@ module.exports =
                 "href": "view-source+data:text/html,<p>Test",
                 "protocol": "view-source+data:"
             }
+        },
+        {
+            "comment": "Port is set to null if it is the default for new scheme.",
+            "href": "http://foo.com:443/",
+            "new_value": "https",
+            "expected": {
+                "href": "https://foo.com/",
+                "protocol": "https:",
+                "port": ""
+            }
         }
     ],
     "username": [