Web MIDI: final IDL updates to conform the latest WD for shipping

LayoutTests/webmidi/open_close.html

Index: LayoutTests/webmidi/open_close.html
diff --git a/LayoutTests/webmidi/open_close.html b/LayoutTests/webmidi/open_close.html
index 43ca12b69d92292f4441b430a8ec14d305ff8b14..8f6bcb405d0b51b8a41b37dc0e6ae31997a50f1f 100644
--- a/LayoutTests/webmidi/open_close.html
+++ b/LayoutTests/webmidi/open_close.html
@@ -9,28 +9,28 @@ description("Tests MIDIPort.open and MIDIPort.close.");
 
 function checkStateTransition(options) {
     debug("Check state transition for " + options.method + " on " +
-          options.initialstate + " state.");
+          options.initialconnection + " state.");
     debug("- check initial state.");
     window.port = options.port;
-    shouldBeEqualToString("port.state", options.initialstate);
+    shouldBeEqualToString("port.connection", options.initialconnection);
     port.onstatechange = function(e) {
         debug("- check handler port.");
         window.eventport = e.port;
         testPassed("handler is called with port " + eventport + ".");
-        if (options.initialstate == options.finalstate) {
+        if (options.initialconnection == options.finalconnection) {
             testFailed("onstatechange handler should not be called here.");
         }
         shouldBeEqualToString("eventport.id", options.port.id);
-        shouldBeEqualToString("eventport.state", options.finalstate);
+        shouldBeEqualToString("eventport.connection", options.finalconnection);
     };
     return port[options.method]().then(function(p) {
         window.callbackport = p;
         debug("- check callback arguments.");
         testPassed("callback is called with port " + callbackport + ".");
         shouldBeEqualToString("callbackport.id", options.port.id);
-        shouldBeEqualToString("callbackport.state", options.finalstate);
+        shouldBeEqualToString("callbackport.connection", options.finalconnection);
         debug("- check final state.");
-        shouldBeEqualToString("port.state", options.finalstate);
+        shouldBeEqualToString("port.connection", options.finalconnection);
     }, function(e) {
         testFailed("error callback should not be called here.");
         throw e;
@@ -41,23 +41,23 @@ function runTests(port) {
     return Promise.resolve().then(checkStateTransition.bind(undefined, {
         port: port,
         method: "close",
-        initialstate: "connected",
-        finalstate: "connected",
+        initialconnection: "closed",
+        finalconnection: "closed",
     })).then(checkStateTransition.bind(undefined, {
         port: port,
         method: "open",
-        initialstate: "connected",
-        finalstate: "opened",
+        initialconnection: "closed",
+        finalconnection: "open",
     })).then(checkStateTransition.bind(undefined, {
         port: port,
         method: "open",
-        initialstate: "opened",
-        finalstate: "opened",
+        initialconnection: "open",
+        finalconnection: "open",
     })).then(checkStateTransition.bind(undefined, {
         port: port,
         method: "close",
-        initialstate: "opened",
-        finalstate: "connected",
+        initialconnection: "open",
+        finalconnection: "closed",
     }));
 }