3 files changed, 9 insertions, 11 deletions
diff --git a/js/deno.d.ts b/js/deno.d.ts
index 748ee32ce..f554135bc 100644
--- a/js/deno.d.ts
+++ b/js/deno.d.ts
@@ -1,10 +1,10 @@
 // Copyright 2018 Ryan Dahl <ry@tinyclouds.org>
 // All rights reserved. MIT License.
-type MessageCallback = (channel: string, msg: ArrayBuffer) => void;
+type MessageCallback = (msg: ArrayBuffer) => void;
 
 interface Deno {
   recv(cb: MessageCallback): void;
-  send(channel: string, msg: ArrayBuffer): null | ArrayBuffer;
+  send(msg: ArrayBuffer): null | ArrayBuffer;
   print(x: string): void;
 }
 
diff --git a/js/main.ts b/js/main.ts
index 6ba38f669..01c3ab9fb 100644
--- a/js/main.ts
+++ b/js/main.ts
@@ -27,7 +27,7 @@ window["denoMain"] = () => {
   // First we send an empty "Start" message to let the privlaged side know we
   // are ready. The response should be a "StartRes" message containing the CLI
   // argv and other info.
-  const res = deno.send("start", startMsg());
+  const res = deno.send(startMsg());
 
   // TODO(ry) Remove this conditional once main.rs gets up to speed.
   if (res == null) {
diff --git a/js/mock_runtime.js b/js/mock_runtime.js
index 666cabf45..66a34657e 100644
--- a/js/mock_runtime.js
+++ b/js/mock_runtime.js
@@ -28,15 +28,13 @@ global.TypedArraySnapshots = () => {
 };
 
 global.SendSuccess = () => {
-  deno.recv((channel, msg) => {
-    assert(channel === "SendSuccess");
+  deno.recv(msg => {
     deno.print("SendSuccess: ok");
   });
 };
 
 global.SendByteLength = () => {
-  deno.recv((channel, msg) => {
-    assert(channel === "SendByteLength");
+  deno.recv(msg => {
     assert(msg instanceof ArrayBuffer);
     assert(msg.byteLength === 3);
   });
@@ -45,16 +43,16 @@ global.SendByteLength = () => {
 global.RecvReturnEmpty = () => {
   const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
   const ab = typedArrayToArrayBuffer(ui8);
-  let r = deno.send("RecvReturnEmpty", ab);
+  let r = deno.send(ab);
   assert(r == null);
-  r = deno.send("RecvReturnEmpty", ab);
+  r = deno.send(ab);
   assert(r == null);
 };
 
 global.RecvReturnBar = () => {
   const ui8 = new Uint8Array("abc".split("").map(c => c.charCodeAt(0)));
   const ab = typedArrayToArrayBuffer(ui8);
-  const r = deno.send("RecvReturnBar", ab);
+  const r = deno.send(ab);
   assert(r instanceof ArrayBuffer);
   assert(r.byteLength === 3);
   const rui8 = new Uint8Array(r);
@@ -84,7 +82,7 @@ global.ErrorHandling = () => {
     assert(line === 3);
     assert(col === 1);
     assert(error instanceof Error);
-    deno.send("ErrorHandling", typedArrayToArrayBuffer(new Uint8Array([42])));
+    deno.send(typedArrayToArrayBuffer(new Uint8Array([42])));
   };
   eval("\n\n notdefined()\n//# sourceURL=helloworld.js");
 };