[WIP] Mojo native bindings interface.

mojo/public/js/connection.js

Index: mojo/public/js/connection.js
diff --git a/mojo/public/js/connection.js b/mojo/public/js/connection.js
index 1ac88ed9e6354e8db83a37b7ec350bd947e0c445..b45e7cf3518ad019b3ec7b9ef7fff7a04316511e 100644
--- a/mojo/public/js/connection.js
+++ b/mojo/public/js/connection.js
@@ -142,7 +142,7 @@ define("mojo/public/js/connection", [
   // Return a remoteInterface proxy for handle. Used by generated code
   // for converting incoming interface parameters to proxies.
   function bindHandleToProxy(handle, remoteInterface) {
-    if (!core.isHandle(handle))
+    if (!(handle instanceof MojoHandle))
       throw new Error("Not a handle " + handle);
 
     var proxy = new remoteInterface.proxyClass;
@@ -157,7 +157,7 @@ define("mojo/public/js/connection", [
   // stubs. The caller can specify the stub's implementation of localInterface
   // like this: StubBindings(stub).delegate = myStubImpl.
   function bindHandleToStub(handle, localInterface) {
-    if (!core.isHandle(handle))
+    if (!(handle instanceof MojoHandle))
       throw new Error("Not a handle " + handle);
 
     var stub = new localInterface.stubClass;