Mojo JS: Attempt to simplify bindTo* related code.

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 cdf99ce8c3da9107cb3542794ad4bc0e6bbe02aa..34bdfb09a6610eec535f74fc2b283eb053fc1fde 100644
--- a/mojo/public/js/connection.js
+++ b/mojo/public/js/connection.js
@@ -148,6 +148,15 @@ define("mojo/public/js/connection", [
     return stub;
   }
 
+  function bindHandleToObj(handle, obj) {

[yzshen1, 2016/05/27 16:24:45]

Please add comments.

+    if (!core.isHandle(handle))
+      throw new Error("Not a handle " + handle);
+
+    var router = new Router(handle);
+    var connection = new BaseConnection(obj, undefined, router);
+    obj.connection = connection;
+  }
+
   var exports = {};
   exports.Connection = Connection;
   exports.TestConnection = TestConnection;
@@ -156,5 +165,6 @@ define("mojo/public/js/connection", [
   exports.bindImpl = bindImpl;
   exports.bindHandleToProxy = bindHandleToProxy;
   exports.bindHandleToStub = bindHandleToStub;
+  exports.bindHandleToObj = bindHandleToObj;
   return exports;
 });