Update mojo sdk to rev cc531b32182099a5a034a99daff35ed5d38a61c8

mojo/public/js/connector.js

Index: mojo/public/js/connector.js
diff --git a/mojo/public/js/connector.js b/mojo/public/js/connector.js
index badd12a9f3e9811eaeabd373c28f5e921d339ee9..6578a0e1ce5460b6d44e8f924f0de73fed454222 100644
--- a/mojo/public/js/connector.js
+++ b/mojo/public/js/connector.js
@@ -10,6 +10,8 @@ define("mojo/public/js/connector", [
 ], function(buffer, codec, core, support) {
 
   function Connector(handle) {
+    if (!core.isHandle(handle))
+      throw new Error("Connector: not a handle " + handle);
     this.handle_ = handle;
     this.dropWrites_ = false;
     this.error_ = false;