Remove some InterfacePtr<> methods which directly deal with message pipe handles.

mojo/public/cpp/bindings/interface_request.h

Index: mojo/public/cpp/bindings/interface_request.h
diff --git a/mojo/public/cpp/bindings/interface_request.h b/mojo/public/cpp/bindings/interface_request.h
index 488b679d817db1ff3d9d1ae06daa5a82f708a32d..c139306e2c8d671871c039d3960e5178bc7e546d 100644
--- a/mojo/public/cpp/bindings/interface_request.h
+++ b/mojo/public/cpp/bindings/interface_request.h
@@ -109,7 +109,7 @@ InterfaceRequest<Interface> MakeRequest(ScopedMessagePipeHandle handle) {
 template <typename Interface>
 InterfaceRequest<Interface> GetProxy(InterfacePtr<Interface>* ptr) {
   MessagePipe pipe;
-  ptr->Bind(pipe.handle0.Pass());
+  ptr->Bind(InterfacePtrInfo<Interface>(pipe.handle0.Pass(), 0u));
   return MakeRequest<Interface>(pipe.handle1.Pass());
 }