fix and add shim for change introduce by #4195

comm merging renamed object_info_request to object_info

IPython/html/static/notebook/js/tooltip.js

@@ -221,11 +221,9 @@ var IPython = (function (IPython) {
     };
 
     Tooltip.prototype._request_tooltip = function (cell, line) {
-        var callbacks = { shell : {
-            reply : $.proxy(this._show, this)
-        }};
+        var callbacks = $.proxy(this._show, this);
         var oir_token = this.extract_oir_token(line);
-        var msg_id = cell.kernel.object_info_request(oir_token, callbacks);
+        var msg_id = cell.kernel.object_info(oir_token, callbacks);
     };
 
     // make an imediate completion request

IPython/html/static/services/kernels/js/kernel.js

@@ -269,6 +269,11 @@ var IPython = (function (IPython) {
         return;
     };
 
+    Kernel.prototype.object_info_request = function(objname, callback){
+        console.log('Warning object_info_request is deprecated, use object_info')
+        return this.object_info(objname, callback.shell.reply)
+    }
+
     /**
      * Execute given code into kernel, and pass result to callback.
      *