Review comments

IPython/html/static/widgets/js/widget.js

@@ -304,8 +304,8 function(WidgetManager, _, Backbone){
             // TODO: this is hacky, and makes the view depend on this cell attribute and widget manager behavior
             // it would be great to have the widget manager add the cell metadata
             // to the subview without having to add it here.
-            var child_view = this.model.widget_manager.create_view(child_model, options || {}, this);
-            child_view.id = child_view.id || IPython.utils.uuid();
+            options = $.merge({ parent: this }, options || {});
+            var child_view = this.model.widget_manager.create_view(child_model, options, this);
             
             // Associate the view id with the model id.
             if (this.child_model_views[child_model.id] === undefined) {
@@ -318,7 +318,7 function(WidgetManager, _, Backbone){
             return child_view;
         },
 
-        delete_child_view: function(child_model, options) {
+        pop_child_view: function(child_model) {
             // Delete a child view that was previously created using create_child_view.
             var view_ids = this.child_model_views[child_model.id];
             if (view_ids !== undefined) {

IPython/html/static/widgets/js/widget_container.js

@@ -50,7 +50,7 define(["widgets/js/widget"], function(WidgetManager) {
 
         remove_child_model: function(model) {
             // Called when a model is removed from the children list.
-            this.delete_child_view(model).remove();
+            this.pop_child_view(model).remove();
         },
 
         add_child_model: function(model) {
@@ -254,7 +254,7 define(["widgets/js/widget"], function(WidgetManager) {
 
         remove_child_model: function(model) {
             // Called when a child is removed from children list.
-            this.delete_child_view(model).remove();
+            this.pop_child_view(model).remove();
         },
 
         add_child_model: function(model) {

IPython/html/static/widgets/js/widget_selectioncontainer.js

@@ -92,7 +92,7 define(["widgets/js/widget"], function(WidgetManager){
             this.containers.splice(accordion_group.container_index, 1);
             delete this.model_containers[model.id];
             accordion_group.remove();
-            this.delete_child_view(model);
+            this.pop_child_view(model);
         },
 
         add_child_model: function(model) {
@@ -190,7 +190,7 define(["widgets/js/widget"], function(WidgetManager){
 
         remove_child_model: function(model) {
             // Called when a child is removed from children list.
-            var view = this.delete_child_view(model);
+            var view = this.pop_child_view(model);
             this.containers.splice(view.parent_tab.tab_text_index, 1);
             view.parent_tab.remove();
             view.parent_container.remove();