From 0ee5d6f933e104058961be7330370470c047824e Mon Sep 17 00:00:00 2001
From: Liz Looney <lizlooney@google.com>
Date: Sat, 27 Aug 2016 22:03:06 -0700
Subject: [PATCH] Check result of window.confirm before deleting variables.

---
 core/workspace.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/core/workspace.js b/core/workspace.js
index db7415753..a8e97c04b 100644
--- a/core/workspace.js
+++ b/core/workspace.js
@@ -322,9 +322,12 @@ Blockly.Workspace.prototype.deleteVariable = function(name) {
           return;
         }
       }
-      window.confirm(
+      var ok = window.confirm(
           Blockly.Msg.DELETE_VARIABLE_CONFIRMATION.replace('%1', uses.length).
           replace('%2', name));
+      if (!ok) {
+        return;
+      }
     }
 
     Blockly.Events.setGroup(true);