From dbf833e062c1365d72c4b1b05ed220e908de6b28 Mon Sep 17 00:00:00 2001
From: Kevin Schaaf <kschaaf@google.com>
Date: Thu, 16 Jul 2015 17:50:51 -0700
Subject: [PATCH] Remove key check; int check should guarantee key.

---
 src/standard/notify-path.html | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/standard/notify-path.html b/src/standard/notify-path.html
index 8ba6d4ac4a..78a098547c 100644
--- a/src/standard/notify-path.html
+++ b/src/standard/notify-path.html
@@ -161,10 +161,8 @@
             var coll = Polymer.Collection.get(array);
             var old = prop[last];
             var key = coll.getKey(old);
-            if (key) {
-              parts[i] = key;
-              coll.setItem(key, value);
-            }
+            parts[i] = key;
+            coll.setItem(key, value);
           }
           prop[last] = value;
           if (!root) {