From 94ec6382f2ffe1af350de0d13dc5f886e3b8eb60 Mon Sep 17 00:00:00 2001
From: Rafael Weinstein <rafaelw@chromium.org>
Date: Tue, 3 Sep 2013 13:49:02 -0700
Subject: [PATCH] Retain references to Path objects

R=arv
BUG=

Review URL: https://codereview.appspot.com/13413044
---
 src/polymer-expressions.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/polymer-expressions.js b/src/polymer-expressions.js
index 66d74a1..e3e14f4 100644
--- a/src/polymer-expressions.js
+++ b/src/polymer-expressions.js
@@ -149,7 +149,10 @@
       if (!this.last)
         return this.name;
 
-      return this.last.getPath() + '.' + this.name;
+      if (!this.path_)
+        this.path_ = Path.get(this.last.getPath() + '.' + this.name);
+
+      return this.path_;
     },
 
     valueFn: function() {