From ded4981946576eea6ebc20021ef8a9ec9c81235b Mon Sep 17 00:00:00 2001
From: Yvonne Yip <ykyyip@google.com>
Date: Tue, 29 Oct 2013 16:51:16 -0700
Subject: [PATCH] polymer-media-query: allow compound media queries

---
 polymer-media-query/polymer-media-query.html | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/polymer-media-query/polymer-media-query.html b/polymer-media-query/polymer-media-query.html
index f5c1923..ddac60d 100644
--- a/polymer-media-query/polymer-media-query.html
+++ b/polymer-media-query/polymer-media-query.html
@@ -57,7 +57,11 @@
         if (this._mq) {
           this._mq.removeListener(this._mqHandler);
         }
-        this._mq = window.matchMedia('(' + this.query + ')');
+        var query = this.query;
+        if (query[0] !== '(') {
+          query = '(' + this.query + ')';
+        }
+        this._mq = window.matchMedia(query);
         this._mq.addListener(this._mqHandler);
         this.queryHandler(this._mq);
       },