Update Polymer from 1.2.1 -> 1.2.3

third_party/polymer/v1_0/components-chromium/iron-list/.bower.json

Index: third_party/polymer/v1_0/components-chromium/iron-list/.bower.json
diff --git a/third_party/polymer/v1_0/components-chromium/iron-list/.bower.json b/third_party/polymer/v1_0/components-chromium/iron-list/.bower.json
index c5159e5a75cf73a584002d1db8ba7cc1761f0807..7076e9dcd38324524a0d3793ae6c7edc4ec4a567 100644
--- a/third_party/polymer/v1_0/components-chromium/iron-list/.bower.json
+++ b/third_party/polymer/v1_0/components-chromium/iron-list/.bower.json
@@ -7,7 +7,7 @@
     "list",
     "virtual-list"
   ],
-  "version": "1.1.5",
+  "version": "1.1.6",
   "homepage": "https://github.com/PolymerElements/iron-list",
   "authors": [
     "The Polymer Authors"
@@ -37,11 +37,11 @@
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.2",
     "web-component-tester": "*"
   },
-  "_release": "1.1.5",
+  "_release": "1.1.6",
   "_resolution": {
     "type": "version",
-    "tag": "v1.1.5",
-    "commit": "c6bf7caf1745cc3bed0769d41ac405476ef981b8"
+    "tag": "v1.1.6",
+    "commit": "41ba08e96ffb62ce9f0f5f50ddd41aee8e8b10b2"
   },
   "_source": "git://github.com/PolymerElements/iron-list.git",
   "_target": "^1.0.0",