Roll Polymer to 1.3.1

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

Index: third_party/polymer/v1_0/components-chromium/iron-icon/bower.json
diff --git a/third_party/polymer/v1_0/components-chromium/iron-icon/bower.json b/third_party/polymer/v1_0/components-chromium/iron-icon/bower.json
index 6693f964397c27743656afce7c5b9fb23a0ea2af..38e4ba45d0ae28f942fc952f9b2680e0932b2a8d 100644
--- a/third_party/polymer/v1_0/components-chromium/iron-icon/bower.json
+++ b/third_party/polymer/v1_0/components-chromium/iron-icon/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "iron-icon",
   "private": true,
-  "version": "1.0.7",
+  "version": "1.0.8",
   "license": "http://polymer.github.io/LICENSE.txt",
   "description": "An element that supports displaying an icon",
   "main": "iron-icon.html",
@@ -17,6 +17,7 @@
     "type": "git",
     "url": "git://github.com/PolymerElements/iron-icon.git"
   },
+  "ignore": [],
   "dependencies": {
     "iron-flex-layout": "polymerelements/iron-flex-layout#^1.0.0",
     "iron-meta": "polymerelements/iron-meta#^1.0.0",
@@ -28,7 +29,7 @@
     "iron-iconset": "polymerelements/iron-iconset#^1.0.0",
     "iron-icons": "polymerelements/iron-icons#^1.0.0",
     "iron-component-page": "polymerelements/iron-component-page#^1.0.0",
-    "web-component-tester": "*",
+    "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   }
 }