Roll Polymer to 1.3.1

third_party/polymer/v1_0/components-chromium/paper-dialog-behavior/.bower.json

Index: third_party/polymer/v1_0/components-chromium/paper-dialog-behavior/.bower.json
diff --git a/third_party/polymer/v1_0/components-chromium/paper-dialog-behavior/.bower.json b/third_party/polymer/v1_0/components-chromium/paper-dialog-behavior/.bower.json
index 4023c89b7fb9d14b21934eb084408a06f455dd48..6bb6ad46d8332e387518a07fd9df56ab884fcaa7 100644
--- a/third_party/polymer/v1_0/components-chromium/paper-dialog-behavior/.bower.json
+++ b/third_party/polymer/v1_0/components-chromium/paper-dialog-behavior/.bower.json
@@ -1,6 +1,6 @@
 {
   "name": "paper-dialog-behavior",
-  "version": "1.1.1",
+  "version": "1.2.0",
   "description": "Implements a behavior used for material design dialogs",
   "authors": "The Polymer Authors",
   "keywords": [
@@ -26,17 +26,19 @@
   },
   "devDependencies": {
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
+    "iron-demo-helpers": "PolymerElements/iron-demo-helpers#^1.0.0",
+    "iron-test-helpers": "PolymerElements/iron-test-helpers#^1.0.0",
     "paper-button": "PolymerElements/paper-button#^1.0.0",
     "paper-dialog-scrollable": "PolymerElements/paper-dialog-scrollable#^1.0.0",
-    "test-fixture": "PolymerElements/test-fixture#^1.0.0",
+    "paper-icon-button": "PolymerElements/paper-icon-button#^1.0.0",
     "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "_release": "1.1.1",
+  "_release": "1.2.0",
   "_resolution": {
     "type": "version",
-    "tag": "v1.1.1",
-    "commit": "5831039e9f878c63478064abed115c98992b5504"
+    "tag": "v1.2.0",
+    "commit": "a3be07d2784073d5e9e5175fb7d13f7b1f2a5558"
   },
   "_source": "git://github.com/PolymerElements/paper-dialog-behavior.git",
   "_target": "^1.0.0",