Update Polymer components.

third_party/polymer/components/paper-behaviors/.bower.json

Index: third_party/polymer/components/paper-behaviors/.bower.json
diff --git a/third_party/polymer/components/paper-behaviors/.bower.json b/third_party/polymer/components/paper-behaviors/.bower.json
index 5c0bc1109978e6cdd01cb2dd9fec15230338645d..b0eee665f00da258d0eb593f908450beabb5aa45 100644
--- a/third_party/polymer/components/paper-behaviors/.bower.json
+++ b/third_party/polymer/components/paper-behaviors/.bower.json
@@ -1,6 +1,6 @@
 {
   "name": "paper-behaviors",
-  "version": "1.0.12",
+  "version": "1.0.13",
   "description": "Common behaviors across the paper elements",
   "authors": [
     "The Polymer Authors"
@@ -39,11 +39,11 @@
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
   "ignore": [],
-  "_release": "1.0.12",
+  "_release": "1.0.13",
   "_resolution": {
     "type": "version",
-    "tag": "v1.0.12",
-    "commit": "424919089ce3a68dfac1de17e6a56f4e09048e95"
+    "tag": "v1.0.13",
+    "commit": "eb329350960beb6612088bb588f4f3cfeeafd270"
   },
   "_source": "https://github.com/PolymerElements/paper-behaviors.git",
   "_target": "^1.0.0",