Update Polymer components.

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

Index: third_party/polymer/components/paper-menu/.bower.json
diff --git a/third_party/polymer/components/paper-menu/.bower.json b/third_party/polymer/components/paper-menu/.bower.json
index 2feb07eddb125aef078cd0c9385c363ec4ddb6e8..7169014e8f0d3c884b9001db54127876bc174f0c 100644
--- a/third_party/polymer/components/paper-menu/.bower.json
+++ b/third_party/polymer/components/paper-menu/.bower.json
@@ -1,6 +1,6 @@
 {
   "name": "paper-menu",
-  "version": "1.2.2",
+  "version": "1.3.0",
   "description": "Implements an accessible material design menu",
   "authors": "The Polymer Authors",
   "keywords": [
@@ -36,13 +36,13 @@
     "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "_release": "1.2.2",
+  "_release": "1.3.0",
   "_resolution": {
     "type": "version",
-    "tag": "v1.2.2",
-    "commit": "f31a1dbc5b594a84c8c01eca0f23f9bcb8f6ba76"
+    "tag": "v1.3.0",
+    "commit": "7ca8ebfbdcca22fc98e5115c0ed72bf9d05848fe"
   },
-  "_source": "git://github.com/PolymerElements/paper-menu.git",
+  "_source": "https://github.com/PolymerElements/paper-menu.git",
   "_target": "^1.0.0",
   "_originalSource": "PolymerElements/paper-menu"
 }