Roll third_party/polymer.

third_party/polymer/v1_0/bower.json

 {
   "name": "chromium",
   "private": true,
   "dependencies": {
     "polymer": "Polymer/polymer#^v1.0.0",
     "polymer-externs": "PolymerLabs/polymer-externs#^1.0.0",
     "font-roboto": "PolymerElements/font-roboto#^1.0.0",
     "iron-a11y-keys": "PolymerElements/iron-a11y-keys#^1.0.0",
     "iron-a11y-keys-behavior": "PolymerElements/iron-a11y-keys-behavior#^1.0.0",
     "iron-autogrow-textarea": "PolymerElements/iron-autogrow-textarea#^1.0.0",
@@ skipping 43 matching lines @@
     "paper-radio-group": "PolymerElements/paper-radio-group#^1.0.0",
     "paper-ripple": "PolymerElements/paper-ripple#^1.0.0",
     "paper-slider": "PolymerElements/paper-slider#^1.0.0",
     "paper-spinner": "PolymerElements/paper-spinner#^1.0.0",
     "paper-styles": "PolymerElements/paper-styles#^1.0.0",
     "paper-tabs": "PolymerElements/paper-tabs#^1.0.0",
     "paper-toggle-button": "PolymerElements/paper-toggle-button#^1.0.0",
     "paper-toolbar": "PolymerElements/paper-toolbar#^1.0.0",
     "paper-tooltip": "PolymerElements/paper-tooltip#^1.0.0",
     "web-animations-js": "web-animations/web-animations-js#^2.0.0",
-    "paper-listbox": "polymerelements/paper-listbox#~1.1.2"
+    "paper-listbox": "polymerelements/paper-listbox#~1.1.2",

[dpapad, 2016/04/06 19:34:21]

Lines 64-65 should probably use "#^a.b.c" instead of "#~a.b.c", right? Just
noticed this.

[Dan Beam, 2016/04/06 22:00:31]

assuming you already saw this, but: https://github.com/npm/node-semver

[michaelpg, 2016/04/07 00:57:50]

yeah, ^1.0.0

[Dan Beam, 2016/04/07 01:00:45]

we talked about this in standup today: whether it'd be worth locking down
element versions and moving them more manually rather than just always using
^1.0.0.

i think we're just paying the price for integration sooner or later.

just fyi

+    "iron-a11y-announcer": "PolymerElements/iron-a11y-announcer#~1.0.4"
   }
 }