Upgrade to 1.0 and switch clients to dom-repeat where needed.

third_party/polymer/v0_8/components/iron-overlay-behavior/.bower.json

+{
+  "name": "iron-overlay-behavior",
+  "version": "1.0.1",
+  "license": "http://polymer.github.io/LICENSE.txt",
+  "description": "Provides a behavior for making an element an overlay",
+  "private": true,
+  "main": [
+    "iron-overlay-behavior.html"
+  ],
+  "keywords": [
+    "web-components",
+    "polymer",
+    "behavior",
+    "overlay"
+  ],
+  "authors": [
+    "The Polymer Authors"
+  ],
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/PolymerElements/iron-overlay-behavior.git"
+  },
+  "dependencies": {
+    "polymer": "Polymer/polymer#^1.0.0",
+    "iron-fit-behavior": "PolymerElements/iron-fit-behavior#^1.0.0",
+    "iron-resizable-behavior": "PolymerElements/iron-resizable-behavior#^1.0.0"
+  },
+  "devDependencies": {
+    "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
+    "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.0.0",
+    "iron-test-helpers": "PolymerElements/iron-test-helpers#^1.0.0",
+    "test-fixture": "PolymerElements/test-fixture#^1.0.0",
+    "web-component-tester": "*",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
+  },
+  "homepage": "https://github.com/PolymerElements/iron-overlay-behavior",
+  "_release": "1.0.1",
+  "_resolution": {
+    "type": "version",
+    "tag": "v1.0.1",
+    "commit": "03debac2eb637f2b3e68edb05d8f1e5902e81ebc"
+  },
+  "_source": "git://github.com/PolymerElements/iron-overlay-behavior.git",
+  "_target": "^1.0.0",
+  "_originalSource": "PolymerElements/iron-overlay-behavior"
+}