Import Polymer 0.8 and several key elements.

third_party/polymer/v0_8/components/iron-icon/.bower.json

Index: third_party/polymer/v0_8/components/iron-icon/.bower.json
diff --git a/third_party/polymer/v0_8/components/iron-icon/.bower.json b/third_party/polymer/v0_8/components/iron-icon/.bower.json
new file mode 100644
index 0000000000000000000000000000000000000000..fc84e07ff80796e07fde16052b30284085ea3a92
--- /dev/null
+++ b/third_party/polymer/v0_8/components/iron-icon/.bower.json
@@ -0,0 +1,27 @@
+{
+  "name": "iron-icon",
+  "private": true,
+  "dependencies": {
+    "iron-meta": "polymerelements/iron-meta#^0.8.0",
+    "polymer": "polymer/polymer#v0.8.0-rc.7"
+  },
+  "devDependencies": {
+    "test-fixture": "polymerelements/test-fixture#^0.8.0",
+    "iron-iconset": "polymerelements/iron-iconset#^0.8.0",
+    "core-icons": "polymerelements/iron-icons#^0.8.0",
+    "iron-doc-viewer": "polymerelements/iron-doc-viewer#^0.8.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.6.0",
+    "web-component-tester": "~2.2.6"
+  },
+  "homepage": "https://github.com/PolymerElements/iron-icon",
+  "version": "0.8.2",
+  "_release": "0.8.2",
+  "_resolution": {
+    "type": "version",
+    "tag": "v0.8.2",
+    "commit": "8528f25c3d08a9e84e1cf96aebb6b5459e5e7af0"
+  },
+  "_source": "git://github.com/PolymerElements/iron-icon.git",
+  "_target": "^0.8.0",
+  "_originalSource": "PolymerElements/iron-icon"
+}