Import Polymer 0.8 and several key elements.

third_party/polymer/v0_8/components-chromium/paper-button/.bower.json

Index: third_party/polymer/v0_8/components-chromium/paper-button/.bower.json
diff --git a/third_party/polymer/v0_8/components-chromium/paper-button/.bower.json b/third_party/polymer/v0_8/components-chromium/paper-button/.bower.json
new file mode 100644
index 0000000000000000000000000000000000000000..3613e404e6bf6cd9d3795e9d40ed397cce4662f9
--- /dev/null
+++ b/third_party/polymer/v0_8/components-chromium/paper-button/.bower.json
@@ -0,0 +1,31 @@
+{
+  "name": "paper-button",
+  "private": true,
+  "dependencies": {
+    "polymer": "polymer/polymer#v0.8.0-rc.7",
+    "paper-ripple": "polymerelements/paper-ripple#^0.8.0",
+    "paper-card": "polymerelements/paper-card#^0.8.0",
+    "paper-behaviors": "polymerelements/paper-behaviors#^0.8.0"
+  },
+  "devDependencies": {
+    "iron-component-page": "polymerelements/iron-component-page#^0.8.0",
+    "test-fixture": "polymerelements/test-fixture#^0.8.0",
+    "iron-icon": "polymerelements/iron-icon#^0.8.0",
+    "iron-icons": "polymerelements/iron-icons#^0.8.0",
+    "iron-test-helpers": "polymerelements/iron-test-helpers#^0.8.0",
+    "paper-styles": "polymerelements/paper-styles#^0.8.0",
+    "webcomponentsjs": "webcomponents/webcomponentsjs#^0.6.0",
+    "web-component-tester": "*"
+  },
+  "homepage": "https://github.com/PolymerElements/paper-button",
+  "version": "0.8.1",
+  "_release": "0.8.1",
+  "_resolution": {
+    "type": "version",
+    "tag": "v0.8.1",
+    "commit": "1a985b374c6ba563e79ad1c0056b4df63491bd80"
+  },
+  "_source": "git://github.com/PolymerElements/paper-button.git",
+  "_target": "^0.8.0",
+  "_originalSource": "PolymerElements/paper-button"
+}