Material PDF: Add required Polymer 0.8 elements.

third_party/polymer/v0_8/components/paper-toolbar/bower.json

 {
-  "name": "paper-item",
+  "name": "paper-toolbar",
   "version": "0.8.0",
+  "private": true,
+  "main": [
+    "paper-toolbar.html"
+  ],
   "authors": [
-    "Yvonne Yip <ykyyip@google.com>"
+    "The Polymer Authors"
   ],
-  "keywords": [
-    "web-components",
-    "web-component",
-    "polymer"
-  ],
-  "main": "index.html",
-  "private": true,
   "repository": {
     "type": "git",
-    "url": "git://github.com/PolymerElements/paper-item"
+    "url": "git://github.com/PolymerElements/paper-toolbar.git"
   },
-  "license": "MIT",
-  "homepage": "https://github.com/PolymerElements/paper-item",
-  "ignore": [
-  ],
   "dependencies": {
     "polymer": "Polymer/polymer#v0.8.0-rc.7",
     "paper-styles": "PolymerElements/paper-styles#^0.8.0"
   },
   "devDependencies": {
     "iron-icon": "PolymerElements/iron-icon#^0.8.0",
     "iron-icons": "PolymerElements/iron-icons#^0.8.0",
-    "iron-doc-viewer": "PolymerElements/iron-doc-viewer#^0.8.0",
+    "iron-doc-viewer" : "PolymerElements/iron-doc-viewer#^0.8.0",
     "test-fixture": "PolymerElements/test-fixture#^0.8.0",
-    "web-component-tester": "Polymer/web-component-tester#^2.2.0",
+    "web-component-tester": "~2.2.6",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.6.0"
   }
 }