Add Polymer iron-image to Chromium checkout.

third_party/polymer/v1_0/components-chromium/iron-image/bower.json

 {
-  "name": "paper-spinner",
-  "version": "1.1.0",
-  "description": "A material design spinner",
+  "name": "iron-image",
+  "version": "1.2.0",
+  "license": "http://polymer.github.io/LICENSE.txt",
+  "description": "An image-displaying element with lots of convenient features",
+  "private": true,
   "authors": [
     "The Polymer Authors"
   ],
   "keywords": [
     "web-components",
     "polymer",
-    "spinner",
-    "loading"
+    "media"
   ],
-  "private": true,
   "repository": {
     "type": "git",
-    "url": "git://github.com/PolymerElements/paper-spinner"
+    "url": "git://github.com/PolymerElements/iron-image.git"
   },
-  "license": "http://polymer.github.io/LICENSE.txt",
-  "homepage": "https://github.com/PolymerElements/paper-spinner",
-  "ignore": [],
   "dependencies": {
     "iron-flex-layout": "PolymerElements/iron-flex-layout#^1.0.0",
-    "paper-styles": "PolymerElements/paper-styles#^1.0.0",
     "polymer": "Polymer/polymer#^1.1.0"
   },
   "devDependencies": {
     "iron-component-page": "PolymerElements/iron-component-page#^1.0.0",
+    "paper-styles": "PolymerElements/paper-styles#^1.0.4",
     "test-fixture": "PolymerElements/test-fixture#^1.0.0",
-    "web-component-tester": "*",
+    "web-component-tester": "^4.0.0",
     "webcomponentsjs": "webcomponents/webcomponentsjs#^0.7.0"
   },
-  "main": [
-    "paper-spinner.html",
-    "paper-spinner-lite.html"
-  ]
+  "main": "iron-image.html",
+  "ignore": []
 }