manifest.json

{
  "manifest_version": 2,
  "name": "Embedder",
  "version": "1.0",
  "description": "Easily generate embed codes to display your Google Photos and Picasa Web Albums content on your blog or elsewhere.",
  "icons": {
    "16": "img/16.png",
    "32": "img/32.png",
    "48": "img/48.png",
    "64": "img/64.png",
    "92": "img/92.png",
    "128": "img/128.png",
    "256": "img/256.png"
  },
  "short_name": "Embedder",
  "permissions": [
    "identity", "identity.email",
    "storage",
    "https://picasaweb.google.com/",
    "https://accounts.google.com/",
    "https://*.googleusercontent.com/",
    "https://www.google-analytics.com/"
  ],
  "app": {
    "background": {
      "scripts": [
        "js/background.js"
      ]
    }
  },
  "oauth2": {
    // live app client_id
    // "client_id": "932871251130-r3t6rj3t5um5vhmlqnlqt810047k4one.apps.googleusercontent.com",
    // development app client_id
    "client_id": "596884473913-57c4n8bcest5bpr2og64s5b5muepk4nf.apps.googleusercontent.com",
    "scopes": [
      "https://picasaweb.google.com/data",
      "https://www.googleapis.com/auth/plus.login"
    ]
  },
  "minimum_chrome_version": "37"
}