WordSwap

manifest.json

{
  "update_url": "http://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "WordSwap",
  "description": "Passive vocabulary building extension",
  "version": "0.0.2",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "backgroundPage.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "swap.js"
      ],
      "css": [
        "swap.css"
      ],
      "run_at": "document_start",
      "all_frames": true
    }
  ],
  "browser_action": {
    "default_icon": {
      "19": "icon19.png",
      "38": "icon38.png"
    },
    "default_title": "WordSwap",
    "default_popup": "guide.html"
  }
}