EmojiDisplay

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "EmojiDisplay",
  "description": "This extension replaces emoticon text with the Apple Emojis.",
  "version": "0.1",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "web_accessible_resources": [
    "pics/*.png",
    "res.json"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}