Gyazo GIF to MP4

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Gyazo GIF to MP4",
  "short_name": "GIF to MP4",
  "version": "1.0.2.1",
  "manifest_version": 2,
  "description": "An extension to change GIFs to MP4 version on Gyazo",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "default_locale": "en",
  "author": "Lukas McDiarmid",
  "permissions": [
    "activeTab"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://gyazo.com/*"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "js/injectGyazo.js"
  ]
}