TweetBlock

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "TweetBlock",
  "description": "Block specific tweets from appearing on your timeline without blocking the user creating them.",
  "version": "1.0.0",
  "options_page": "options/options.html",
  "browser_action": {
    "default_icon": "img/icon.png",
    "default_popup": "popup/popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.twitter.com/*",
        "*://twitter.com/*"
      ],
      "css": [
        "sitecontent/twitter.css"
      ],
      "js": [
        "commonjs/blocked_tweet_db.js",
        "sitecontent/twitter.js"
      ],
      "run_at": "document_start"
    }
  ],
  "permissions": [
    "storage",
    "https://platform.twitter.com/*"
  ],
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "128": "img/icon128.png"
  },
  "content_security_policy": "script-src 'self' https://platform.twitter.com/ https://syndication.twitter.com/; object-src 'self'"
}