TweetBlocker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "TweetBlocker",
  "description": "This extension lets you block tweets that you don't want to see on Twitter by keyword.",
  "version": "1.0.0.0",
  "browser_action": {
    "default_icon": "twitter_16.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "activeTab",
    "https://ajax.googleapis.com/",
    "https://www.google-analytics.com/",
    "tabs",
    "http://*/*",
    "storage"
  ],
  "icons": {
    "16": "twitter_16.png",
    "48": "twitter_48.png",
    "128": "twitter_128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*"
      ],
      "js": [
        "jquery-2.2.0.min.js",
        "tweetblocker.js",
        "popup.js"
      ],
      "run_at": "document_end"
    }
  ],
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'"
}