Kill Button

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Kill Button",
  "description": "This button removes elements on web pages. Click once to remove elements, click another time or press escape to continue surfing.",
  "version": "1.0",
  "author": "Matthias Luh",
  "icons": {
    "48": "icon_48.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icon_48.png"
    },
    "default_title": "Kill website elements"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "activeTab"
  ]
}