Read it later

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Read it later",
  "description": "Save page to read later.",
  "version": "5.1.0",
  "icons": {
    "16": "/static/icon-16.png",
    "128": "/static/icon.png"
  },
  "permissions": [
    "tabs",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "/static/js/backgroundScript.js"
    ]
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "/static/js/contentScript.js"
      ],
      "css": [
        "/static/css/contentScript.css"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "38": "/static/icon-38.png"
    }
  }
}