My Screen Grab Extension

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "My Screen Grab Extension",
  "description": "It's a tool where you can take screenshot any webpage anytime from your browser.",
  "homepage_url": "http://myscreengrabextension.com/",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "permissions": [
    "storage",
    "declarativeContent",
    "https://www.springfieldsearchsolutions.com/myscreengrab/",
    "activeTab",
    "tabs",
    "<all_urls>"
  ],
  "version": "1.2",
  "browser_action": {
    "default_icon": {
      "16": "public/images/bd-16.png",
      "32": "public/images/bd-32.png",
      "48": "public/images/bd-48.png",
      "128": "public/images/bd-128.png"
    },
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "public/images/bd-16.png",
    "32": "public/images/bd-32.png",
    "48": "public/images/bd-48.png",
    "128": "public/images/bd-128.png"
  },
  "chrome_url_overrides": {
    "newtab": "landing.html"
  },
  "web_accessible_resources": [
    "images/*.*"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content-script.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self';style-src 'self' 'unsafe-inline' *;media-src *;"
}