manifest.json

{
  "name": "HTTPS Mixed Content Locator",
  "short_name": "MixedContent",
  "description": "Easily locate and identify mixed content on any HTTPS site.",
  "version": "1.3",
  "permissions": [
    "https://*/*"
  ],

  "background": {
    "persistent": false,
    "scripts": ["background.js"]
  },

  "content_scripts" : [
    {
        "matches" : [ "<all_urls>" ],
        "js": ["content.js"]
    }
  ],

  "browser_action": {
      "default_title": "Locate mixed content",
      "default_icon": {
            "16": "images/icon16.png",
            "24": "images/icon24.png",
            "32": "images/icon32.png",
            "38": "images/icon38.png"
      },
      "default_popup": "popup.html"
  },
  
  "icons": { "48": "images/icon48.png",
            "128": "images/icon128.png"},
  
  "homepage_url": "https://www.pericror.com",
  
  "minimum_chrome_version": "41",
  
  "manifest_version": 2
}