Examine source code of PassCamp: Password Manager

{
  "manifest_version": 2,
  "name": "PassCamp: Password Manager",
  "default_locale": "en",
  "version": "1.4.8.254",
  "permissions": [
    "activeTab",
    "https://api.passcamp.com/*",
    "nativeMessaging",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*",
        "file:///*"
      ],
      "js": [
        "content-script.js"
      ],
      "css": [
        "content-script.css"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "description": "PassCamp is an easy to use and bulletproof security-oriented password management tool.",
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "windows": "Alt+Shift+P",
        "mac": "Alt+Shift+P",
        "chromeos": "Alt+Shift+P",
        "linux": "Alt+Shift+P"
      }
    }
  },
  "background": {
    "page": "background/index.html",
    "persistent": true
  },
  "browser_action": {
    "default_title": "PassCamp",
    "default_popup": "popup/index.html",
    "default_icon": "popup/assets/logo/32x32.png"
  },
  "icons": {
    "16": "/popup/assets/logo/16x16.png",
    "32": "/popup/assets/logo/32x32.png",
    "48": "/popup/assets/logo/48x48.png",
    "96": "/popup/assets/logo/96x96.png",
    "128": "/popup/assets/logo/128x128.png",
    "256": "/popup/assets/logo/256x256.png",
    "512": "/popup/assets/logo/512x512.png",
    "1024": "/popup/assets/logo/1024x1024.png"
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "{6a9358fd-9931-459e-a7de-3f49594f3417}"
    }
  }
}