Show and Hide Passwords

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "content_scripts": [
    {
      "all_frames": true,
      "js": [
        "content_script.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "description": "Show and Hide Passwords allows you to view and hide passwords on password fields.",
  "icons": {
    "16": "icon16.png",
    "32": "icon32.png",
    "48": "icon48.png",
    "64": "icon64.png",
    "128": "icon128.png"
  },
  "permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "name": "Show and Hide Passwords",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_page": "options.html",
  "version": "1.2",
  "manifest_version": 2,
  "short_name": "SHP"
}