gClear

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "all_frames": true,
      "css": [
        "gclear.css"
      ],
      "matches": [
        "http://mail.google.com/*",
        "https://mail.google.com/*"
      ]
    }
  ],
  "description": "Keep your Gmail clear and clean.",
  "icons": {
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "manifest_version": 2,
  "name": "gClear",
  "page_action": {
    "default_icon": "img/icon-19.png",
    "default_title": "The best Gmail ever!"
  },
  "permissions": [
    "tabs"
  ],
  "version": "1.2.0"
}