Tabby - Window and Tab Manager

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Tabby - Window and Tab Manager",
  "version": "2.0.3",
  "description": "Manage great amounts of windows and tabs at ease.",
  "icons": {
    "48": "icons/tabby-48.png",
    "96": "icons/tabby-96.png"
  },
  "permissions": [
    "tabs",
    "storage"
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icons/tabby-32.png",
    "default_title": "Tabby",
    "default_popup": "popup/index.html"
  },
  "background": {
    "scripts": [
      "background/background.js"
    ]
  },
  "commands": {
    "last-used-tab": {
      "suggested_key": {
        "default": "Ctrl+1",
        "windows": "Alt+1",
        "mac": "MacCtrl+1"
      },
      "description": "Open last used tab"
    },
    "last-used-window": {
      "suggested_key": {
        "default": "Ctrl+2",
        "windows": "Alt+2",
        "mac": "MacCtrl+2"
      },
      "description": "Open last used window"
    }
  }
}