Squash

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Squash",
  "version": "1.1",
  "description": "Saves and closes all the tabs, and opens up any random window.",
  "manifest_version": 2,
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "popup.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": "icon.jpg",
    "default_popup": "popup.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y"
      },
      "description": "Browser action"
    },
    "squash_tabs": {
      "suggested_key": {
        "default": "Ctrl+Space"
      },
      "description": "Squash All The Tabs"
    },
    "restore_tabs": {
      "suggested_key": {
        "default": "Ctrl+Shift+Space"
      },
      "description": "Restore All The Tabs"
    }
  }
}