Inker

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Inker",
    "description": "Vector graphics editor",
    "version": "0.10.26",
    "manifest_version": 2,
    "app": {
        "background": {
            "scripts": [
                "background.js"
            ]
        }
    },
    "file_handlers": {
        "drawing": {
            "extensions": [
                "ink"
            ]
        }
    },
    "icons": {
        "16": "logo\/inker-icon-16.png",
        "48": "logo\/inker-icon-48.png",
        "128": "logo\/inker-icon-128.png"
    },
    "permissions": [
        "fileSystem",
        "fileSystem.retainEntries",
        "fileSystem.write",
        "storage",
        "system.display"
    ]
}