Focus on first input (keyboard shortcut)

{
    "update_url": "https:\/\/clients2.google.com\/service\/update2\/crx",
    "name": "Focus on first input (keyboard shortcut)",
    "version": "0.1.8",
    "manifest_version": 2,
    "description": "Adds a shortcut that focuses the cursor on the first text input.",
    "icons": {
        "128": "icon.png"
    },
    "content_scripts": [
        {
            "matches": [
                "http:\/\/*\/*",
                "https:\/\/*\/*"
            ],
            "js": [
                "inj.js"
            ]
        }
    ],
    "background": {
        "scripts": [
            "background.js"
        ],
        "persistent": false
    },
    "commands": {
        "focus-first-input": {
            "suggested_key": {
                "default": "Alt+S"
            },
            "description": "Focus on the first input on the screen"
        }
    },
    "content_security_policy": "script-src 'self'; object-src 'self'"
}