{
    "manifest_version": 2,

    "name":           "ros_window_ready",
    "version":        "0.1",
    "description":    "Sends the message through ROS that application is ready",

    "background": {
        "persistent": true,
        "scripts": [
            "eventemitter2.min.js",
            "roslib.min.js",
            "listener.js"
        ]
    },

    "permissions":    [
        "webNavigation", "<all_urls>", "tabs", "history"
    ],

    "content_scripts": [
        {
            "matches": ["<all_urls>"],
            "js": ["contentEventProxy.js"]
        }
    ]
}

{
    "manifest_version": 2,

    "name":           "ros_window_ready",
    "version":        "0.1",
    "description":    "Sends the message through ROS that application is ready",

    "background": {
        "persistent": true,
        "scripts": [
            "eventemitter2.min.js",
            "roslib.min.js",
            "listener.js"
        ]
    },

    "permissions":    [
        "webNavigation", "<all_urls>", "tabs", "history"
    ],

    "content_scripts": [
        {
            "matches": ["<all_urls>"],
            "js": ["contentEventProxy.js"]
        }
    ],

    "run_at": "document_start"
}

Switch run_at to document start for ros_window_ready extension
Switch run_at to document start for ros_window_ready extension
