Untoaster

breakout.js

"use strict";
document.addEventListener('DOMContentLoaded', () => {
    const frame = document.getElementById('target-frame');
    if (frame && frame.src) {
        const source = frame.src;
        frame.parentElement.removeChild(frame);
        window.location.href = source;
    }
});

manifest.json

{
    "manifest_version": 2,
    "name": "Untoaster",
    "version": "0.1",
    "description": "Removes SocialToaster from your browsing experience.",
    "author": "Kevin Jones",
    "minimum_chrome_version": "45",
    "content_scripts": [
        {
            "run_at": "document_start",
            "matches": ["*://my.socialtoaster.com/*"],
            "js": ["breakout.js"]
        }
    ]
}