=============== CONTENT.JS ====================
let n = 0;
function run() {
    var links = document.getElementsByClassName('cur_pointer open_in1 new_act_btn col_in center big_link');
    links[n].click();
    await => sleep(5000);

    chrome.tabs.query({active: true, currentWindow: true}, function(tabs) {
        // query the active tab, which will be only one tab
        //and inject the script in it
        chrome.tabs.executeScript(tabs[0].id, {file: "like.js"});
    });

}

run();

=============== LIKE.JS ====================

function run() {
    document.getElementsByClassName('glyphsSpriteHeart__outline__24__grey_9 Szr5J')[0].click();
    alert('clicked');
}
run();