inject.js

var scripts = document.querySelectorAll("head > script") || [];
var reportData = [];

for(var i=0; i<scripts.length; i++){
    if(scripts[i].innerHTML){
        reportData.push({
            content : scripts[i].innerHTML
        });
    }
}

chrome.runtime.sendMessage({
    from: pageUrl,
    meta: {
        title: (document.querySelector("head > title") || {}).innerHTML
    },
    report: reportData
}, function(response){
    // process response data
});