cpWURL.js

function copyWithURL( info , is_strip_query_string ) {
    var page_url = info.pageUrl
    
    // Strip off query string
    if ( is_strip_query_string ) {
        var qs_idx = page_url.indexOf('?');

        if ( qs_idx != -1 ){
            var page_url = page_url.substring(0, qs_idx);
        }
    }

    // Append URL to text selection
    var copyText = info.selectionText + "\n" + page_url;
    console.log( copyText );

    // Copy text to clipboard
    copyToClipboard( copyText ); 
}

function copyToClipboard( text ){
    var copyPre = document.createElement('pre');
    copyPre.contentEditable = true;
    document.body.appendChild(copyPre);
    copyPre.innerHTML = text;
    copyPre.unselectable = "off";
    copyPre.focus();
    document.execCommand('SelectAll');
    document.execCommand("Copy", false, null);
    document.body.removeChild(copyPre);
}

// Copy with URL Only
chrome.contextMenus.create({
    title: "Copy with URL",
    contexts:["selection"], 
    onclick: function(info, tab) {
        copyWithURL( info, false )
    }
});

// Copy with URL minus Query String
chrome.contextMenus.create({
    title: "Copy with URL minus query string",
    contexts:["selection"], 
    onclick: function(info, tab) {
        copyWithURL( info, true )
    }
});