function getRemoteScript() {
        var transportScript = _transport.getRemoteScript() || "";
        var remoteFunctionsScript = getRemoteFunctionsScript() || "";
        return transportScript +
            "<script>\n" + LiveDevProtocolRemote + "</script>\n" +
            remoteFunctionsScript;
    }
Returns a script that should be injected into the HTML that's launched in the
browser in order to handle protocol requests. Includes the <script> tags.
This script will also include the script required by the transport, if any.
@return {string}