static/ext/src/data/flash/BinaryXhr.js
function (state) {
        var me = this;
        if (me.readyState != state) {
            me.readyState = state;
            me.onreadystatechange();
        }
    }
function (state) {
        var me = this;
        if (me.readyState != state) {
            me.readyState = state;
            me.onreadystatechange();
        }
    }
Updates readyState and notifies listeners.
@private