rem: _getBrowser: function (aDocShell) 
add: _getBrowser: function (aDocShell) 
context:   _getBrowser: function (aDocShell)   {    var tabbrowser = getBrowser();    for (var i = 0; i < tabbrowser.browsers.length; ++i) {      var browser = tabbrowser.getBrowserAtIndex(i);      var soughtShell = aDocShell;      var shell = this._findChildShell(browser.docShell, soughtShell);      if (shell)        return browser;    }    return null;  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/2fb9feaadc992e3ccd442db789244b253d0427f8/browser.js/buggy/browser/base/content/browser.js