rem: encoder.writePNG(this.mBitmap, path.unicodePath, 24); 
add: encoder.writePNG(this.mBitmap, path.path, 24); 
context:   saveImage: function()  {    var encoder = XPCU.createInstance("@mozilla.org/inspector/png-encoder;1", "inIPNGEncoder");    var path = FilePickerUtils.pickFile("Save Image as PNG", "", ["filterAll"], "Save");    if (path)     encoder.writePNG(this.mBitmap, path.unicodePath, 24);  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/1b1677bbe902d38a9d3cd07bddf0e9facf6e0986/boxModel.js/buggy/extensions/inspector/resources/content/viewers/boxModel/boxModel.js