on(e){e.Drawer=Polymer({is:"strand-drawer",properties:{label:{type:String,value:""},openedLabel:{type:String,value:""},closedLabel:{type:String,value:""},openedHeight:{type:Number,value:0},closedHeight:{type:Number,value:0},forceMeasure:{type:Boolean,value:!1},expanded:{type:Boolean,value:!1,notify:!0,observer:"_expandedChanged"},_height:{type:Number,computed:"_computeDrawerHeight(expanded,openedHeight,closedHeight)"},_showLabel:{type:Boolean,computed:"_hasLabel(label,openedLabel,closedLabel)"}},behaviors:[