eFrameNumber===undefined)return;return prevLTHI.activeTree.sourceFrameNumber===this.sourceFrameNumber;},get otherTree(){const other=this.whichTree===constants.ACTIVE_TREE?constants.PENDING_TREE:constants.ACTIVE_TREE;return this.layerTreeHostImpl.getTree(other);},get gpuMemoryUsageInBytes(){let totalBytes=0;this.iterLayers(function(layer){if(layer.gpuMemoryUsageInBytes!==undefined){totalBytes+=layer.gpuMemoryUsageInBytes;}});return totalBytes;},iterLayers(func,thisArg){const visitedLayers={};function...