function addStatistics(record)
        {
            var counters = WebInspector.TimelineUIUtils.isCoalescable.countersForRecord(record);
            if (!counters)
                return;
            for (var name in counters) {
                var counter = this._countersByName[name];
                if (counter)
                    counter.appendSample(record.endTime() || record.startTime(), counters[name]);
            }

            var gpuMemoryLimitCounterName = "gpuMemoryLimitKB";
            if (this._gpuMemoryCounter && (gpuMemoryLimitCounterName in counters))
                this._gpuMemoryCounter.setLimit(counters[gpuMemoryLimitCounterName]);
        }
@param {!WebInspector.TimelineModel.Record} record
@this {!WebInspector.MemoryCountersGraph}