function drawLines(type, strokeStyle)
        {
            var lines = linesByType[type];
            if (!lines)
                return;
            var n = lines.length;
            context.beginPath();
            context.strokeStyle = strokeStyle;
            for (var i = 0; i < n;) {
                var y = lines[i++] * WebInspector.NetworkOverview._bandHeight + paddingTop;
                var startTime = lines[i++];
                var endTime = lines[i++];
                if (endTime === Number.MAX_VALUE)
                    endTime = calculator.maximumBoundary();
                context.moveTo(calculator.computePosition(startTime), y);
                context.lineTo(calculator.computePosition(endTime) + 1, y);
            }
            context.stroke();
        }
@param {string} type
@param {string} strokeStyle