nl_tokens: Ensures our PT array is in the correct sorted order ( by startTime )
pl_tokens: function ( ) { if ( ! performanceTimelineRequiresSort ) { return ; } // // Measures, which may be in this list, may enter the list in // an unsorted order. For example: // //  1. measure("a") //  2. mark("start_mark") //  3. measure("b", "start_mark") //  4. measure("c") //  5. getEntries() // // When calling #5, we should return [a,c,b] because technically the start time // of c is "0" (navigationStart), which will occur before b's start time due to the mark. // performanceTimeline . <mask> ( function ( a , b ) { return a . startTime - b . startTime ; } ) ; performanceTimelineRequiresSort = false ; }