Broken references in Resource Timing

[dontcallmedom-bot]

While crawling Resource Timing, the following links to other specifications were detected as pointing to non-existing anchors:

• https://webidl.spec.whatwg.org/#default-tojson-operation
• https://www.w3.org/TR/navigation-timing-2/#dom-PerformanceNavigationTiming-startTime
• https://www.w3.org/TR/performance-timeline/#dom-performance

_{This issue was detected and reported semi-automatically by Strudy based on data collected in webref.}