Describe what you were doing when the bug occurred:
1. Add interaction tracing with unstable_trace
2. Record a profile, navigate to Profiler > Profiled Interactions
3. Error appears when scrolling view or immediately

![Kapture 2020-05-01 at 8 37 44](https://user-images.githubusercontent.com/131928/80805899-3688c400-8b87-11ea-88ca-3a7ae7de3589.gif)
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DevTools version: 4.6.0-6cceaeb67

Call stack: at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:344360
    at Array.map (<anonymous>)
    at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:40:344166
    at ci (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:59620)
    at Ll (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:109960)
    at qc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102381)
    at Hc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102306)
    at Vc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:102171)
    at Tc (chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:98781)
    at chrome-extension://fmkadmapgofadopljbjfkapdkoienihi/build/main.js:32:46014

Component stack: in Unknown
    in Unknown
    in div
    in div
    in n
    in div
    in bc
    in div
    in n
    in div
    in vc
    in div
    in div
    in div
    in So
    in Unknown
    in n
    in Unknown
    in div
    in div
    in rl
    in Ze
    in fn
    in Ga
    in _s
rootID,
        snapshots: new Map(snapshots),
      });
    },
  );
  return {dataForRoots};
}
export function prepareProfilingDataExport(
  profilingDataFrontend: ProfilingDataFrontend,
): ProfilingDataExport {
  const dataForRoots: Array<ProfilingDataForRootExport> = [];
  profilingDataFrontend.dataForRoots.forEach(
    ({
      commitData,
      displayName,
      initialTreeBaseDurations,
      interactionCommits,
      interactions,
      operations,
      rootID,
      snapshots,
    }) => {
      dataForRoots.push({
        commitData: commitData.map(
          ({
            changeDescriptions,
            duration,
            fiberActualDurations,
            fiberSelfDurations,
            interactionIDs,