* Don't show "context" for classes without either contextType or contextTypes
* For classes with contextTypes, change the label to "legacy context" instead

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Originally reported by @gaearon via https://github.com/bvaughn/react-devtools-experimental/issues/368
fiberSelfDurations,
            interactionIDs,
            priorityLevel,
            timestamp: commitTime,
          });
        });
        dataForRoots.push({
          commitData,
          displayName,
          initialTreeBaseDurations,
          interactionCommits: Array.from(interactionCommits.entries()),
          interactions: Array.from(allInteractions.entries()),
          rootID,
        });
      },
    );
    return {
      dataForRoots,
      rendererID,
    };
  }
  function startProfiling(shouldRecordChangeDescriptions: boolean) {
    if (isProfiling) {
      return;
    }
    recordChangeDescriptions = shouldRecordChangeDescriptions;
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