Go: Coverage Decorator. Where do the defaults come from?

[pjweinb]

Both package.json and updateCodeCoverageDecorators in src/goCover.ts contain (identical) values for the decorators. Which one is used?

[this issue is just to track our confusion]

[gopherbot]

Change https://golang.org/cl/247769 mentions this issue: src/goCover.go: add go.coverMode to display coverage data and counts