MetricComputer API change: Do not compute on init; invoke run() to gather browsers and invoke compute(); also ensure that run() promise resolves after work is done by returning compute() promise in nested callback.
MetricComputer API change: Do not compute on init; invoke run() to gather browsers and invoke compute(); also ensure that run() promise resolves after work is done by returning compute() promise in nested callback.

GoogleChromeLabs/confluence,GoogleChromeLabs/confluence,GoogleChromeLabs/confluence