Codecov Report

Merging #16739 (dcafd20) into master (4b56aeb) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master   #16739      +/-   ##
============================================
- Coverage     30.14%   30.10%   -0.04%     
  Complexity     1206     1206              
============================================
  Files           454      454              
  Lines         18556    18597      +41     
  Branches       2560     2565       +5     
============================================
+ Hits           5594     5599       +5     
- Misses        12520    12556      +36     
  Partials        442      442              

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Request for data collection review form

All questions are mandatory. You must receive review from a data steward peer on your responses to these questions before shipping new data collection.

1) What questions will you answer with this data?
How often users access the recently closed tabs list.

2) Why does Mozilla need to answer these questions? Are there benefits for users? Do we need this information to address product or business requirements?
Measure whether this feature is used by users and how often.

3) What alternative methods did you consider to answer these questions? Why were they not sufficient?
This is the only way.

4) Can current instrumentation answer these questions?
No. We need a new specific event for a specific app feature.

5) List all proposed measurements and indicate the category of data collection for each measurement, using the Firefox data collection categories found on the Mozilla wiki.

Note that the data steward reviewing your request will characterize your data collection based on the highest (and most sensitive) category.

6) Please provide a link to the documentation for this data collection which describes the ultimate data set in a public, complete, and accurate way.
This collection is documented in the metrics.md document document included in the project - https://github.com/mozilla-mobile/fenix/blob/master/docs/metrics.md

7) How long will this data be collected? Choose one of the following:
Until 2021-05-10.

8) What populations will you measure?
All release channels and locales.

9) If this data collection is default on, what is the opt-out mechanism for users?
Users can opt of of data collection by disabling Usage and technical data from Settings -> Data collection.

10) Please provide a general description of how you will analyze this data.
Glean / Amplitude

11) Where do you intend to share the results of your analysis?
Only on Glean, Amplitude and with mobile teams.

12) Is there a third-party tool (i.e. not Telemetry) that you are proposing to use for this data collection?
No.