1. How many users of Touchbar
2. Frequency of use for: 
- Back
- Forward 
- Reload (Cancel)
- Search
- New tab
- Bookmark

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/89dcacd0a5b19051970fafaab3321338a50833b4

commit 89dcacd0a5b19051970fafaab3321338a50833b4
Author: spqchan <spqchan@chromium.org>
Date: Tue Mar 14 18:33:40 2017

[Mac] UMA Metrics for the Default Touch Bar

BUG= 699321 

Review-Url: https://codereview.chromium.org/2742633002
Cr-Commit-Position: refs/heads/master@{#456769}

[modify] https://crrev.com/89dcacd0a5b19051970fafaab3321338a50833b4/chrome/browser/ui/cocoa/browser_window_touch_bar.mm
[modify] https://crrev.com/89dcacd0a5b19051970fafaab3321338a50833b4/tools/metrics/histograms/histograms.xml

Going to wait for it to bake in Canary before I make a merge request

Please request a merge if all looks good.

Your change meets the bar and is auto-approved for M58. Please go ahead and merge the CL to branch 3029 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), bhthompson@(ChromeOS), govind@(Desktop)

For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/9d96c0d802a403714c4ce75a9f25aa4d361c77ac

commit 9d96c0d802a403714c4ce75a9f25aa4d361c77ac
Author: spqchan <spqchan@chromium.org>
Date: Fri Mar 17 21:45:17 2017

[Mac] UMA Metrics for the Default Touch Bar

BUG= 699321 

Review-Url: https://codereview.chromium.org/2742633002
Cr-Commit-Position: refs/heads/master@{#456769}
(cherry picked from commit 89dcacd0a5b19051970fafaab3321338a50833b4)

Review-Url: https://codereview.chromium.org/2757033002 .
Cr-Commit-Position: refs/branch-heads/3029@{#278}
Cr-Branched-From: 939b32ee5ba05c396eef3fd992822fcca9a2e262-refs/heads/master@{#454471}

[modify] https://crrev.com/9d96c0d802a403714c4ce75a9f25aa4d361c77ac/chrome/browser/ui/cocoa/browser_window_touch_bar.mm
[modify] https://crrev.com/9d96c0d802a403714c4ce75a9f25aa4d361c77ac/tools/metrics/histograms/histograms.xml