The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/3793199ef338f7a3f19ba5d6d35ceb8ba63c8f33

commit 3793199ef338f7a3f19ba5d6d35ceb8ba63c8f33
Author: toyoshim <toyoshim@chromium.org>
Date: Tue Apr 25 05:20:29 2017

Web MIDI dynamic instantiation experiment-controlled rollouts: step 4

Enable dynamic instantiation mode by default on Linux, ChromeOS,
and Windows. Other platforms still need to rely on the existing
experiment-controlled flag and will be launched separately.

BUG=672793, 714511 

Review-Url: https://codereview.chromium.org/2835083002
Cr-Commit-Position: refs/heads/master@{#466881}

[modify] https://crrev.com/3793199ef338f7a3f19ba5d6d35ceb8ba63c8f33/media/midi/midi_service.cc

Your change meets the bar and is auto-approved for M59. Please go ahead and merge the CL to branch 3071 manually. Please contact milestone owner if you have questions.
Owners: amineer@(Android), cmasso@(iOS), gkihumba@(ChromeOS), Abdul Syed@(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/+/814d90a45d7608581b0e70e52abb964e713a6dba

commit 814d90a45d7608581b0e70e52abb964e713a6dba
Author: Takashi Toyoshima <toyoshim@chromium.org>
Date: Wed Apr 26 07:33:07 2017

Web MIDI dynamic instantiation experiment-controlled rollouts: step 4

Enable dynamic instantiation mode by default on Linux, ChromeOS,
and Windows. Other platforms still need to rely on the existing
experiment-controlled flag and will be launched separately.

BUG=672793, 714511 
TBR=yhirano@chromium.org

Review-Url: https://codereview.chromium.org/2835083002
Cr-Commit-Position: refs/heads/master@{#466881}
(cherry picked from commit 3793199ef338f7a3f19ba5d6d35ceb8ba63c8f33)

Review-Url: https://codereview.chromium.org/2842963002 .
Cr-Commit-Position: refs/branch-heads/3071@{#218}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}

[modify] https://crrev.com/814d90a45d7608581b0e70e52abb964e713a6dba/media/midi/midi_service.cc