The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/a6a8d9426e919da295459b82b206fe7481fbfbf1

commit a6a8d9426e919da295459b82b206fe7481fbfbf1
Author: Tiff Zhang <zhangtiff@google.com>
Date: Thu Feb 22 22:58:01 2018

SoM: Split annotations by tree.


Bug:784529
Bug:809803
Bug:809805
Change-Id: Iec72def3121e3c308dc297cd675a891710d44813
Reviewed-on: https://chromium-review.googlesource.com/930329
Commit-Queue: Tiffany Zhang <zhangtiff@chromium.org>
Reviewed-by: Sean McCullough <seanmccullough@chromium.org>

[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/som/handler/analyze_test.go
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/main.go
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/elements/som-annotations/som-annotations.js
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/som/handler/annotations.go
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/som/model/model.go
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/elements/som-rev-range/som-rev-range.js
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/elements/som-drawer/som-drawer.js
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/som/handler/analyze.go
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/som/handler/main_test.go
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/test/som-drawer-test.html
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/elements/som-drawer/som-drawer.html
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/test/som-annotations-test.html
[modify] https://crrev.com/a6a8d9426e919da295459b82b206fe7481fbfbf1/go/src/infra/appengine/sheriff-o-matic/frontend/test/som-rev-range-test.html