The following revision refers to this bug:
  https://chromium.googlesource.com/infra/infra/+/6b0a558cc93187259f005aea5debaca0068632f3

commit 6b0a558cc93187259f005aea5debaca0068632f3
Author: Brandon Wylie <wylieb@chromium.org>
Date: Fri Mar 16 23:02:38 2018

[Findit] Flake Detection - Find a component for a test.

Use component mapping to find components for gtests & layout tests.

Example run for a layout test:
INFO:root:Looking for component of config: chromium.mac/Mac10.13 Tests/304/webkit_layout_tests and test: compositing/geometry/abs-position-inside-opacity.html
INFO:root:Found layout test.
INFO:root:Found component Blink>Compositing for path third_party/WebKit/LayoutTests/compositing/geometry/abs-position-inside-opacity.html
Blink>Compositing

Example run for gtest:
INFO:root:Looking for component of config: chromium.memory/Mac ASan 64 Tests (1)/39368/cc_unittests and test: LayerTreeHostTestEarlyDamageCheckStops.RunMultiThread_DelegatingRenderer
INFO:root:Found component Internals>Compositing for path cc/trees/layer_tree_host_unittest.cc
Internals>Compositing

Bug: 822014
Change-Id: I66117d29dc976fe17b85db2376af2fb6c93f3e65
Reviewed-on: https://chromium-review.googlesource.com/962902
Commit-Queue: Brandon Wylie <wylieb@chromium.org>
Reviewed-by: Jeffrey Li <lijeffrey@chromium.org>

[add] https://crrev.com/6b0a558cc93187259f005aea5debaca0068632f3/appengine/findit/services/test/monorail_util_test.py
[add] https://crrev.com/6b0a558cc93187259f005aea5debaca0068632f3/appengine/findit/services/monorail_util.py