Only happens on Win though.

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/de4ded99f7d56e00daf85c0edac22bf16c38d75f

commit de4ded99f7d56e00daf85c0edac22bf16c38d75f
Author: dgozman <dgozman@chromium.org>
Date: Tue Mar 22 18:33:49 2016

Mark inspector-protocol/input/eventTimestamp.html as flaky on Win.

BUG= 596968 
TBR=majidvp@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/1819273004

Cr-Commit-Position: refs/heads/master@{#382620}

[modify] https://crrev.com/de4ded99f7d56e00daf85c0edac22bf16c38d75f/third_party/WebKit/LayoutTests/TestExpectations

Deprecating component:Blink>LayoutTests, to use label Test=Layout instead. Merging these to component:Blink for the Blink rotation to pick up and re-triage as appropriate. 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/310fda3e3c3fb4e2c257e3962a81d44397cf7297

commit 310fda3e3c3fb4e2c257e3962a81d44397cf7297
Author: Dmitry Gozman <dgozman@chromium.org>
Date: Wed Aug 02 00:28:41 2017

[DevTools] Unflake some inspector-protocol layout tests

BUG= 402805 , 596968 , 734762 

Change-Id: I05a0b54423a5e6acdd5052e734cfd01e3ed49822
Reviewed-on: https://chromium-review.googlesource.com/597013
Commit-Queue: Dmitry Gozman <dgozman@chromium.org>
Commit-Queue: Andrey Lushnikov <lushnikov@chromium.org>
Reviewed-by: Andrey Lushnikov <lushnikov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#491169}
[modify] https://crrev.com/310fda3e3c3fb4e2c257e3962a81d44397cf7297/third_party/WebKit/LayoutTests/TestExpectations
[modify] https://crrev.com/310fda3e3c3fb4e2c257e3962a81d44397cf7297/third_party/WebKit/LayoutTests/inspector-protocol/input/eventTimestamp-expected.txt
[modify] https://crrev.com/310fda3e3c3fb4e2c257e3962a81d44397cf7297/third_party/WebKit/LayoutTests/inspector-protocol/input/eventTimestamp.js