GitLab

Fix ProfileWindowBrowserTest.OpenBrowserWindowForProfileWithSigninRequired on Linux
The test is flaky due to race conditionin the test body.

Bug: 904397, 901430
Change-Id: I80b73f507e3826fc7a707379b89b39a3e7aa68c5
Reviewed-on: https://chromium-review.googlesource.com/c/1330032Reviewed-by: Mihai Sardarescu <msarda@chromium.org>
Commit-Queue: Owen Min <zmin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#607260}