Refactor browser_thread_unittest.cc

No need for the complicated constructor params if all can be done in the
constructor itself.

Change-Id: I75db0a61665923706f7b4b2b0f3f9ee792db1123
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1569906
Auto-Submit: Carlos Caballero <carlscab@google.com>
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#653160}
1 file changed