GitLab

As discussed @
https://chromium-review.googlesource.com/c/chromium/src/+/1758440/8#message-f222f67d1440dc03932cb7b666ad65dde5a22b33

Used the following regex to identify files with such variables:
(Browser|Web)TaskEnvironment ([^t]|t[^a]|ta[^s]|tas[^k])\w*;

And then replaced remaining \w*(threads_|bundle_)\w* in the affected
files.

TBR=dcheng@chromium.org

Bug: 992483
Change-Id: Ie363916c3b362d3b1b797db97000b51bceb148aa
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1762330
Commit-Queue: Gabriel Charette <gab@chromium.org>
Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#689148}