[ScopedTaskEnvironment] Migrate callers off MainThreadType::*MOCK_TIME

Using this regex:
(base::)?(test::)?ScopedTaskEnvironment::[\s\n]*MainThreadType::[\s\n]*(UI|IO)?_?MOCK_TIME

and mapping it to:
\1\2ScopedTaskEnvironment::MainThreadType::\3, \1\2ScopedTaskEnvironment::TimeSource::MOCK_TIME

and then deleting any
(base::)?(test::)?ScopedTaskEnvironment::MainThreadType::,

left behind + git cl format

Will TBR fdoray@ for mechanical change after LGTM
TBR=fdoray@chromium.org

Bug: 946657
Change-Id: I0ec0e9a307c629fcee6816b5443d37a7ab90c0d1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1702461
Reviewed-by: Gabriel Charette <gab@chromium.org>
Reviewed-by: François Doray <fdoray@chromium.org>
Commit-Queue: Gabriel Charette <gab@chromium.org>
Cr-Commit-Position: refs/heads/master@{#677822}
114 files changed