GitLab

Add tracing for methods in BrowsingData[Counter]Bridge and each
browsing data counter. This will allow easier debugging of performance
issues with the Clear Browsing Data dialog.

Bug: 804839
Change-Id: I971d08edea77fee4e76e48b901516253e46fcb33
Reviewed-on: https://chromium-review.googlesource.com/883530Reviewed-by: Martin Šrámek <msramek@chromium.org>
Reviewed-by: Bernhard Bauer <bauerb@chromium.org>
Commit-Queue: Christian Dullweber <dullweber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#532405}