Remove usage of prefs::kDataSaverEnabled in DRPBrowserTest

One of several CLs to clean up usage of this pref.

Bug: 934399
Change-Id: I4c1f08c52a0e6ef1a89699ddef269945eac8e431
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1529732
Reviewed-by: rajendrant <rajendrant@chromium.org>
Commit-Queue: Robert Ogden <robertogden@chromium.org>
Cr-Commit-Position: refs/heads/master@{#641991}
1 file changed