Manual merge into the M64 beta branch: Clear pagination offset on fragmentation update.

https://chromium-review.googlesource.com/846343

Tbr: schenney@chromium.org
Bug: 797751
Cq-Include-Trybots: master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
Change-Id: I8dae9beea635830a42e555bff17d07ff07348d24
Reviewed-on: https://chromium-review.googlesource.com/849255
Reviewed-by: Chris Harrelson <chrishtr@chromium.org>
Cr-Commit-Position: refs/branch-heads/3282@{#402}
Cr-Branched-From: 5fdc0fab22ce7efd32532ee989b223fa12f8171e-refs/heads/master@{#520840}
1 file changed