Remove unsafe reinterpret_cast<> in CSSSelector

Bug: none
Change-Id: Ie98cf42a18cfa317001ebfd830681f277ab70c65
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1601723
Commit-Queue: Albert J. Wong <ajwong@chromium.org>
Reviewed-by: Alan Cutter <alancutter@chromium.org>
Cr-Commit-Position: refs/heads/master@{#662422}
2 files changed