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There are all related to 'static_cast not related by inheritance' error. However, some may be also related to trouble appending |.get()| inside macros for |XDisplay*|

Details here: https://docs.google.com/document/d/1cnpd5Rwesq7DCZiD8FIJfPGHvQN3-Gul6xib_4hwfBg/edit?ts=5ed2d317#heading=h.d05331ous77n

Bug: 1069567
Change-Id: I54bc0f57f2eea492f8cd26432a09b09a7d1a8afb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2222056Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Łukasz Anforowicz <lukasza@chromium.org>
Commit-Queue: Bartek Nowierski <bartekn@chromium.org>
Cr-Commit-Position: refs/heads/master@{#773965}