The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/8d29f62bf65145e292758f6c439fd07b8b6c8c52

commit 8d29f62bf65145e292758f6c439fd07b8b6c8c52
Author: Takumi Fujimoto <takumif@chromium.org>
Date: Fri Nov 09 00:46:04 2018

[Harmony Cast Dialog] Change the sink list height limit to 6.5 items

Also use the correct button height const to reflect a recent change.

Bug:  881923 
Change-Id: I2553c3d8d891a25b981edce8f0578e516d7ebe43
Reviewed-on: https://chromium-review.googlesource.com/c/1327557
Reviewed-by: Brandon Tolsch <btolsch@chromium.org>
Commit-Queue: Takumi Fujimoto <takumif@chromium.org>
Cr-Commit-Position: refs/heads/master@{#606678}
[modify] https://crrev.com/8d29f62bf65145e292758f6c439fd07b8b6c8c52/chrome/browser/ui/views/media_router/cast_dialog_view.cc