Fix Include Guards in //ui/views

BUG=940130
TBR=sky@chromium.org

Change-Id: Iba354d8024043f2d33b98b7353e4fd9b5f909744
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1516772
Reviewed-by: Robert Liao <robliao@chromium.org>
Commit-Queue: Robert Liao <robliao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#639731}
15 files changed