GitLab

PointerData will be removed, so this converts mouse mojo serialization to use
MouseData.
Also converts to a couple of geometry types.
Also, had to fix a couple of dependencies.

BUG=865781
TEST=covered by tests

Change-Id: Iab8f2ddb5ba0f40bc43271e7135ca46f478a397d
Reviewed-on: https://chromium-review.googlesource.com/c/1267495Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Scott Violet <sky@chromium.org>
Cr-Commit-Position: refs/heads/master@{#597618}