GitLab

Views with backing Layers that set a |clip_path_| will now create
a ViewMaskLayer object that masks the area designated by the clip.
The View Layer and all child Layers will be masked by the
ViewLayerMask.

Made some small changes to the original set_clip_path() setter and
calling functions.

Bug: None
Change-Id: Id746a72042d9f114144db01e289a603abe5afe9a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2031640Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: Peter Kasting <pkasting@chromium.org>
Commit-Queue: Thomas Lukaszewicz <tluk@chromium.org>
Cr-Commit-Position: refs/heads/master@{#739105}