Remove WebScroll*

Remove WebScroll*

R=abarth@chromium.org

Committed: https://chromium.googlesource.com/external/mojo/+/1c5bfb0236f1689b1b8f81e882c87f9e2aeac204

[rafaelw, 2014-11-12 23:24:52]

rafaelw@chromium.org changed reviewers:
+ abarth@chromium.org

[abarth-chromium, 2014-11-13 00:38:16]

LGTM

This CL removes a bunch of configurability from the scrollbar system, but I
don't think we'll need that anytime soon.

[rafaelw, 2014-11-13 00:41:23]

Committed patchset #1 (id:1) manually as
1c5bfb0236f1689b1b8f81e882c87f9e2aeac204 (presubmit successful).

[jamesr, 2014-11-14 01:03:34]

jamesr@chromium.org changed reviewers:
+ jamesr@chromium.org

[jamesr, 2014-11-14 01:03:35]

I don't know how but this ended up checking in a subproject commit for
tools/gyp/ - see the bottom of
https://github.com/domokit/mojo/commit/1c5bfb0236f1689b1b8f81e882c87f9e2aeac204.

[jamesr, 2014-11-14 01:04:30]

Think I fixed it:
https://github.com/domokit/mojo/commit/02b32f11dbffc023b3d5f849fb09e79dab51349d
(Although this stuff is super subtle)