Remove a bunch of frame-level scrolling machinery.

Remove a bunch of frame-level scrolling machinery.

This just removing dead/noop code. No change in behavior.

R=abarth@chromium.org, esprehn@chromium.org

Committed: https://chromium.googlesource.com/external/mojo/+/9a7c8c0629983ca7f05fc06b9049a9b40d8948f5

[abarth-chromium, 2014-10-27 20:06:39]

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

[esprehn, 2014-10-27 20:06:39]

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

[esprehn, 2014-10-27 20:06:39]

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

[esprehn, 2014-10-27 20:06:40]

lgtm

[esprehn, 2014-10-27 20:06:40]

lgtm

[abarth-chromium, 2014-10-27 20:06:41]

lgtm

[esprehn, 2014-10-27 20:06:45]

esprehn@chromium.org changed reviewers:
+ esprehn@chromium.org
- abarth@chromium.org

[esprehn, 2014-10-27 20:06:46]

You're also removing a bunch of position fixed stuff, you might want to mention
that.

[ojan, 2014-10-27 20:08:50]

On 2014/10/27 at 20:06:46, esprehn wrote:
> You're also removing a bunch of position fixed stuff, you might want to
mention that.

I didn't mention because this patch doesn't actually change behavior. I'll say
that explicitly in the change description though.

[ojan, 2014-10-27 20:09:10]

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

[ojan, 2014-10-27 20:10:09]

Committed patchset #1 (id:1) manually as
9a7c8c0629983ca7f05fc06b9049a9b40d8948f5.