Revert of Add virtual/rootlayerscrolls/scrollbars test suite.  (patchset #1 id:1 of https://codereview.chromium.org/1379333003/ )

Reason for revert:
BUG=538700

Failing on Mac 10

Original issue's description:
> Add virtual/rootlayerscrolls/scrollbars test suite.
>
> BUG=522389
>
> Committed: https://crrev.com/f2d4bc0b958ae5a8eb2f1cc1abf56036fdca8aa8
> Cr-Commit-Position: refs/heads/master@{#352046}

TBR=skobes@chromium.org,sataya.m@samsung.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=522389

Review URL: https://codereview.chromium.org/1381313002

Cr-Commit-Position: refs/heads/master@{#352087}
3 files changed