Revert of Disable subsequence caching when didLayoutWithPendingStylesheets is true.

Revert of Disable subsequence caching when didLayoutWithPendingStylesheets is true. (patchset #1 id:1 of https://codereview.chromium.org/1827043003/ )

Reason for revert:
Build failed. The branch was before we renamed the getters from property to getProperty.

Original issue's description:
> Disable subsequence caching when didLayoutWithPendingStylesheets is true.
> 
> BUG=593758
> 
> Review URL: https://codereview.chromium.org/1823353003
> 
> Cr-Commit-Position: refs/heads/master@{#382791}
> (cherry picked from commit 27c25394291c192a6a10a83f2bae1c1539feb993)
> 
> Committed: https://chromium.googlesource.com/chromium/src/+/91283f70477be7d059454b89fb7839dbd465130d

TBR=chrishtr@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=593758

[trchen, 2016-03-24 20:57:57]

Created Revert of Disable subsequence caching when
didLayoutWithPendingStylesheets is true.

[commit-bot: I haz the power, 2016-03-24 20:58:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1833003002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1833003002/1

[commit-bot: I haz the power, 2016-03-24 20:59:45]

Committed patchset #1 (id:1)