Missing sibling invalidation across removed element.

Missing sibling invalidation across removed element.

When removing B from siblings A B C, we scheduled invalidations for
features of A requiring two adjacent combinators to schedule an
invalidation at all. That is fine for rules already affecting C, but
for rules kicking in after B is removed, a single combinator is enough.
For instance ".a + .c".

R=ericwilligers@chromium.org
BUG=647780
Review-Url: https://codereview.chromium.org/2362463004
Cr-Commit-Position: refs/heads/master@{#421124}
(cherry picked from commit 6e86e7b3077b12108d3a231e75b2da7e3529d04e)

Committed: https://chromium.googlesource.com/chromium/src/+/e642be85ee4f7a28fb3ee6e652abdb5b8f149269

[rune, 2016-09-28 16:11:05]

Description was changed from

==========
Missing sibling invalidation across removed element.

When removing B from siblings A B C, we scheduled invalidations for
features of A requiring two adjacent combinators to schedule an
invalidation at all. That is fine for rules already affecting C, but
for rules kicking in after B is removed, a single combinator is enough.
For instance ".a + .c".

R=ericwilligers@chromium.org
BUG=647780

Review-Url: https://codereview.chromium.org/2362463004
Cr-Commit-Position: refs/heads/master@{#421124}
(cherry picked from commit 6e86e7b3077b12108d3a231e75b2da7e3529d04e)
==========

to

==========
Missing sibling invalidation across removed element.

When removing B from siblings A B C, we scheduled invalidations for
features of A requiring two adjacent combinators to schedule an
invalidation at all. That is fine for rules already affecting C, but
for rules kicking in after B is removed, a single combinator is enough.
For instance ".a + .c".

R=ericwilligers@chromium.org
BUG=647780

Review-Url: https://codereview.chromium.org/2362463004
Cr-Commit-Position: refs/heads/master@{#421124}
(cherry picked from commit 6e86e7b3077b12108d3a231e75b2da7e3529d04e)

Committed:
https://chromium.googlesource.com/chromium/src/+/e642be85ee4f7a28fb3ee6e652ab...
==========

[rune, 2016-09-28 16:11:07]

Committed patchset #1 (id:1) manually as
e642be85ee4f7a28fb3ee6e652abdb5b8f149269.

[Eric Willigers, 2016-09-28 18:22:16]

lgtm