[css-flexbox] Don't add extra space-between space at the end

[css-flexbox] Don't add extra space-between space at the end

This is a regression from https://crrev.com/2429933002. When processing the
last item on a row we should not add justify-content space to the row height.
I incorrectly simplified the code in that patch. Weirdly we had no tests
for this :(

R=eae@chromium.org
BUG=690024
Review-Url: https://codereview.chromium.org/2697623003
Cr-Commit-Position: refs/heads/master@{#450364}
(cherry picked from commit f63ac52a3a74c9856d6fead1b1fb26a4948b35fe)

Review-Url: https://codereview.chromium.org/2692213006 .
Cr-Commit-Position: refs/branch-heads/2987@{#522}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/d0e875601e88a69b9d6d6943cc6a2215bb0ce48f

[cbiesinger, 2017-02-15 16:52:57]

Description was changed from

==========
[css-flexbox] Don't add extra space-between space at the end

This is a regression from https://crrev.com/2429933002. When processing the
last item on a row we should not add justify-content space to the row height.
I incorrectly simplified the code in that patch. Weirdly we had no tests
for this :(

R=eae@chromium.org
BUG=690024

Review-Url: https://codereview.chromium.org/2697623003
Cr-Commit-Position: refs/heads/master@{#450364}
(cherry picked from commit f63ac52a3a74c9856d6fead1b1fb26a4948b35fe)
==========

to

==========
[css-flexbox] Don't add extra space-between space at the end

This is a regression from https://crrev.com/2429933002. When processing the
last item on a row we should not add justify-content space to the row height.
I incorrectly simplified the code in that patch. Weirdly we had no tests
for this :(

R=eae@chromium.org
BUG=690024

Review-Url: https://codereview.chromium.org/2697623003
Cr-Commit-Position: refs/heads/master@{#450364}
(cherry picked from commit f63ac52a3a74c9856d6fead1b1fb26a4948b35fe)

Review-Url: https://codereview.chromium.org/2692213006 .
Cr-Commit-Position: refs/branch-heads/2987@{#522}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/d0e875601e88a69b9d6d6943cc6a...
==========

[cbiesinger, 2017-02-15 16:52:58]

Committed patchset #1 (id:1) manually as
d0e875601e88a69b9d6d6943cc6a2215bb0ce48f.