Refactor flexbox layout a bit

Refactor flexbox layout a bit

Instead of passing around three different vectors with related data
(children, child sizes, inflexible items), merge the two into a single
vector that stores all the information. Bonus: We now reuse the
flex base size instead of recalculating it.

R=eae@chromium.org,dgrogan@chromium.org
TEST=n/a, no change in behavior

Committed: https://crrev.com/28af9c5b7b72c26531e01f65cc2d1451e4209e5d
Cr-Commit-Position: refs/heads/master@{#402220}

[cbiesinger, 2016-06-23 20:23:40]

The CQ bit was checked by cbiesinger@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-06-23 20:24:15]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2097663002/1

[commit-bot: I haz the power, 2016-06-23 21:44:24]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-06-23 21:44:25]

Dry run: This issue passed the CQ dry run.

[eae, 2016-06-27 16:20:29]

Nice!

LGTM

[eae, 2016-06-27 16:23:17]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2016-06-27 16:24:42]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-06-27 17:54:31]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-27 17:56:32]

Description was changed from

==========
Refactor flexbox layout a bit

Instead of passing around three different vectors with related data
(children, child sizes, inflexible items), merge the two into a single
vector that stores all the information. Bonus: We now reuse the
flex base size instead of recalculating it.

R=eae@chromium.org,dgrogan@chromium.org
TEST=n/a, no change in behavior
==========

to

==========
Refactor flexbox layout a bit

Instead of passing around three different vectors with related data
(children, child sizes, inflexible items), merge the two into a single
vector that stores all the information. Bonus: We now reuse the
flex base size instead of recalculating it.

R=eae@chromium.org,dgrogan@chromium.org
TEST=n/a, no change in behavior

Committed: https://crrev.com/28af9c5b7b72c26531e01f65cc2d1451e4209e5d
Cr-Commit-Position: refs/heads/master@{#402220}
==========

[commit-bot: I haz the power, 2016-06-27 17:56:34]

Patchset 1 (id:??) landed as
https://crrev.com/28af9c5b7b72c26531e01f65cc2d1451e4209e5d
Cr-Commit-Position: refs/heads/master@{#402220}