Change NGLayoutOpportunityIterator constructor to work with const CS.

Change NGLayoutOpportunityIterator constructor to work with const CS.

List of changes:
1) Resolve "const NGConstraintSpace" TODO in NGFloatingObject
2) Change NGLayoutOpportunityIterator to work with a const CS.

BUG=635619
Review-Url: https://codereview.chromium.org/2732483002
Cr-Commit-Position: refs/heads/master@{#454392}
Committed: https://chromium.googlesource.com/chromium/src/+/9f81209c0afcb72f576f4794c28c11520b35d7bb

[Gleb Lanbin, 2017-03-02 18:19:42]

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

[Gleb Lanbin, 2017-03-02 18:19:49]

glebl@chromium.org changed reviewers:
+ ikilpatrick@chromium.org

[commit-bot: I haz the power, 2017-03-02 18:19:56]

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

[ikilpatrick, 2017-03-02 18:21:45]

lgtm

[commit-bot: I haz the power, 2017-03-02 18:22:58]

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

[commit-bot: I haz the power, 2017-03-02 18:22:59]

Dry run: Try jobs failed on following builders:
  ios-device-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device-xcode-...)
  ios-simulator-xcode-clang on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/ios-simulator-xco...)
  mac_chromium_compile_dbg_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_comp...)
  mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[Gleb Lanbin, 2017-03-02 18:52:12]

The CQ bit was checked by glebl@chromium.org

[Gleb Lanbin, 2017-03-02 18:52:12]

The patchset sent to the CQ was uploaded after l-g-t-m from
ikilpatrick@chromium.org
Link to the patchset: https://codereview.chromium.org/2732483002/#ps20001
(title: "git rebase-update")

[commit-bot: I haz the power, 2017-03-02 18:52:37]

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

[Gleb Lanbin, 2017-03-02 19:39:32]

The CQ bit was unchecked by glebl@chromium.org

[Gleb Lanbin, 2017-03-02 19:59:07]

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

[commit-bot: I haz the power, 2017-03-02 19:59:58]

Dry run: 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, 2017-03-02 21:40:49]

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

[commit-bot: I haz the power, 2017-03-02 21:40:50]

Dry run: This issue passed the CQ dry run.

[Gleb Lanbin, 2017-03-02 21:52:30]

The CQ bit was checked by glebl@chromium.org

[Gleb Lanbin, 2017-03-02 21:52:30]

The patchset sent to the CQ was uploaded after l-g-t-m from
ikilpatrick@chromium.org
Link to the patchset: https://codereview.chromium.org/2732483002/#ps60001
(title: "git rebase-update3")

[commit-bot: I haz the power, 2017-03-02 21:53:06]

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, 2017-03-02 22:00:18]

CQ is committing da patch.

Bot data: {"patchset_id": 60001, "attempt_start_ts": 1488491550343230,
"parent_rev": "fb7c75d163e22589351f06fbef424f94d6e216f8", "commit_rev":
"9f81209c0afcb72f576f4794c28c11520b35d7bb"}

[commit-bot: I haz the power, 2017-03-02 22:01:00]

Description was changed from

==========
Change NGLayoutOpportunityIterator constructor to work with const CS.

List of changes:
1) Resolve "const NGConstraintSpace" TODO in NGFloatingObject
2) Change NGLayoutOpportunityIterator to work with a const CS.

BUG=635619
==========

to

==========
Change NGLayoutOpportunityIterator constructor to work with const CS.

List of changes:
1) Resolve "const NGConstraintSpace" TODO in NGFloatingObject
2) Change NGLayoutOpportunityIterator to work with a const CS.

BUG=635619

Review-Url: https://codereview.chromium.org/2732483002
Cr-Commit-Position: refs/heads/master@{#454392}
Committed:
https://chromium.googlesource.com/chromium/src/+/9f81209c0afcb72f576f4794c28c...
==========

[commit-bot: I haz the power, 2017-03-02 22:01:01]

Committed patchset #4 (id:60001) as
https://chromium.googlesource.com/chromium/src/+/9f81209c0afcb72f576f4794c28c...