Fix crash with sticky html element.

Fix crash with sticky html element.

Making the html element sticky was attempting to resolve the html's container's
padding against it's container logical width to remove it from the sticky
region causing a crash.

BUG=626156
TEST=fast/css/sticky/sticky-html-crash.html

Committed: https://crrev.com/b36f6a3818c30c1d450028cfcd6cf02141642230
Cr-Commit-Position: refs/heads/master@{#404301}

[flackr, 2016-07-07 18:31:43]

flackr@chromium.org changed reviewers:
+ chrishtr@chromium.org

[flackr, 2016-07-07 18:31:44]

PTAL, thanks! I'm not sure if the layout view can have padding but resolving
against the logical width of the layout view seems like the expected behavior if
it can.

[chrishtr, 2016-07-07 23:42:44]

The CQ bit was checked by chrishtr@chromium.org

[chrishtr, 2016-07-07 23:42:49]

lgtm

[commit-bot: I haz the power, 2016-07-07 23:43:25]

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, 2016-07-08 01:30:08]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-08 01:30:11]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-08 01:32:02]

Description was changed from

==========
Fix crash with sticky html element.

Making the html element sticky was attempting to resolve the html's container's
padding against it's container logical width to remove it from the sticky
region causing a crash.

BUG=626156
TEST=fast/css/sticky/sticky-html-crash.html
==========

to

==========
Fix crash with sticky html element.

Making the html element sticky was attempting to resolve the html's container's
padding against it's container logical width to remove it from the sticky
region causing a crash.

BUG=626156
TEST=fast/css/sticky/sticky-html-crash.html

Committed: https://crrev.com/b36f6a3818c30c1d450028cfcd6cf02141642230
Cr-Commit-Position: refs/heads/master@{#404301}
==========

[commit-bot: I haz the power, 2016-07-08 01:32:03]

Patchset 1 (id:??) landed as
https://crrev.com/b36f6a3818c30c1d450028cfcd6cf02141642230
Cr-Commit-Position: refs/heads/master@{#404301}