chrome style plugin: Don't crash when checking class weight.

chrome style plugin: Don't crash when checking class weight.

It's impossible to determine if an incomplete type has a trivial
destructor when counting the 'weight' of a class' fields, so check if
the type has a definition first.

BUG=595786
Committed: https://crrev.com/e264c3e8bdfc81c21ad0248624e5f2d67007450a
Cr-Commit-Position: refs/heads/master@{#382695}

[dcheng, 2016-03-22 20:09:48]

dcheng@chromium.org changed reviewers:
+ vmpstr@chromium.org

[vmpstr, 2016-03-22 21:03:33]

lgtm

[dcheng, 2016-03-22 21:14:07]

The CQ bit was checked by dcheng@chromium.org

[commit-bot: I haz the power, 2016-03-22 21:14:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1816283003/40001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1816283003/40001

[commit-bot: I haz the power, 2016-03-22 21:56:46]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-03-22 21:59:17]

Description was changed from

==========
chrome style plugin: Don't crash when checking class weight.

It's impossible to determine if an incomplete type has a trivial
destructor when counting the 'weight' of a class' fields, so check if
the type has a definition first.

BUG=595786
==========

to

==========
chrome style plugin: Don't crash when checking class weight.

It's impossible to determine if an incomplete type has a trivial
destructor when counting the 'weight' of a class' fields, so check if
the type has a definition first.

BUG=595786

Committed: https://crrev.com/e264c3e8bdfc81c21ad0248624e5f2d67007450a
Cr-Commit-Position: refs/heads/master@{#382695}
==========

[commit-bot: I haz the power, 2016-03-22 21:59:18]

Patchset 3 (id:??) landed as
https://crrev.com/e264c3e8bdfc81c21ad0248624e5f2d67007450a
Cr-Commit-Position: refs/heads/master@{#382695}