Prevent integer overlow on getImageData

Prevent integer overlow on getImageData

BUG=708165, 708044, 708961
Review-Url: https://codereview.chromium.org/2797333002
Cr-Commit-Position: refs/heads/master@{#462989}
Committed: https://chromium.googlesource.com/chromium/src/+/27458c3a4574379467168add07d7e6d7bf40c95d

[fserb, 2017-04-05 20:12:45]

fserb@chromium.org changed reviewers:
+ junov@chromium.org

[fserb, 2017-04-05 20:12:45]

I didn't see any other code that does something similar to this. :/

[fserb, 2017-04-05 20:12:50]

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

[commit-bot: I haz the power, 2017-04-05 20:13:22]

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, 2017-04-05 21:43:02]

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

[commit-bot: I haz the power, 2017-04-05 21:43:02]

Dry run: Try jobs failed on following builders:
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Justin Novosad, 2017-04-06 19:52:35]

As discussed, use CheckedNumeric<>

[fserb, 2017-04-06 20:55:46]

done. :)

[fserb, 2017-04-06 21:11:22]

Description was changed from

==========
Prevent integer overlow on getImageData

BUG=708165,708044
==========

to

==========
Prevent integer overlow on getImageData

BUG=708165,708044,708961
==========

[Justin Novosad, 2017-04-07 18:53:42]

lgtm

[fserb, 2017-04-07 18:57:26]

The CQ bit was checked by fserb@chromium.org

[commit-bot: I haz the power, 2017-04-07 18:58:16]

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, 2017-04-07 20:34:22]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1491591446005670,
"parent_rev": "f5fa6d693cae9dfcdb66bdfd70752975c7d9bef4", "commit_rev":
"27458c3a4574379467168add07d7e6d7bf40c95d"}

[commit-bot: I haz the power, 2017-04-07 20:35:14]

Description was changed from

==========
Prevent integer overlow on getImageData

BUG=708165,708044,708961
==========

to

==========
Prevent integer overlow on getImageData

BUG=708165,708044,708961

Review-Url: https://codereview.chromium.org/2797333002
Cr-Commit-Position: refs/heads/master@{#462989}
Committed:
https://chromium.googlesource.com/chromium/src/+/27458c3a4574379467168add07d7...
==========

[commit-bot: I haz the power, 2017-04-07 20:35:15]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/27458c3a4574379467168add07d7...