Re-arrange some null pointer checks in HTMLCanvasElement.cpp

Re-arrange some null pointer checks in HTMLCanvasElement.cpp

BUG=675099
Committed: https://crrev.com/aaee8c63e6a1716c78b5e5715e1f96b8df4ed1e3
Cr-Commit-Position: refs/heads/master@{#440231}

[Justin Novosad, 2016-12-21 20:31:36]

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

[Justin Novosad, 2016-12-21 20:32:04]

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

[Justin Novosad, 2016-12-21 20:32:04]

PTAL

[commit-bot: I haz the power, 2016-12-21 20:32:40]

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

[xlai (Olivia), 2016-12-21 21:02:18]

lgtm

[Justin Novosad, 2016-12-21 21:20:02]

Description was changed from

==========
Re-arrange some null pointer checks HTMLCanvasElement.cpp

BUG=675099
==========

to

==========
Re-arrange some null pointer checks in HTMLCanvasElement.cpp

BUG=675099
==========

[Justin Novosad, 2016-12-21 21:20:07]

The CQ bit was unchecked by junov@chromium.org

[Justin Novosad, 2016-12-21 21:20:13]

The CQ bit was checked by junov@chromium.org

[commit-bot: I haz the power, 2016-12-21 21:20:26]

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, 2016-12-21 21:59:17]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1482355213620460, "parent_rev":
"62fa3c826d2167bf3a28e873c8c54ebf91abbe08", "commit_rev":
"37cfcaa78bd033dcbb06d312c0a9ee4043a23450"}

[commit-bot: I haz the power, 2016-12-21 21:59:51]

Description was changed from

==========
Re-arrange some null pointer checks in HTMLCanvasElement.cpp

BUG=675099
==========

to

==========
Re-arrange some null pointer checks in HTMLCanvasElement.cpp

BUG=675099

Review-Url: https://codereview.chromium.org/2594093002
==========

[commit-bot: I haz the power, 2016-12-21 21:59:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-21 22:04:45]

Description was changed from

==========
Re-arrange some null pointer checks in HTMLCanvasElement.cpp

BUG=675099

Review-Url: https://codereview.chromium.org/2594093002
==========

to

==========
Re-arrange some null pointer checks in HTMLCanvasElement.cpp

BUG=675099

Committed: https://crrev.com/aaee8c63e6a1716c78b5e5715e1f96b8df4ed1e3
Cr-Commit-Position: refs/heads/master@{#440231}
==========

[commit-bot: I haz the power, 2016-12-21 22:04:46]

Patchset 1 (id:??) landed as
https://crrev.com/aaee8c63e6a1716c78b5e5715e1f96b8df4ed1e3
Cr-Commit-Position: refs/heads/master@{#440231}