Add header guards to CanvasAsyncBlobCreator.h

Add header guards to CanvasAsyncBlobCreator.h

R=fs

Review-Url: https://codereview.chromium.org/2711333002
Cr-Commit-Position: refs/heads/master@{#452812}
Committed: https://chromium.googlesource.com/chromium/src/+/a7d8979ed83c6e511a344b613cd4894ed0bbdfd7

[Daniel Bratell, 2017-02-24 10:21:23]

bratell@opera.com changed reviewers:
+ fs@opera.com, junov@chromium.org

[Daniel Bratell, 2017-02-24 10:21:24]

Trivial patch (I assume). Just something I noticed when I happened to include
this file twice.

[fs, 2017-02-24 10:22:13]

lgtm

[Daniel Bratell, 2017-02-24 12:21:32]

Description was changed from

==========
Add header guards to CancasAsyncBlobCreator.h
==========

to

==========
Add header guards to CanvasAsyncBlobCreator.h

R=fs
==========

[Daniel Bratell, 2017-02-24 12:22:25]

The CQ bit was checked by bratell@opera.com

[commit-bot: I haz the power, 2017-02-24 12:22:37]

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, 2017-02-24 14:04:25]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1487938945138470, "parent_rev":
"8cfa3aea98435616307c4a1764d76992c7f5026c", "commit_rev":
"a7d8979ed83c6e511a344b613cd4894ed0bbdfd7"}

[commit-bot: I haz the power, 2017-02-24 14:04:58]

Description was changed from

==========
Add header guards to CanvasAsyncBlobCreator.h

R=fs
==========

to

==========
Add header guards to CanvasAsyncBlobCreator.h

R=fs

Review-Url: https://codereview.chromium.org/2711333002
Cr-Commit-Position: refs/heads/master@{#452812}
Committed:
https://chromium.googlesource.com/chromium/src/+/a7d8979ed83c6e511a344b613cd4...
==========

[commit-bot: I haz the power, 2017-02-24 14:04:59]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/a7d8979ed83c6e511a344b613cd4...