[Media Router WebUI] Show issue's secondary action when 'dismiss'.

[Media Router WebUI] Show issue's secondary action when 'dismiss'.

The action type 'dismiss' maps to 0. Currently, we don't check whether it's undefined, but if it is truthy. if(0) is always false. This means that if the secondary button is 'dismiss', it will not be shown.

This was previously not caught as the tests mark non-existent secondary actions as null rather than undefined.

BUG=613253
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1998013003
Cr-Commit-Position: refs/heads/master@{#395394}
(cherry picked from commit 8d0894e8a5b6c29e97704a62ca75cc1cb412223d)

Committed: https://chromium.googlesource.com/chromium/src/+/802c756a74fcabb788563982e2ba48a152132019

[apacible, 2016-05-25 18:30:31]

Description was changed from

==========
[Media Router WebUI] Show issue's secondary action when 'dismiss'.

The action type 'dismiss' maps to 0. Currently, we don't check whether it's
undefined, but if it is truthy. if(0) is always false. This means that if the
secondary button is 'dismiss', it will not be shown.

This was previously not caught as the tests mark non-existent secondary actions
as null rather than undefined.

BUG=613253
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1998013003
Cr-Commit-Position: refs/heads/master@{#395394}
(cherry picked from commit 8d0894e8a5b6c29e97704a62ca75cc1cb412223d)
==========

to

==========
[Media Router WebUI] Show issue's secondary action when 'dismiss'.

The action type 'dismiss' maps to 0. Currently, we don't check whether it's
undefined, but if it is truthy. if(0) is always false. This means that if the
secondary button is 'dismiss', it will not be shown.

This was previously not caught as the tests mark non-existent secondary actions
as null rather than undefined.

BUG=613253
CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/1998013003
Cr-Commit-Position: refs/heads/master@{#395394}
(cherry picked from commit 8d0894e8a5b6c29e97704a62ca75cc1cb412223d)

Committed:
https://chromium.googlesource.com/chromium/src/+/802c756a74fcabb788563982e2ba...
==========

[apacible, 2016-05-25 18:30:32]

Committed patchset #1 (id:1) manually as
802c756a74fcabb788563982e2ba48a152132019.