Check that render-frame is valid before returning audio params in Blink.

Check that render-frame is valid before returning audio params in Blink.

Return reasonable parameters if the render_frame is not valid instead of
crashing.

BUG=678927
Review-Url: https://codereview.chromium.org/2626023006
Cr-Commit-Position: refs/heads/master@{#443676}
Committed: https://chromium.googlesource.com/chromium/src/+/44bfa4bd4fb0143a64d5748d68b17bbedee4caaa

[Guido Urdaneta, 2017-01-13 09:30:05]

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

[commit-bot: I haz the power, 2017-01-13 09:30:29]

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

[Guido Urdaneta, 2017-01-13 09:32:19]

guidou@chromium.org changed reviewers:
+ jochen@chromium.org

[Guido Urdaneta, 2017-01-13 09:32:19]

Hi, PTAL.

[commit-bot: I haz the power, 2017-01-13 10:39:48]

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

[commit-bot: I haz the power, 2017-01-13 10:39:49]

Dry run: This issue passed the CQ dry run.

[jochen (gone - plz use gerrit), 2017-01-13 14:20:16]

can you add a test please?

[Guido Urdaneta, 2017-01-13 18:25:04]

On 2017/01/13 14:20:16, jochen wrote:
> can you add a test please?

jochen@: I couldn't find an existing file suitable for this test, so I added a
new file. Please let me know your thoughts.

[jochen (gone - plz use gerrit), 2017-01-13 18:52:27]

lgtm

[Guido Urdaneta, 2017-01-13 18:53:15]

The CQ bit was checked by guidou@chromium.org

[commit-bot: I haz the power, 2017-01-13 18:53:42]

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, 2017-01-13 21:31:52]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1484333595176920,
"parent_rev": "51583c47527a347d6dfc2a794952758949f52117", "commit_rev":
"44bfa4bd4fb0143a64d5748d68b17bbedee4caaa"}

[commit-bot: I haz the power, 2017-01-13 21:32:22]

Description was changed from

==========
Check that render-frame is valid before returning audio params in Blink.

Return reasonable parameters if the render_frame is not valid instead of
crashing.

BUG=678927
==========

to

==========
Check that render-frame is valid before returning audio params in Blink.

Return reasonable parameters if the render_frame is not valid instead of
crashing.

BUG=678927

Review-Url: https://codereview.chromium.org/2626023006
Cr-Commit-Position: refs/heads/master@{#443676}
Committed:
https://chromium.googlesource.com/chromium/src/+/44bfa4bd4fb0143a64d5748d68b1...
==========

[commit-bot: I haz the power, 2017-01-13 21:32:23]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/44bfa4bd4fb0143a64d5748d68b1...