Add missing null check in Database::getSecurityOrigin()

Add missing null check in Database::getSecurityOrigin()

Following r419951 getExecutionContext() may return null, so
return value must be checked.

BUG=650173
R=haraken@chromium.org

Committed: https://crrev.com/0fe809e04a61ce645439aad1b9cf3012271ab6a4
Cr-Commit-Position: refs/heads/master@{#421534}

[jsbell, 2016-09-27 23:47:59]

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

[jsbell, 2016-09-27 23:48:12]

haraken@ - please take a look?

[commit-bot: I haz the power, 2016-09-27 23:48:28]

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

[haraken, 2016-09-28 00:12:43]

Thanks for fixing this! LGTM

[commit-bot: I haz the power, 2016-09-28 01:12:33]

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

[commit-bot: I haz the power, 2016-09-28 01:12:34]

Dry run: This issue passed the CQ dry run.

[jsbell, 2016-09-28 16:05:59]

The CQ bit was checked by jsbell@chromium.org

[commit-bot: I haz the power, 2016-09-28 16:06:17]

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, 2016-09-28 16:11:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-28 16:17:55]

Description was changed from

==========
Add missing null check in Database::getSecurityOrigin()

Following r419951 getExecutionContext() may return null, so
return value must be checked.

BUG=650173
R=haraken@chromium.org
==========

to

==========
Add missing null check in Database::getSecurityOrigin()

Following r419951 getExecutionContext() may return null, so
return value must be checked.

BUG=650173
R=haraken@chromium.org

Committed: https://crrev.com/0fe809e04a61ce645439aad1b9cf3012271ab6a4
Cr-Commit-Position: refs/heads/master@{#421534}
==========

[commit-bot: I haz the power, 2016-09-28 16:17:56]

Patchset 1 (id:??) landed as
https://crrev.com/0fe809e04a61ce645439aad1b9cf3012271ab6a4
Cr-Commit-Position: refs/heads/master@{#421534}