Add a command line option to the running of some file manager tests

Add a command line option to the running of some file manager tests

These file manager tests dispatch untrusted events at the DOM. Blink
is changing the default for this option.

Ultimately these tests need to be reworked so they don't dispatch
default actions.

BUG=520519
Committed: https://crrev.com/0a3db18907800f929a288c39c396c3143ee145f9
Cr-Commit-Position: refs/heads/master@{#401141}

[dtapuska, 2016-06-21 20:53:18]

dtapuska@chromium.org changed reviewers:
+ fukino@chromium.org

[fukino, 2016-06-21 21:06:04]

lgtm. Thanks!

[dtapuska, 2016-06-21 23:46:40]

The CQ bit was checked by dtapuska@chromium.org

[commit-bot: I haz the power, 2016-06-21 23:47:14]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2088003002/1

[commit-bot: I haz the power, 2016-06-21 23:54:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-21 23:56:11]

Description was changed from

==========
Add a command line option to the running of some file manager tests

These file manager tests dispatch untrusted events at the DOM. Blink
is changing the default for this option.

Ultimately these tests need to be reworked so they don't dispatch
default actions.

BUG=520519
==========

to

==========
Add a command line option to the running of some file manager tests

These file manager tests dispatch untrusted events at the DOM. Blink
is changing the default for this option.

Ultimately these tests need to be reworked so they don't dispatch
default actions.

BUG=520519

Committed: https://crrev.com/0a3db18907800f929a288c39c396c3143ee145f9
Cr-Commit-Position: refs/heads/master@{#401141}
==========

[commit-bot: I haz the power, 2016-06-21 23:56:12]

Patchset 1 (id:??) landed as
https://crrev.com/0a3db18907800f929a288c39c396c3143ee145f9
Cr-Commit-Position: refs/heads/master@{#401141}