Grant read permission for the non-native files passed as a result of file chooser.

Grant read permission for the non-native files passed as a result of file chooser.

The property of FileChooserFileInfo#file_system_url is newly added for handling non-native files in Chrome OS.

BUG=126902
TEST=None

Committed: https://crrev.com/c23436ca0f7897f6ae058999604465225de47bbe
Cr-Commit-Position: refs/heads/master@{#299847}

[hirono, 2014-10-15 07:33:58]

hirono@chromium.org changed reviewers:
+ sky@chromium.org

[hirono, 2014-10-15 07:33:58]

PTAL the CL? Thank you!

[sky, 2014-10-15 15:43:53]

LGTM

[hirono, 2014-10-16 03:52:51]

The CQ bit was checked by hirono@chromium.org

[hirono, 2014-10-16 03:52:57]

On 2014/10/15 15:43:53, sky wrote:
> LGTM

Thanks!

[commit-bot: I haz the power, 2014-10-16 03:53:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/655153002/1

[commit-bot: I haz the power, 2014-10-16 04:54:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-10-16 04:55:28]

Patchset 1 (id:??) landed as
https://crrev.com/c23436ca0f7897f6ae058999604465225de47bbe
Cr-Commit-Position: refs/heads/master@{#299847}