Files.app: Update filetype icons.

Files.app: Update filetype icons.

- Update filetype icons.
- Use PNG images as icons in directory tree, instead of SVG images.

BUG=402344, 455158
TEST=manually checked.

Committed: https://crrev.com/62e7de9abaa84ea9de293786002b84a4fac8cd90
Cr-Commit-Position: refs/heads/master@{#317029}

[fukino, 2015-02-19 09:56:25]

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

[fukino, 2015-02-19 09:56:26]

Could you take a look? Thanks!

[yawano, 2015-02-19 10:26:00]

Just one question. Who uses expand_less.png?

[fukino, 2015-02-19 10:33:17]

On 2015/02/19 10:26:00, yawano wrote:
> Just one question. Who uses expand_less.png?

expand_less.png is not in use. Should I remove it?
I thought, as we use expand_more, expand_more_active, and expand_less_active,
absence of expand_less might be confusing. WDYT?

[yawano, 2015-02-19 11:09:54]

On 2015/02/19 10:33:17, fukino wrote:
> On 2015/02/19 10:26:00, yawano wrote:
> > Just one question. Who uses expand_less.png?
> 
> expand_less.png is not in use. Should I remove it?
> I thought, as we use expand_more, expand_more_active, and expand_less_active,
> absence of expand_less might be confusing. WDYT?

SGTM and lgtm. Thank you!

[fukino, 2015-02-19 11:10:35]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2015-02-19 11:11:26]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/939013002/1

[commit-bot: I haz the power, 2015-02-19 11:37:54]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-19 11:38:22]

Patchset 1 (id:??) landed as
https://crrev.com/62e7de9abaa84ea9de293786002b84a4fac8cd90
Cr-Commit-Position: refs/heads/master@{#317029}