Move cloud import button to toolbar, make material designey.

Move cloud import button to toolbar, make material designey.

This is the first of several steps in bringing a material design friendly cloud import feature.

BUG=420680
TEST=browser_test: FileManagerJsTest.*

Committed: https://crrev.com/440dad13b373bb055df0273e99f865a84912e77b
Cr-Commit-Position: refs/heads/master@{#313426}

[Steve McKay, 2015-01-28 00:44:29]

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

[fukino, 2015-01-28 01:07:27]

lgtm.

[Steve McKay, 2015-01-28 01:07:57]

The CQ bit was checked by smckay@chromium.org

[commit-bot: I haz the power, 2015-01-28 01:09:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/883973002/1

[Steve McKay, 2015-01-28 01:20:53]

Add test coverage for new command update logic.

[Steve McKay, 2015-01-28 01:20:57]

The CQ bit was checked by smckay@chromium.org

[commit-bot: I haz the power, 2015-01-28 01:22:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/883973002/20001

[Steve McKay, 2015-01-28 01:22:44]

The CQ bit was unchecked by smckay@chromium.org

[Steve McKay, 2015-01-28 01:23:25]

The CQ bit was checked by smckay@chromium.org

[Steve McKay, 2015-01-28 01:24:10]

The CQ bit was unchecked by smckay@chromium.org

[Steve McKay, 2015-01-28 01:24:52]

Patchset #3 (id:40001) has been deleted

[Steve McKay, 2015-01-28 01:24:57]

Patchset #2 (id:20001) has been deleted

[Steve McKay, 2015-01-28 01:25:39]

The CQ bit was checked by smckay@chromium.org

[commit-bot: I haz the power, 2015-01-28 01:26:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/883973002/60001

[commit-bot: I haz the power, 2015-01-28 04:08:20]

Committed patchset #2 (id:60001)

[commit-bot: I haz the power, 2015-01-28 04:09:44]

Patchset 2 (id:??) landed as
https://crrev.com/440dad13b373bb055df0273e99f865a84912e77b
Cr-Commit-Position: refs/heads/master@{#313426}