Do not broadcast fileManagerPrivate.onDirectoryChanged event.

Do not broadcast fileManagerPrivate.onDirectoryChanged event.

Since onDirectoryChanged event is created for each extension, we should not broadcast it.

BUG=456046
TEST=none

Committed: https://crrev.com/82eb39ef448c9cab8020804a9e196f631c9afe05
Cr-Commit-Position: refs/heads/master@{#315258}

[yawano, 2015-02-06 11:03:49]

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

[yawano, 2015-02-06 11:03:50]

PTAL. Thank you!

[mtomasz, 2015-02-09 02:28:28]

lgtm

[yawano, 2015-02-09 02:28:58]

On 2015/02/09 02:28:28, mtomasz wrote:
> lgtm

Thank you!

[yawano, 2015-02-09 02:29:02]

The CQ bit was checked by yawano@chromium.org

[commit-bot: I haz the power, 2015-02-09 02:29:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/883163005/1

[commit-bot: I haz the power, 2015-02-09 02:55:13]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-09 02:55:41]

Patchset 1 (id:??) landed as
https://crrev.com/82eb39ef448c9cab8020804a9e196f631c9afe05
Cr-Commit-Position: refs/heads/master@{#315258}