[SyncFS] Drop TaskRunner in MetadataDatabase

[SyncFS] Drop TaskRunner in MetadataDatabase

Drop TaskRunner in MetadataDatabase, that is no longer needed.

BUG=412367
Committed: https://crrev.com/facf66e09bf863b599aba759db25df02dbafff23
Cr-Commit-Position: refs/heads/master@{#293937}

[tzik, 2014-09-09 10:15:51]

tzik@chromium.org changed reviewers:
+ peria@chromium.org

[tzik, 2014-09-09 10:15:51]

PTL

[peria, 2014-09-09 10:29:34]

https://codereview.chromium.org/556803002/diff/1/chrome/browser/sync_file_sys...
File chrome/browser/sync_file_system/drive_backend/metadata_database.cc (right):

https://codereview.chromium.org/556803002/diff/1/chrome/browser/sync_file_sys...
chrome/browser/sync_file_system/drive_backend/metadata_database.cc:1322: const
CreateCallback& callback) {
I think we can merge this method into Create() and drop CreateParam.
WDYT?

[peria, 2014-09-09 10:32:13]

lgtm

https://codereview.chromium.org/556803002/diff/1/chrome/browser/sync_file_sys...
File chrome/browser/sync_file_system/drive_backend/metadata_database.cc (right):

https://codereview.chromium.org/556803002/diff/1/chrome/browser/sync_file_sys...
chrome/browser/sync_file_system/drive_backend/metadata_database.cc:1322: const
CreateCallback& callback) {
Please ignore the previous comment.
I found you did it in another CL.

[tzik, 2014-09-09 11:24:38]

The CQ bit was checked by tzik@chromium.org

[commit-bot: I haz the power, 2014-09-09 11:25:18]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tzik@chromium.org/556803002/1

[tzik, 2014-09-09 11:26:24]

The CQ bit was unchecked by tzik@chromium.org

[tzik, 2014-09-09 13:57:35]

The CQ bit was checked by tzik@chromium.org

[commit-bot: I haz the power, 2014-09-09 13:58:13]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/tzik@chromium.org/556803002/1

[commit-bot: I haz the power, 2014-09-09 14:20:15]

Committed patchset #1 (id:1) as a5285f03d1bd8dd0021209ef16b6440581ec2f87

[commit-bot: I haz the power, 2014-09-10 03:53:18]

Patchset 1 (id:??) landed as
https://crrev.com/facf66e09bf863b599aba759db25df02dbafff23
Cr-Commit-Position: refs/heads/master@{#293937}