[SyncFS] Add bulk update method to MetadataDatabase

[SyncFS] Add bulk update method to MetadataDatabase

Adding a helper for folder create-create conflict handling.

BUG=240165
R=kinuko@chromium.org, nhiroki@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=238894

[tzik, 2013-12-04 10:59:04]

PTL

[nhiroki, 2013-12-04 11:02:43]

lgtm

[kinuko, 2013-12-04 12:45:06]

lgtm

https://codereview.chromium.org/95113005/diff/1/chrome/browser/sync_file_syst...
File chrome/browser/sync_file_system/drive_backend/metadata_database.h (right):

https://codereview.chromium.org/95113005/diff/1/chrome/browser/sync_file_syst...
chrome/browser/sync_file_system/drive_backend/metadata_database.h:254: void
UpdateByDeletedRemoteFile(const std::string& file_id,
While you're here could we remove this if you have no plan to use it?

[tzik, 2013-12-05 04:00:42]

https://codereview.chromium.org/95113005/diff/1/chrome/browser/sync_file_syst...
File chrome/browser/sync_file_system/drive_backend/metadata_database.h (right):

https://codereview.chromium.org/95113005/diff/1/chrome/browser/sync_file_syst...
chrome/browser/sync_file_system/drive_backend/metadata_database.h:254: void
UpdateByDeletedRemoteFile(const std::string& file_id,
On 2013/12/04 12:45:06, kinuko wrote:
> While you're here could we remove this if you have no plan to use it?

Well, I'll use it in ConflictResolver.

[commit-bot: I haz the power, 2013-12-05 04:01:02]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/tzik@chromium.org/95113005/1

[commit-bot: I haz the power, 2013-12-05 04:14:40]

Retried try job too often on chromium_presubmit for step(s) presubmit
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=chromium_p...

[tzik, 2013-12-05 04:34:47]

Committed patchset #2 manually as r238894 (presubmit successful).