commit c28c952d93d25cadb3ba338a219231ab177748cf
author hashimoto@chromium.org <hashimoto@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> Wed Apr 24 11:41:57 2013
committer hashimoto@chromium.org <hashimoto@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> Wed Apr 24 11:41:57 2013
tree 86ec2887787b808b4cb33e70c9f6144cafb91f3d
parent d193eb01e4b1e4a3837b51f17bcf7124a78c007e

chromeos: Use WriteBatch to update DriveResourceMetadata DB

DriveResourceMetadataStorage::PutEntry/RemoveEntry is responsible to manage parent-child relationship.
Rename DriveResourceMetadata::RemoveDirectoryChild to RemoveEntryRecursively.
Return error from DriveResourceMetadata::AddEntryToDirectory/RemoveEntryRecursively.
DriveResourceMetadata::AddEntryToDirectory is responsible to remove an entry from its old parent.

BUG=234110
TEST=unit_tests

Review URL: https://chromiumcodereview.appspot.com/14108009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@196119 0039d316-1c4b-4281-b951-d872f2087c98