drive: Use UploadNewFile from EntryUpdatePerformer

drive: Use UploadNewFile from EntryUpdatePerformer

Add UploadNewFileOptions argument to JobScheduler::UploadNewFile().
Pass ChangeListLoader* to SyncClient and EntryUpdatePerformer to lock the loader while creating new files.
Upload an empty file if the locally created file doesn't have a cache file.

BUG=260539
TEST=unit_tests
R=kinaba@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=247660

[hashimoto, 2014-01-28 08:20:04]

Please review.
This change depends on https://codereview.chromium.org/146833015/
("FileCache::Store marks the entry as dirty if empty MD5 is given")

[kinaba, 2014-01-28 08:46:08]

lgtm

https://codereview.chromium.org/148233006/diff/20001/chrome/browser/chromeos/...
File chrome/browser/chromeos/drive/sync/entry_update_performer.cc (right):

https://codereview.chromium.org/148233006/diff/20001/chrome/browser/chromeos/...
chrome/browser/chromeos/drive/sync/entry_update_performer.cc:56: // Check if
content update is needed or not.
nit: this comment should be moved below.

[hashimoto, 2014-01-28 08:55:45]

https://codereview.chromium.org/148233006/diff/20001/chrome/browser/chromeos/...
File chrome/browser/chromeos/drive/sync/entry_update_performer.cc (right):

https://codereview.chromium.org/148233006/diff/20001/chrome/browser/chromeos/...
chrome/browser/chromeos/drive/sync/entry_update_performer.cc:56: // Check if
content update is needed or not.
On 2014/01/28 08:46:08, kinaba wrote:
> nit: this comment should be moved below.

Done.

[commit-bot: I haz the power, 2014-01-29 04:27:39]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/hashimoto@chromium.org/148233006/60001

[hashimoto, 2014-01-29 07:57:35]

Committed patchset #2 manually as r247660 (presubmit successful).

[commit-bot: I haz the power, 2014-01-29 07:57:42]

CQ bit was unchecked on CL. Ignoring.