Files.app: Use quotaBytesUsedAggregate to know the actual available space.

Files.app: Use quotaBytesUsedAggregate to know the actual available space.

We need to use quotaBytesUsedAggregate to know the actual available space, because the current quotaBytesUsed returns usage in only Google Drive (doesn't include Gmail, G+ Photos, etc...).
https://developers.google.com/drive/v2/reference/about#resource

BUG=483058
TEST=run unit_tests

Committed: https://crrev.com/fa39c6524a482ae3dc75773dbc4e88f4ed9e8fbf
Cr-Commit-Position: refs/heads/master@{#329330}

[fukino, 2015-05-11 06:02:15]

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

[fukino, 2015-05-11 06:02:16]

Could you take a look? Thanks!

[mtomasz, 2015-05-11 06:11:21]

lgtm

[fukino, 2015-05-11 08:27:55]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2015-05-11 08:29:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1125123008/1

[commit-bot: I haz the power, 2015-05-11 08:40:29]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-05-11 08:40:30]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[fukino, 2015-05-12 00:42:37]

fukino@chromium.org changed reviewers:
+ kinaba@chromium.org

[fukino, 2015-05-12 00:42:38]

kinaba@, could you take a look at the followings?
google_apis/drive/*
chrome/browser/ui/webui/chromeos/drive_internals_ui.cc

Thanks!

[kinaba, 2015-05-12 01:28:50]

lgtm. thanks!

[fukino, 2015-05-12 01:39:44]

The CQ bit was checked by fukino@chromium.org

[commit-bot: I haz the power, 2015-05-12 01:40:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1125123008/1

[commit-bot: I haz the power, 2015-05-12 02:46:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-12 02:47:04]

Patchset 1 (id:??) landed as
https://crrev.com/fa39c6524a482ae3dc75773dbc4e88f4ed9e8fbf
Cr-Commit-Position: refs/heads/master@{#329330}