GitLab

As is suggested in crbug.com/133956 comment #5,
- add " at " between date and time
- use dot instead of colon for time, since colon is not allowed for HFS+/FAT32

BUG=133956, 140355


Review URL: https://chromiumcodereview.appspot.com/10827177

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@150216 0039d316-1c4b-4281-b951-d872f2087c98