Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230054 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230054
ChildProcessSecurityPolicy: Add DeleteFromFileSystem permission.

BUG=275980

Review URL: https://codereview.chromium.org/31663002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230055 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230055