Roll swarm_client @ 229791.

git log $(git svn find-rev r228254)..$(git svn find-rev r229791) --date=short --format="%ad %an %s" | sed 's/@chromium\.org//'
  2013-10-21 csharp Fix config typo in load tests.
  2013-10-16 maruel Convert an assert to a proper error message.

R=csharp@chromium.org
BUG=

Review URL: https://codereview.chromium.org/34933004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230315 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230316 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230315
SVN changes up to revision 230316
Get system salt asynchronously from DeviceId::GetMachineId

Use GetSystemSalt instead of GetSystemSaltSync

BUG=141009
R=mpcomplete@chromium.org

Review URL: https://codereview.chromium.org/30693005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@230318 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 230318