Roll swarming_client @ de4e7cfa2b4417021f34c2d2e573c2a5d6e1d317.

$ git log f9538eebbc..de4e7cfa --date=short --format="%ad %ae %s" | sed 's/@chromium\.org//'
2014-02-13 maruel Fix flaky test in run_test_cases_smoke_test.py.
2014-02-12 vapier@gentoo.org isolateserver: pull _PushState into module scope
2014-02-12 maruel Reduce code duplication to define the --isolate-server argument.
2014-02-09 maruel Add isolateserver.py hashtable which enforces paths vs isolateserver.py archive.
2014-02-09 maruel Adds primitive support to upload results back in run_isolated.py
2014-02-06 maruel Fix swarming.py to stop hardcoding the namespace to 'default'
2014-02-06 maruel Partially fix support for umask.
2014-02-05 vadimsh Improve --help output for OAuth command line options.
2014-02-05 vadimsh Command line option to switch auth to use file storage instead of keyring.
2014-02-04 maruel Fix examples that were broken since f9538eebbc82.
2014-02-04 maruel Fix googletest/README.py and improve doc.
2014-02-04 vadimsh Do not trigger OAuth2 code path when running on bots.
2014-02-03 maruel Disable test_crash_after_pass.
2014-02-02 vadimsh Never run interactive login in the middle of a script execution.
2014-01-31 vadimsh Remove google imports from httplib2.
2014-01-31 maruel Raise an error if --task-name is not provided.
2014-01-31 maruel Fix regression introduced in f9538eebbc82.

(Was slightly overdue)

R=csharp@chromium.org
BUG=

Review URL: https://codereview.chromium.org/163853002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@251201 0039d316-1c4b-4281-b951-d872f2087c98

DEPS

@@ -61,7 +61,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling swarming_client
   # and whatever else without interference from each other.
-  "swarming_revision": "f9538eebbc82bdfed4768cde388c8ae8a1ac3209",
+  "swarming_revision": "de4e7cfa2b4417021f34c2d2e573c2a5d6e1d317",
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling openssl
   # and whatever else without interference from each other.