Update DEPS to use jsshell version 38.

R=ricow@google.com

Review URL: https://codereview.chromium.org//1128823002

git-svn-id: https://dart.googlecode.com/svn/trunk@45555 260f80e4-7a28-3924-810f-c04153c831b5
diff --git a/deps/all.deps/DEPS b/deps/all.deps/DEPS
index 0dc21de..46d491e 100644
--- a/deps/all.deps/DEPS
+++ b/deps/all.deps/DEPS
@@ -48,7 +48,7 @@
   "eclipse_rev" : "@38742",
   "fake_async_rev" : "@38614",
   "fest_rev" : "@19997",
-  "firefox_jsshell_rev" : "@44282",
+  "firefox_jsshell_rev" : "@45554",
   "glob_rev": "@704cf75e4f26b417505c5c611bdaacd8808467dd",
   "gson_rev" : "@36048",
   "gsutil_rev" : "@33376",