Add libjingle_xmpp_unittests to Chromium bots.

third_party/libjingle_xmpp/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # TODO(kjellander): Remove remaining dependencies on the WebRTC codebase.
 import("../webrtc/webrtc.gni")
 
 group("libjingle_xmpp") {
   public_deps = [
     ":rtc_xmllite",
@@ skipping 114 matching lines @@
   }
 }
 
 rtc_test("libjingle_xmpp_unittests") {
   configs += [ ":libjingle_xmpp_unittests_config" ]
 
   deps = [
     ":libjingle_xmpp",
     ":rtc_task_runner",
 
+    "//base/test:run_all_unittests",
+    "//base/test:test_support",
     # TODO(kjellander): Refactor/remove this dependency. It is needed by
     # third_party/webrtc_overrides/webrtc/base/win32socketinit.cc.
     "//net",
     "//testing/gtest",
   ]
 
   sources = [
-    "run_all_unittests.cc",
     "task_runner/task_unittest.cc",
     "xmllite/qname_unittest.cc",
     "xmllite/xmlbuilder_unittest.cc",
     "xmllite/xmlelement_unittest.cc",
     "xmllite/xmlnsstack_unittest.cc",
     "xmllite/xmlparser_unittest.cc",
     "xmllite/xmlprinter_unittest.cc",
     "xmpp/fakexmppclient.h",
     "xmpp/jid_unittest.cc",
     "xmpp/util_unittest.cc",
     "xmpp/util_unittest.h",
     "xmpp/xmppengine_unittest.cc",
     "xmpp/xmpplogintask_unittest.cc",
     "xmpp/xmppstanzaparser_unittest.cc",
   ]
 }