Revert of Move gn _run target generation into test().

remoting/BUILD.gn

 # Copyright 2015 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.
 
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/util/version.gni")
 import("//remoting/remoting_version.gni")
 import("//remoting/remoting_enable.gni")
 import("//testing/test.gni")
@@ skipping 86 matching lines @@
     deps += [ "//components/policy:test_support" ]
   }
 
   if (enable_remoting_host) {
     deps += [ "//remoting/host:test_support" ]
   }
 }
 
 # TODO(GYP) remoting_unittests on Mac. Needs to be tested.
 if (!is_mac) {
+  # TODO(GYP): Delete this after we've converted everything to GN.
+  # The _run targets exist only for compatibility w/ GYP.
+  group("remoting_unittests_run") {
+    testonly = true
+    deps = [
+      ":remoting_unittests",
+    ]
+  }
+
   test("remoting_unittests") {
     configs += [
       ":version",
 
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       "//build/config/compiler:no_size_t_to_int_warning",
     ]
 
     data = [
       "//net/data/ssl/certificates/ok_cert.pem",
@@ skipping 57 matching lines @@
 
       if (enable_webrtc) {
         deps += [ "//third_party/libjingle:libjingle_webrtc" ]
       }
     }
   }
 } else {
   group("remoting_unittests") {
   }
 }