Remove the mojo_use_application_in_sdk GN variable.

mojo/edk/test/BUILD.gn

 # Copyright 2014 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("../mojo_edk.gni")
-import("../../public/mojo.gni")
 import("//testing/test.gni")
 
 mojo_edk_source_set("test_support") {
   testonly = true
   sources = [
     "multiprocess_test_helper.cc",
     "multiprocess_test_helper.h",
     "scoped_ipc_support.cc",
     "scoped_ipc_support.h",
     "scoped_test_dir.cc",
@@ skipping 73 matching lines @@
 }
 
 # Public SDK test targets follow. These targets are not defined within the
 # public SDK itself as running the unittests requires the EDK.
 # TODO(vtl): These don't really belong here. (They should be converted to
 # apptests, but even apart from that these targets belong somewhere else.)
 
 group("public_tests") {
   testonly = true
   deps = [
+    ":mojo_public_application_unittests",
     ":mojo_public_bindings_perftests",
     ":mojo_public_bindings_unittests",
     ":mojo_public_environment_unittests",
     ":mojo_public_system_perftests",
     ":mojo_public_system_unittests",
     ":mojo_public_utility_unittests",
     ":mojo_system_impl_private_unittests",
   ]
-
-  if (mojo_use_application_in_sdk) {
-    deps += [ ":mojo_public_application_unittests" ]
-  }
 }
 
-if (mojo_use_application_in_sdk) {
-  test("mojo_public_application_unittests") {
-    deps = [
-      ":run_all_unittests",
-      "../../public/cpp/application/tests",
-    ]
-  }
+test("mojo_public_application_unittests") {
+  deps = [
+    ":run_all_unittests",
+    "../../public/cpp/application/tests",
+  ]
 }
 
 test("mojo_public_bindings_unittests") {
   deps = [
     ":run_all_unittests",
     "../../public/cpp/bindings/tests",
   ]
 }
 
 test("mojo_public_bindings_perftests") {
@@ skipping 30 matching lines @@
     "../../public/cpp/utility/tests",
   ]
 }
 
 test("mojo_system_impl_private_unittests") {
   deps = [
     ":run_all_unittests",
     "../../public/platform/native:system_impl_private_tests",
   ]
 }