Fix GN NaCl Debug build of base.

base/test/BUILD.gn

 # Copyright (c) 2013 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/ui.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 }
 
+source_set("test_config") {
+  # TODO http://crbug.com/412064 enable this flag all the time.
+  testonly = !is_component_build
+  sources = [
+    "test_switches.cc",
+    "test_switches.h",
+    "test_timeouts.cc",
+    "test_timeouts.h",
+  ]
+  deps = [
+    "//base",
+  ]
+}
+
 # GYP: //base/base.gyp:test_support_base
 source_set("test_support") {
   # TODO http://crbug.com/412064 enable this flag all the time.
   testonly = !is_component_build
   sources = [
     "expectations/expectation.cc",
     "expectations/expectation.h",
     "expectations/parser.cc",
     "expectations/parser.h",
     "gtest_util.cc",
@@ skipping 66 matching lines @@
     "test_shortcut_win.cc",
     "test_shortcut_win.h",
     "test_simple_task_runner.cc",
     "test_simple_task_runner.h",
     "test_suite.cc",
     "test_suite.h",
     "test_support_android.cc",
     "test_support_android.h",
     "test_support_ios.h",
     "test_support_ios.mm",
-    "test_switches.cc",
-    "test_switches.h",
-    "test_timeouts.cc",
-    "test_timeouts.h",
     "thread_test_helper.cc",
     "thread_test_helper.h",
     "trace_event_analyzer.cc",
     "trace_event_analyzer.h",
     "trace_to_file.cc",
     "trace_to_file.h",
     "values_test_util.cc",
     "values_test_util.h",
   ]
 
   public_deps = [
+    ":test_config",
     "//base",
     "//base:i18n",
     "//base:base_static",
   ]
   deps = [
     "//base/third_party/dynamic_annotations",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/libxml",
     "//third_party/icu:icuuc",
@@ skipping 49 matching lines @@
 }
 
 if (is_android) {
   generate_jni("base_unittests_jni_headers") {
     sources = [
       "android/java/src/org/chromium/base/ContentUriTestUtils.java",
     ]
     jni_package = "base"
   }
 }