Fix dependencies on policy_component_test_support

components/policy/core/browser/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("//build/config/features.gni")
 
 # GYP version: components/policy.gypi:policy_component_core_browser
 source_set("browser") {
   visibility = [ "//components/policy/*" ]
   sources = [
@@ skipping 60 matching lines @@
     deps += [
       "//components/autofill/core/common",
       "//components/policy",
       "//components/policy/proto",
       "//components/proxy_config",
       "//third_party/icu",
     ]
   }
 }
 
-source_set("unit_tests") {
-  testonly = true
-  sources = [
-    "android/android_combined_policy_provider_unittest.cc",
-    "android/policy_converter_unittest.cc",
-    "autofill_policy_handler_unittest.cc",
-    "browser_policy_connector_unittest.cc",
-    "configuration_policy_handler_unittest.cc",
-    "configuration_policy_pref_store_unittest.cc",
-    "proxy_policy_handler_unittest.cc",
-    "url_blacklist_manager_unittest.cc",
-    "url_blacklist_policy_handler_unittest.cc",
-  ]
-  deps = [
-    "//components/url_formatter",
-    "//testing/gmock",
-    "//testing/gtest",
-  ]
-  if (enable_configuration_policy) {
-    deps += [ "//components/policy:policy_component_test_support" ]
+if (enable_configuration_policy) {
+  source_set("unit_tests") {
+    testonly = true
+    sources = [
+      "android/android_combined_policy_provider_unittest.cc",
+      "android/policy_converter_unittest.cc",
+      "autofill_policy_handler_unittest.cc",
+      "browser_policy_connector_unittest.cc",
+      "configuration_policy_handler_unittest.cc",
+      "configuration_policy_pref_store_unittest.cc",
+      "proxy_policy_handler_unittest.cc",
+      "url_blacklist_manager_unittest.cc",
+      "url_blacklist_policy_handler_unittest.cc",
+    ]
+    deps = [
+      "//components/policy:policy_component_test_support",
+      "//components/url_formatter",
+      "//testing/gmock",
+      "//testing/gtest",
+    ]
   }
 }