[GN/iOS] Explicitly list test data in //components.

components/dom_distiller/core/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.
 
 # GYP version: components/dom_distiller.gypi:dom_distiller_core
 source_set("core") {
   sources = [
     "article_attachments_data.cc",
     "article_attachments_data.h",
     "article_distillation_update.cc",
@@ skipping 93 matching lines @@
     ":core",
     "//base",
     "//components/leveldb_proto:test_support",
     "//sync",
     "//testing/gmock",
     "//testing/gtest",
     "//url",
   ]
 }
 
+bundle_data("unit_tests_bundle_data") {
+  visibility = [ ":unit_tests" ]
+  testonly = true
+  sources = [
+    "//components/test/data/dom_distiller/core_features.json",
+    "//components/test/data/dom_distiller/derived_features.json",
+  ]
+  outputs = [
+    "{{bundle_resources_dir}}/" +
+        "{{source_root_relative_dir}}/{{source_file_part}}",
+  ]
+}
+
 source_set("unit_tests") {
   testonly = true
   sources = [
     "article_entry_unittest.cc",
     "distillable_page_detector_unittest.cc",
     "distilled_content_store_unittest.cc",
     "distilled_page_prefs_unittests.cc",
     "distiller_unittest.cc",
     "distiller_url_fetcher_unittest.cc",
     "dom_distiller_model_unittest.cc",
     "dom_distiller_request_view_base_unittest.cc",
     "dom_distiller_service_unittest.cc",
     "dom_distiller_store_unittest.cc",
     "page_features_unittest.cc",
     "task_tracker_unittest.cc",
     "url_utils_unittest.cc",
     "viewer_unittest.cc",
   ]
 
   deps = [
     ":core",
     ":test_support",
+    ":unit_tests_bundle_data",
     "//base",
     "//components/leveldb_proto:test_support",
     "//components/pref_registry:test_support",
     "//components/resources",
     "//components/strings",
     "//net:test_support",
     "//sync",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/base",
     "//url",
   ]
 }
 
 if (is_android) {
   import("//build/config/android/rules.gni")
 
   generate_jni("jni_headers") {
     sources = [
       "../android/java/src/org/chromium/components/dom_distiller/core/DistilledPagePrefs.java",
       "../android/java/src/org/chromium/components/dom_distiller/core/DomDistillerService.java",
       "../android/java/src/org/chromium/components/dom_distiller/core/DomDistillerUrlUtils.java",
     ]
     jni_package = "dom_distiller_core"
   }
 }