gn/mac: Add missing test to media_blink_unittests

media/blink/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("//media/media_options.gni")
 import("//testing/test.gni")
 
 component("blink") {
   output_name = "media_blink"
 
@@ skipping 122 matching lines @@
     "buffered_resource_loader_unittest.cc",
     "cache_util_unittest.cc",
     "interval_map_unittest.cc",
     "key_system_config_selector_unittest.cc",
     "lru_unittest.cc",
     "mock_webframeclient.h",
     "mock_weburlloader.cc",
     "mock_weburlloader.h",
     "multibuffer_data_source_unittest.cc",
     "multibuffer_unittest.cc",
+    "resource_multibuffer_data_provider_unittest.cc",
     "run_all_unittests.cc",
     "test_response_generator.cc",
     "test_response_generator.h",
     "url_index_unittest.cc",
     "video_frame_compositor_unittest.cc",
     "webaudiosourceprovider_impl_unittest.cc",
     "webmediaplayer_impl_unittest.cc",
   ]
 
   if (is_android) {
     deps += [
       "//media/base/android",
       "//media/base/android:media_java",
       "//v8:v8_external_startup_data_assets",
     ]
   }
 }