Simplify/Cleanup MediaClient

chrome/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("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//chrome/common/features.gni")
@@ skipping 3432 matching lines @@
     "../common/partial_circular_buffer_unittest.cc",
     "../common/pref_names_util_unittest.cc",
     "../common/search/instant_types_unittest.cc",
     "../common/search/search_urls_unittest.cc",
     "../common/secure_origin_whitelist_unittest.cc",
     "../common/switch_utils_unittest.cc",
     "../renderer/app_categorizer_unittest.cc",
     "../renderer/chrome_content_renderer_client_unittest.cc",
     "../renderer/content_settings_observer_unittest.cc",
     "../renderer/instant_restricted_id_cache_unittest.cc",
+    "../renderer/media/chrome_key_systems_provider_unittest.cc",
     "../renderer/page_load_metrics/fake_page_timing_metrics_ipc_sender.cc",
     "../renderer/page_load_metrics/fake_page_timing_metrics_ipc_sender.h",
     "../renderer/page_load_metrics/metrics_render_frame_observer_unittest.cc",
     "../renderer/page_load_metrics/page_timing_metrics_sender_unittest.cc",
     "../renderer/plugins/plugin_uma_unittest.cc",
     "../renderer/prerender/prerender_dispatcher_unittest.cc",
     "../renderer/searchbox/search_bouncer_unittest.cc",
     "../renderer/searchbox/searchbox_extension_unittest.cc",
     "../renderer/searchbox/searchbox_unittest.cc",
     "../renderer/web_apps_unittest.cc",
@@ skipping 1778 matching lines @@
 }
 
 if (is_win) {
   loadable_module("conflicts_dll") {
     testonly = true
     sources = [
       "conflicts/conflicts_dll.cc",
     ]
   }
 }