media: Reorganize media unittests

media/audio/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/linux/pkg_config.gni")
 import("//media/media_options.gni")
 
 # When libpulse is not directly linked, use stubs to allow for dlopening of the
 # binary.
 if (!link_pulseaudio) {
@@ skipping 280 matching lines @@
   configs += [ ":platform_config" ]
   deps = [
     "//base",
     "//media",
     "//testing/gmock",
     "//testing/gtest",
   ]
   configs += [ "//media:media_config" ]
 }
 
-source_set("unittests") {
+source_set("unit_tests") {
   testonly = true
   sources = [
     "audio_input_controller_unittest.cc",
     "audio_input_unittest.cc",
     "audio_manager_unittest.cc",
     "audio_output_controller_unittest.cc",
     "audio_output_device_unittest.cc",
     "audio_output_proxy_unittest.cc",
     "audio_power_monitor_unittest.cc",
     "audio_streams_tracker_unittest.cc",
@@ skipping 63 matching lines @@
     ]
   }
 
   if (use_alsa) {
     sources += [
       "alsa/alsa_output_unittest.cc",
       "audio_low_latency_input_output_unittest.cc",
     ]
   }
 }