Rename AudioInputWriter -> AudioFileWriter.

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 44 matching lines @@
   sources = [
     "agc_audio_stream.h",
     "audio_device_description.cc",
     "audio_device_description.h",
     "audio_device_name.cc",
     "audio_device_name.h",
     "audio_device_thread.cc",
     "audio_device_thread.h",
     "audio_features.cc",
     "audio_features.h",
+    "audio_file_writer.h",
     "audio_input_controller.cc",
     "audio_input_controller.h",
     "audio_input_device.cc",
     "audio_input_device.h",
     "audio_input_ipc.cc",
     "audio_input_ipc.h",
     "audio_io.h",
     "audio_manager.cc",
     "audio_manager.h",
     "audio_manager_base.cc",
@@ skipping 301 matching lines @@
     ]
   }
 
   if (use_alsa) {
     sources += [
       "alsa/alsa_output_unittest.cc",
       "audio_low_latency_input_output_unittest.cc",
     ]
   }
 }