Rename AudioInputWriter -> AudioFileWriter.

media/audio/audio_file_writer.h

Index: media/audio/audio_file_writer.h
diff --git a/media/audio/audio_input_writer.h b/media/audio/audio_file_writer.h
similarity index 78%
rename from media/audio/audio_input_writer.h
rename to media/audio/audio_file_writer.h
index 9e9f9a723489c7f1b8c8fef6229cc7e958ec0690..e7f8f48ab7941ef556b14e4ed9b3de4e2f280045 100644
--- a/media/audio/audio_input_writer.h
+++ b/media/audio/audio_file_writer.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef MEDIA_AUDIO_AUDIO_INPUT_WRITER_H_
-#define MEDIA_AUDIO_AUDIO_INPUT_WRITER_H_
+#ifndef MEDIA_AUDIO_AUDIO_FILE_WRITER_H_
+#define MEDIA_AUDIO_AUDIO_FILE_WRITER_H_
 
 #include <memory>
 
@@ -11,11 +11,11 @@ namespace media {
 
 class AudioBus;
 
-// A writer interface used by AudioInputController for writing audio data to
-// file for debugging purposes.
-class AudioInputWriter {
+// A writer interface used for writing audio data to file for debugging
+// purposes.
+class AudioFileWriter {
  public:
-  virtual ~AudioInputWriter() {}
+  virtual ~AudioFileWriter() {}
 
   // Must be called before calling Write() for the first time after creation or
   // Stop() call. Can be called on any sequence; Write() and Stop() must be
@@ -38,4 +38,4 @@ class AudioInputWriter {
 
 }  // namspace media
 
-#endif  // MEDIA_AUDIO_AUDIO_INPUT_WRITER_H_
+#endif  // MEDIA_AUDIO_AUDIO_FILE_WRITER_H_