Cleanup: IWYU for base/gtest_prod_util.h.

components/audio_modem/audio_recorder.h

 // Copyright 2015 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.
 
 #ifndef COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_
 #define COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_
 
 #include <string>
 
-#include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/audio/audio_io.h"
 #include "media/audio/audio_parameters.h"
 #include "media/base/audio_converter.h"
 
 namespace audio_modem {
 
 // The AudioRecorder class will record audio until told to stop.
 class AudioRecorder {
@@ skipping 11 matching lines @@
   // Cleans up and deletes this object. Do not use object after this call.
   virtual void Finalize() = 0;
 
  protected:
   virtual ~AudioRecorder() {}
 };
 
 }  // namespace audio_modem
 
 #endif  // COMPONENTS_AUDIO_MODEM_AUDIO_RECORDER_H_