Cleanup: move WebRTC related files from chrome/browser/media to chrome/browser/media/webrtc/

chrome/browser/media/webrtc_browsertest_audio.h

-// 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.
-
-#ifndef CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_AUDIO_H_
-#define CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_AUDIO_H_
-
-#include <vector>
-
-namespace base {
-class FilePath;
-}
-
-namespace media {
-class AudioParameters;
-}
-
-namespace test {
-
-// Computes the average power of the audio signal seen over the entire file.
-//
-// The |file_parameters| pointer is filled with a copy of the audio file's
-// parameters as deduced by wav_audio_handler.h (i.e. what's in the header).
-//
-// Returns a audio dBFS (decibels relative to full-scale) value.
-// See media/audio/audio_power_monitor.h for more details.
-float ComputeAudioEnergyForWavFile(const base::FilePath& wav_file_path,
-                                   media::AudioParameters* file_parameters);
-
-}  // namespace test
-
-#endif  // CHROME_BROWSER_MEDIA_WEBRTC_BROWSERTEST_AUDIO_H_