Make AudioParameters a class instead of a struct

media/audio/fake_audio_input_stream.cc

 // Copyright (c) 2012 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.
 
 #include "media/audio/fake_audio_input_stream.h"
 
 #include "base/bind.h"
 
 using base::Time;
 using base::TimeDelta;
 
 AudioInputStream* FakeAudioInputStream::MakeFakeStream(
     const AudioParameters& params) {
   return new FakeAudioInputStream(params);
 }
 
 FakeAudioInputStream::FakeAudioInputStream(const AudioParameters& params)
     : callback_(NULL),
-      buffer_size_((params.channels * params.bits_per_sample *
-                    params.samples_per_packet) / 8),
+      buffer_size_((params.channels() * params.bits_per_sample() *
+                    params.samples_per_packet()) / 8),
       thread_("FakeAudioRecordingThread"),
       callback_interval_(base::TimeDelta::FromMilliseconds(
-          (params.samples_per_packet * 1000) / params.sample_rate)) {
+          (params.samples_per_packet() * 1000) / params.samples_per_second())) {
   // This object is ref counted (so that it can be used with Thread, PostTask)
   // but the caller expects a plain pointer. So we take a reference here and
   // will Release() ourselves in Close().
   AddRef();
 }
 
 FakeAudioInputStream::~FakeAudioInputStream() {}
 
 bool FakeAudioInputStream::Open() {
   buffer_.reset(new uint8[buffer_size_]);
@@ skipping 46 matching lines @@
 
 double FakeAudioInputStream::GetMaxVolume() {
   return 0.0;
 }
 
 void FakeAudioInputStream::SetVolume(double volume) {}
 
 double FakeAudioInputStream::GetVolume() {
   return 0.0;
 }