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"
 #include "media/audio/audio_manager_base.h"
 
 using base::Time;
 using base::TimeDelta;
 
 AudioInputStream* FakeAudioInputStream::MakeFakeStream(
     AudioManagerBase* manager,
     const AudioParameters& params) {
   return new FakeAudioInputStream(manager, params);
 }
 
 FakeAudioInputStream::FakeAudioInputStream(AudioManagerBase* manager,
                                            const AudioParameters& params)
     : audio_manager_(manager),
       callback_(NULL),
-      buffer_size_((params.channels * params.bits_per_sample *
-                    params.samples_per_packet) / 8),
+      buffer_size_((params.channels() * params.bits_per_sample() *
+                    params.frames_per_buffer()) / 8),
       thread_("FakeAudioRecordingThread"),
       callback_interval_(base::TimeDelta::FromMilliseconds(
-          (params.samples_per_packet * 1000) / params.sample_rate)) {
+          (params.frames_per_buffer() * 1000) / params.sample_rate())) {
 }
 
 FakeAudioInputStream::~FakeAudioInputStream() {}
 
 bool FakeAudioInputStream::Open() {
   buffer_.reset(new uint8[buffer_size_]);
   memset(buffer_.get(), 0, buffer_size_);
   return true;
 }
 
@@ skipping 42 matching lines @@
 
 double FakeAudioInputStream::GetMaxVolume() {
   return 0.0;
 }
 
 void FakeAudioInputStream::SetVolume(double volume) {}
 
 double FakeAudioInputStream::GetVolume() {
   return 0.0;
 }