Make AudioParameters a class instead of a struct

content/test/webrtc_audio_device_test.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 "content/test/webrtc_audio_device_test.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/compiler_specific.h"
 #include "base/file_util.h"
@@ skipping 205 matching lines @@
       audio_util_callback_->GetAudioHardwareSampleRate() : 0.0;
 }
 
 void WebRTCAudioDeviceTest::OnGetHardwareInputSampleRate(double* sample_rate) {
   EXPECT_TRUE(audio_util_callback_);
   *sample_rate = audio_util_callback_ ?
       audio_util_callback_->GetAudioInputHardwareSampleRate(
           AudioManagerBase::kDefaultDeviceId) : 0.0;
 }
 
-void WebRTCAudioDeviceTest::OnGetHardwareInputChannelCount(uint32* channels) {
+void WebRTCAudioDeviceTest::OnGetHardwareInputChannelLayout(
+    ChannelLayout* layout) {
   EXPECT_TRUE(audio_util_callback_);
-  *channels = audio_util_callback_ ?
-      audio_util_callback_->GetAudioInputHardwareChannelCount(
-          AudioManagerBase::kDefaultDeviceId) : 0;
+  *layout = audio_util_callback_ ?
+      audio_util_callback_->GetAudioInputHardwareChannelLayout(
+          AudioManagerBase::kDefaultDeviceId) : CHANNEL_LAYOUT_NONE;
 }
 
 // IPC::Channel::Listener implementation.
 bool WebRTCAudioDeviceTest::OnMessageReceived(const IPC::Message& message) {
   if (render_thread_) {
     IPC::ChannelProxy::MessageFilter* filter =
         render_thread_->audio_input_message_filter();
     if (filter->OnMessageReceived(message))
       return true;
 
@@ skipping 14 matching lines @@
       return true;
   }
 
   bool handled ALLOW_UNUSED = true;
   bool message_is_ok = true;
   IPC_BEGIN_MESSAGE_MAP_EX(WebRTCAudioDeviceTest, message, message_is_ok)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetHardwareSampleRate,
                         OnGetHardwareSampleRate)
     IPC_MESSAGE_HANDLER(ViewHostMsg_GetHardwareInputSampleRate,
                         OnGetHardwareInputSampleRate)
-    IPC_MESSAGE_HANDLER(ViewHostMsg_GetHardwareInputChannelCount,
-                        OnGetHardwareInputChannelCount)
+    IPC_MESSAGE_HANDLER(ViewHostMsg_GetHardwareInputChannelLayout,
+                        OnGetHardwareInputChannelLayout)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP_EX()
 
   EXPECT_TRUE(message_is_ok);
 
   return true;
 }
 
 // Posts a final task to the IO message loop and waits for completion.
 void WebRTCAudioDeviceTest::WaitForIOThreadCompletion() {
@@ skipping 41 matching lines @@
 WebRTCTransportImpl::~WebRTCTransportImpl() {}
 
 int WebRTCTransportImpl::SendPacket(int channel, const void* data, int len) {
   return network_->ReceivedRTPPacket(channel, data, len);
 }
 
 int WebRTCTransportImpl::SendRTCPPacket(int channel, const void* data,
                                         int len) {
   return network_->ReceivedRTCPPacket(channel, data, len);
 }