Refactor AudioParameters member setting.

content/common/media/media_param_traits.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/common/media/media_param_traits.h"
 
 #include "base/strings/stringprintf.h"
 #include "content/common/media/audio_messages.h"
 #include "content/common/media/video_capture_messages.h"
 #include "ipc/ipc_message_utils.h"
@@ skipping 26 matching lines @@
   int sample_rate, bits_per_sample, frames_per_buffer, channels, effects;
 
   if (!ReadParam(m, iter, &format) || !ReadParam(m, iter, &channel_layout) ||
       !ReadParam(m, iter, &sample_rate) ||
       !ReadParam(m, iter, &bits_per_sample) ||
       !ReadParam(m, iter, &frames_per_buffer) ||
       !ReadParam(m, iter, &channels) || !ReadParam(m, iter, &effects)) {
     return false;
   }
 
-  AudioParameters params(format, channel_layout, channels, sample_rate,
-                         bits_per_sample, frames_per_buffer, effects);
+  AudioParameters params(format, channel_layout, sample_rate, bits_per_sample,
+                         frames_per_buffer);
+  params.set_channels_for_discrete(channels);
+  params.set_effects(effects);
+
   *r = params;
   return r->IsValid();
 }
 
 void ParamTraits<AudioParameters>::Log(const AudioParameters& p,
                                        std::string* l) {
   l->append(base::StringPrintf("<AudioParameters>"));
 }
 
 void ParamTraits<VideoCaptureFormat>::Write(Message* m,
@@ skipping 15 matching lines @@
   }
   return r->IsValid();
 }
 
 void ParamTraits<VideoCaptureFormat>::Log(const VideoCaptureFormat& p,
                                           std::string* l) {
   l->append(base::StringPrintf("<VideoCaptureFormat> %s",
                                media::VideoCaptureFormat::ToString(p).c_str()));
 }
 
-}
+}  // namespace IPC