PepperPlatformAudioInputImpl: support audio input device selection.

content/renderer/media/media_stream_dispatcher.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/renderer/media/media_stream_dispatcher.h"
 
 #include "base/logging.h"
 #include "content/common/media/media_stream_messages.h"
 #include "content/renderer/media/media_stream_dispatcher_eventhandler.h"
 #include "content/renderer/render_view_impl.h"
@@ skipping 215 matching lines @@
 void MediaStreamDispatcher::OnDeviceOpened(
     int request_id,
     const std::string& label,
     const media_stream::StreamDeviceInfo& device_info) {
   for (RequestList::iterator it = requests_.begin();
        it != requests_.end(); ++it) {
     Request& request = *it;
     if (request.ipc_request == request_id) {
       Stream new_stream;
       new_stream.handler = request.handler;
-      new_stream.video_array.push_back(device_info);
+      if (device_info.stream_type ==
+              content::MEDIA_STREAM_DEVICE_TYPE_VIDEO_CAPTURE) {
+        new_stream.video_array.push_back(device_info);
+      } else {
+        new_stream.audio_array.push_back(device_info);
+      }
       label_stream_map_[label] = new_stream;
       request.handler->OnDeviceOpened(request.request_id, label,
                                       device_info);
       DVLOG(1) << "MediaStreamDispatcher::OnDeviceOpened("
                << request.request_id << ", " << label << ")";
       requests_.erase(it);
       break;
     }
   }
 }
@@ skipping 28 matching lines @@
 
 int MediaStreamDispatcher::video_session_id(const std::string& label,
                                             int index) {
   LabelStreamMap::iterator it = label_stream_map_.find(label);
   if (it == label_stream_map_.end())
     return media_stream::StreamDeviceInfo::kNoId;
 
   DCHECK_GT(it->second.video_array.size(), static_cast<size_t>(index));
   return it->second.video_array[index].session_id;
 }