Ensures that WebRTC works for device selection using a different sample rate than default

content/common/media/media_stream_options.h

 // 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.
 
 #ifndef CONTENT_COMMON_MEDIA_MEDIA_STREAM_OPTIONS_H_
 #define CONTENT_COMMON_MEDIA_MEDIA_STREAM_OPTIONS_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 31 matching lines @@
 
 // StreamDeviceInfo describes information about a device.
 struct CONTENT_EXPORT StreamDeviceInfo {
   static const int kNoId;
 
   StreamDeviceInfo();
   StreamDeviceInfo(MediaStreamType service_param,
                    const std::string& name_param,
                    const std::string& device_param,
                    bool opened);
+  StreamDeviceInfo(MediaStreamType service_param,
+                   const std::string& name_param,
+                   const std::string& device_param,
+                   int sample_rate,
+                   int channel_layout,
+                   bool opened);
   static bool IsEqual(const StreamDeviceInfo& first,
                       const StreamDeviceInfo& second);
 
   MediaStreamDevice device;
   // Set to true if the device has been opened, false otherwise.
   bool in_use;
   // Id for this capture session. Unique for all sessions of the same type.
   int session_id;
 };
 
 typedef std::vector<StreamDeviceInfo> StreamDeviceInfoArray;
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_MEDIA_MEDIA_STREAM_OPTIONS_H_