Add constructors and operators to MediaDeviceInfo.

content/browser/renderer_host/media/media_devices_manager.cc

 // Copyright 2016 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/browser/renderer_host/media/media_devices_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 367 matching lines @@
                  is_input),
       base::Bind(&MediaDevicesManager::DevicesEnumerated,
                  weak_factory_.GetWeakPtr(), type));
 }
 
 void MediaDevicesManager::VideoInputDevicesEnumerated(
     const media::VideoCaptureDeviceDescriptors& descriptors) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   MediaDeviceInfoArray snapshot;
   for (const auto& descriptor : descriptors) {
-    snapshot.emplace_back(descriptor.device_id, descriptor.GetNameAndModel(),
-                          std::string());
+    snapshot.emplace_back(descriptor);
   }
   DevicesEnumerated(MEDIA_DEVICE_TYPE_VIDEO_INPUT, snapshot);
 }
 
 void MediaDevicesManager::DevicesEnumerated(
     MediaDeviceType type,
     const MediaDeviceInfoArray& snapshot) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(IsValidMediaDeviceType(type));
   UpdateSnapshot(type, snapshot);
@@ skipping 120 matching lines @@
     const MediaDeviceInfoArray& snapshot) {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   DCHECK(IsValidMediaDeviceType(type));
 
   for (const auto& subscriber : device_change_subscribers_[type]) {
     subscriber->OnDevicesChanged(type, snapshot);
   }
 }
 
 }  // namespace content