Add constructor taking group ID to MediaStreamDevice and StreamDeviceInfo

content/browser/renderer_host/media/video_capture_manager.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/browser/renderer_host/media/video_capture_manager.h"
 
 #include <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 960 matching lines @@
   }
   devices_info_cache_ = new_devices_info_cache;
 
   // Walk the |devices_info_cache_| and transform from
   // VideoCaptureDeviceDescriptor to StreamDeviceInfo for return purposes.
   StreamDeviceInfoArray devices;
   std::vector<std::tuple<media::VideoCaptureDeviceDescriptor,
                          media::VideoCaptureFormats>>
       descriptors_and_formats;
   for (const auto& it : devices_info_cache_) {
+    // TODO(guidou): Implement group IDs for video capture devices.
+    // http://crbug.com/627793
     devices.emplace_back(stream_type, it.descriptor.GetNameAndModel(),
                          it.descriptor.device_id);
     descriptors_and_formats.emplace_back(it.descriptor, it.supported_formats);
     MediaInternals::GetInstance()->UpdateVideoCaptureDeviceCapabilities(
         descriptors_and_formats);
   }
   listener_->DevicesEnumerated(stream_type, devices);
 }
 
 bool VideoCaptureManager::IsOnDeviceThread() const {
@@ skipping 269 matching lines @@
     if (!device_in_queue) {
       // Session ID is only valid for Screen capture. So we can fake it to
       // resume video capture devices here.
       QueueStartDevice(kFakeSessionId, entry.get(), entry->parameters);
     }
   }
 }
 #endif  // defined(OS_ANDROID)
 
 }  // namespace content