Move the device enumerate/open/close work to device thread from IO thread

media/video/capture/win/video_capture_device_win.cc

Index: media/video/capture/win/video_capture_device_win.cc
diff --git a/media/video/capture/win/video_capture_device_win.cc b/media/video/capture/win/video_capture_device_win.cc
index 55b5a16de823698b8bfe091b7b45f45bc2735e42..c941d5c08999499fa1f59361f552554229583b97 100644
--- a/media/video/capture/win/video_capture_device_win.cc
+++ b/media/video/capture/win/video_capture_device_win.cc
@@ -177,10 +177,10 @@ namespace media {
 static const char kGoogleCameraAdapter[] = "google camera adapter";
 
 // Gets the names of all video capture devices connected to this computer.
+// This API can only be run on a COM initialized thread.
 void VideoCaptureDevice::GetDeviceNames(Names* device_names) {
   DCHECK(device_names);
 
-  base::win::ScopedCOMInitializer coinit;
   ScopedComPtr<ICreateDevEnum> dev_enum;

[tommi (sloooow) - chröme, 2012/07/02 13:36:36]

DCHECK(CalledOnValidThread()) first

   HRESULT hr = dev_enum.CreateInstance(CLSID_SystemDeviceEnum, NULL,
                                        CLSCTX_INPROC);