Retry: Win Video Capture: Create an STA |video_capture_thread_| from MediaStreamManager.

content/browser/renderer_host/media/video_capture_manager.h

Index: content/browser/renderer_host/media/video_capture_manager.h
diff --git a/content/browser/renderer_host/media/video_capture_manager.h b/content/browser/renderer_host/media/video_capture_manager.h
index a42fc537ab7c4bb6f56a5bd007f5fac22da23954..544fb86472f8a53c13579f7eed14db543a57870d 100644
--- a/content/browser/renderer_host/media/video_capture_manager.h
+++ b/content/browser/renderer_host/media/video_capture_manager.h
@@ -131,6 +131,13 @@ class CONTENT_EXPORT VideoCaptureManager : public MediaStreamProvider {
     return video_capture_device_factory_.get();
   }
 
+#if defined(OS_WIN)
+  void set_device_task_runner(
+      const scoped_refptr<base::SingleThreadTaskRunner>& device_task_runner) {
+    device_task_runner_ = device_task_runner;
+  }
+#endif
+
  private:
   ~VideoCaptureManager() override;
   struct DeviceEntry;