Use the task scheduler in the new Windows USB backend

device/usb/usb_service.cc

Index: device/usb/usb_service.cc
diff --git a/device/usb/usb_service.cc b/device/usb/usb_service.cc
index eac66f3088ab7646e3ed27dc133e2d31655810f0..41b9b1421c755758a959bc964d934411e3e85716 100644
--- a/device/usb/usb_service.cc
+++ b/device/usb/usb_service.cc
@@ -44,15 +44,14 @@ void UsbService::Observer::OnDeviceRemovedCleanup(
 void UsbService::Observer::WillDestroyUsbService() {}
 
 // static
-std::unique_ptr<UsbService> UsbService::Create(
-    scoped_refptr<base::SequencedTaskRunner> blocking_task_runner) {
+std::unique_ptr<UsbService> UsbService::Create() {
 #if defined(OS_ANDROID)
   return base::WrapUnique(new UsbServiceAndroid());
 #elif defined(USE_UDEV)
   return base::WrapUnique(new UsbServiceLinux());
 #elif defined(OS_WIN)
   if (base::FeatureList::IsEnabled(kNewUsbBackend))
-    return base::WrapUnique(new UsbServiceWin(blocking_task_runner));
+    return base::WrapUnique(new UsbServiceWin());
   else
     return base::WrapUnique(new UsbServiceImpl());
 #elif defined(OS_MACOSX)