Use Mojo enum types in the C++ USB interface

device/usb/usb_descriptors.h

Index: device/usb/usb_descriptors.h
diff --git a/device/usb/usb_descriptors.h b/device/usb/usb_descriptors.h
index 9039c957100108c790a848284882deb2a8d7cdf6..b0f5be6b6f4904313e1ec5707093f841afb7b206 100644
--- a/device/usb/usb_descriptors.h
+++ b/device/usb/usb_descriptors.h
@@ -14,22 +14,14 @@
 #include "base/callback_forward.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/string16.h"
+#include "device/usb/public/interfaces/device.mojom.h"
 
 namespace device {
 
 class UsbDeviceHandle;
 
-enum UsbTransferType {
-  USB_TRANSFER_CONTROL = 0,
-  USB_TRANSFER_ISOCHRONOUS,
-  USB_TRANSFER_BULK,
-  USB_TRANSFER_INTERRUPT,
-};
-
-enum UsbEndpointDirection {
-  USB_DIRECTION_INBOUND = 0,
-  USB_DIRECTION_OUTBOUND,
-};
+using UsbTransferType = mojom::UsbTransferType;
+using UsbTransferDirection = mojom::UsbTransferDirection;
 
 enum UsbSynchronizationType {
   USB_SYNCHRONIZATION_NONE = 0,
@@ -61,7 +53,7 @@ struct UsbEndpointDescriptor {
   ~UsbEndpointDescriptor();
 
   uint8_t address;
-  UsbEndpointDirection direction;
+  UsbTransferDirection direction;
   uint16_t maximum_packet_size;
   UsbSynchronizationType synchronization_type;
   UsbTransferType transfer_type;