Use Mojo enum types in the C++ USB interface

device/usb/usb_device_handle_impl.h

 // Copyright 2014 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.
 
 #ifndef DEVICE_USB_USB_DEVICE_HANDLE_IMPL_H_
 #define DEVICE_USB_USB_DEVICE_HANDLE_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 43 matching lines @@
   void ClaimInterface(int interface_number,
                       const ResultCallback& callback) override;
   void ReleaseInterface(int interface_number,
                         const ResultCallback& callback) override;
   void SetInterfaceAlternateSetting(int interface_number,
                                     int alternate_setting,
                                     const ResultCallback& callback) override;
   void ResetDevice(const ResultCallback& callback) override;
   void ClearHalt(uint8_t endpoint, const ResultCallback& callback) override;
 
-  void ControlTransfer(UsbEndpointDirection direction,
-                       TransferRequestType request_type,
-                       TransferRecipient recipient,
+  void ControlTransfer(UsbTransferDirection direction,
+                       UsbControlTransferType request_type,
+                       UsbControlTransferRecipient recipient,
                        uint8_t request,
                        uint16_t value,
                        uint16_t index,
                        scoped_refptr<net::IOBuffer> buffer,
                        size_t length,
                        unsigned int timeout,
                        const TransferCallback& callback) override;
 
   void IsochronousTransferIn(
       uint8_t endpoint,
       const std::vector<uint32_t>& packet_lengths,
       unsigned int timeout,
       const IsochronousTransferCallback& callback) override;
 
   void IsochronousTransferOut(
       uint8_t endpoint,
       scoped_refptr<net::IOBuffer> buffer,
       const std::vector<uint32_t>& packet_lengths,
       unsigned int timeout,
       const IsochronousTransferCallback& callback) override;
 
-  void GenericTransfer(UsbEndpointDirection direction,
+  void GenericTransfer(UsbTransferDirection direction,
                        uint8_t endpoint_number,
                        scoped_refptr<net::IOBuffer> buffer,
                        size_t length,
                        unsigned int timeout,
                        const TransferCallback& callback) override;
   const UsbInterfaceDescriptor* FindInterfaceByEndpoint(
       uint8_t endpoint_address) override;
 
  protected:
   friend class UsbDeviceImpl;
@@ skipping 35 matching lines @@
   // Refresh endpoint_map_ after ClaimInterface, ReleaseInterface and
   // SetInterfaceAlternateSetting.
   void RefreshEndpointMap();
 
   // Look up the claimed interface by endpoint. Return NULL if the interface
   // of the endpoint is not found.
   scoped_refptr<InterfaceClaimer> GetClaimedInterfaceForEndpoint(
       uint8_t endpoint);
 
   void ControlTransferInternal(
-      UsbEndpointDirection direction,
-      TransferRequestType request_type,
-      TransferRecipient recipient,
+      UsbTransferDirection direction,
+      UsbControlTransferType request_type,
+      UsbControlTransferRecipient recipient,
       uint8_t request,
       uint16_t value,
       uint16_t index,
       scoped_refptr<net::IOBuffer> buffer,
       size_t length,
       unsigned int timeout,
       scoped_refptr<base::TaskRunner> callback_task_runner,
       const TransferCallback& callback);
 
   void IsochronousTransferInInternal(
@@ skipping 50 matching lines @@
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 
   base::ThreadChecker thread_checker_;
 
   DISALLOW_COPY_AND_ASSIGN(UsbDeviceHandleImpl);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_USB_USB_DEVICE_HANDLE_IMPL_H_