Use Mojo enum types in the C++ USB interface

device/usb/usb_device_handle_usbfs.h

 // Copyright 2016 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_USBFS_H_
 #define DEVICE_USB_USB_DEVICE_HANDLE_USBFS_H_
 
 #include <list>
 #include <map>
 #include <memory>
@@ skipping 32 matching lines @@
                         const ResultCallback& callback) override;
   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_number,
       const std::vector<uint32_t>& packet_lengths,
       unsigned int timeout,
       const IsochronousTransferCallback& callback) override;
   void IsochronousTransferOut(
       uint8_t endpoint_number,
       scoped_refptr<net::IOBuffer> buffer,
       const std::vector<uint32_t>& packet_lengths,
       unsigned int timeout,
       const IsochronousTransferCallback& callback) override;
   // To support DevTools this function may be called from any thread and on
   // completion |callback| will be run on that thread.
-  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:
   ~UsbDeviceHandleUsbfs() override;
@@ skipping 25 matching lines @@
                                 const ResultCallback& callback);
   void ReleaseInterfaceComplete(int interface_number,
                                 const ResultCallback& callback);
   void IsochronousTransferInternal(uint8_t endpoint_address,
                                    scoped_refptr<net::IOBuffer> buffer,
                                    size_t total_length,
                                    const std::vector<uint32_t>& packet_lengths,
                                    unsigned int timeout,
                                    const IsochronousTransferCallback& callback);
   void GenericTransferInternal(
-      UsbEndpointDirection direction,
+      UsbTransferDirection direction,
       uint8_t endpoint_number,
       scoped_refptr<net::IOBuffer> buffer,
       size_t length,
       unsigned int timeout,
       const TransferCallback& callback,
       scoped_refptr<base::SingleThreadTaskRunner> callback_runner);
   void ReapedUrbs(const std::vector<usbdevfs_urb*>& urbs);
   void TransferComplete(std::unique_ptr<Transfer> transfer);
   void RefreshEndpointInfo();
   void ReportIsochronousError(
@@ skipping 23 matching lines @@
   // Helper object exists on the blocking task thread and all calls to it and
   // its destruction must be posted there.
   std::unique_ptr<FileThreadHelper> helper_;
 
   std::list<std::unique_ptr<Transfer>> transfers_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_USB_USB_DEVICE_HANDLE_USBFS_H_