Remove //device/devices_app.

device/devices_app/usb/public/interfaces/device.mojom

-// Copyright 2015 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.
-
-module device.usb;
-
-enum OpenDeviceError {
-  // Opening the device succeeded.
-  OK,
-
-  // The operating system denied access to the device.
-  ACCESS_DENIED,
-};
-
-enum TransferDirection {
-  INBOUND,
-  OUTBOUND,
-};
-
-enum ControlTransferType {
-  STANDARD,
-  CLASS,
-  VENDOR,
-  RESERVED
-};
-
-enum ControlTransferRecipient {
-  DEVICE,
-  INTERFACE,
-  ENDPOINT,
-  OTHER
-};
-
-enum EndpointType {
-  BULK,
-  INTERRUPT,
-  ISOCHRONOUS,
-};
-
-struct EndpointInfo {
-  uint8 endpoint_number;
-  TransferDirection direction;
-  EndpointType type;
-  uint32 packet_size;
-};
-
-struct AlternateInterfaceInfo {
-  uint8 alternate_setting;
-  uint8 class_code;
-  uint8 subclass_code;
-  uint8 protocol_code;
-  string? interface_name;
-  array<EndpointInfo> endpoints;
-};
-
-struct InterfaceInfo {
-  uint8 interface_number;
-  array<AlternateInterfaceInfo> alternates;
-};
-
-struct ConfigurationInfo {
-  uint8 configuration_value;
-  string? configuration_name;
-  array<InterfaceInfo> interfaces;
-};
-
-struct WebUsbFunctionSubset {
-  uint8 first_interface;
-  array<string> origins;
-};
-
-struct WebUsbConfigurationSubset {
-  uint8 configuration_value;
-  array<string> origins;
-  array<WebUsbFunctionSubset> functions;
-};
-
-struct WebUsbDescriptorSet {
-  array<string> origins;
-  array<WebUsbConfigurationSubset> configurations;
-};
-
-struct DeviceInfo {
-  string guid;
-  uint8 usb_version_major;
-  uint8 usb_version_minor;
-  uint8 usb_version_subminor;
-  uint8 class_code;
-  uint8 subclass_code;
-  uint8 protocol_code;
-  uint16 vendor_id;
-  uint16 product_id;
-  uint8 device_version_major;
-  uint8 device_version_minor;
-  uint8 device_version_subminor;
-  string? manufacturer_name;
-  string? product_name;
-  string? serial_number;
-  array<ConfigurationInfo> configurations;
-  WebUsbDescriptorSet? webusb_allowed_origins;
-};
-
-struct ControlTransferParams {
-  ControlTransferType type;
-  ControlTransferRecipient recipient;
-  uint8 request;
-  uint16 value;
-  uint16 index;
-};
-
-enum TransferStatus {
-  // The transfer completed successfully.
-  COMPLETED,
-
-  // The transfer failed due to a non-specific error.
-  TRANSFER_ERROR,
-
-  // The transfer was not allowed.
-  PERMISSION_DENIED,
-
-  // The transfer timed out.
-  TIMEOUT,
-
-  // The transfer was cancelled.
-  CANCELLED,
-
-  // The transfer stalled.
-  STALLED,
-
-  // The transfer failed because the device was disconnected from the host.
-  DISCONNECT,
-
-  // The transfer succeeded, but the device sent more data than was requested.
-  // This applies only to inbound transfers.
-  BABBLE,
-
-  // The transfer succeeded, but the device sent less data than was requested.
-  // This applies only to inbound transfers.
-  SHORT_PACKET,
-};
-
-struct IsochronousPacket {
-  uint32 length;
-  uint32 transferred_length;
-  TransferStatus status;
-};
-
-interface Device {
-  // Retrieve a DeviceInfo struct containing metadata about the device,
-  // including the set of all available device configurations.
-  GetDeviceInfo() => (DeviceInfo? info);
-
-  // Retrieves the |configuration_value| of the device's currently active
-  // configuration. Will return 0 if the device is unconfigured.
-  GetConfiguration() => (uint8 value);
-
-  // Opens the device. Methods below require the device be opened first.
-  Open() => (OpenDeviceError error);
-
-  // Closes the device.
-  Close() => ();
-
-  // Initiates a device control transfer to set the device's configuration to
-  // one with the configuration value |value|.
-  SetConfiguration(uint8 value) => (bool success);
-
-  // Claims a single interface in the current device configuration.
-  ClaimInterface(uint8 interface_number) => (bool success);
-
-  // Releases a claimed interface in the current device configuration.
-  ReleaseInterface(uint8 interface_number) => (bool success);
-
-  // Selects an alternate setting for a given claimed interface.
-  SetInterfaceAlternateSetting(uint8 interface_number, uint8 alternate_setting)
-      => (bool success);
-
-  // Resets the device.
-  Reset() => (bool success);
-
-  // Clear the halt/stall condition for an endpoint.
-  ClearHalt(uint8 endpoint) => (bool success);
-
-  // Initiates an inbound control transfer request. |params| determine the
-  // details of the request. Transfers to recipients other than DEVICE require a
-  // corresponding interface to be claimed.
-  //
-  // |length| specifies the expected number of bytes to receive for this
-  // transfer. The size of |data| will never exceed |length|, and |data| will be
-  // null if |status| is neither COMPLETED, BABBLE, or SHORT_PACKET.
-  //
-  // |timeout| specifies the request timeout in milliseconds. A timeout of 0
-  // indicates no timeout: the request will remain pending indefinitely until
-  // completed or otherwise terminated.
-  ControlTransferIn(ControlTransferParams params, uint32 length, uint32 timeout)
-      => (TransferStatus status, array<uint8>? data);
-
-  // Initiates an inbound control transfer request. |params| determine the
-  // details of the request. Transfers to recipients other than DEVICE require a
-  // corresponding interface to be claimed.
-  //
-  // |data| specifies the bytes to send the device in the body of the request.
-  //
-  // |timeout| specifies the request timeout in milliseconds. A timeout of 0
-  // indicates no timeout: the request will remain pending indefinitely until
-  // completed or otherwise terminated.
-  ControlTransferOut(ControlTransferParams params,
-                     array<uint8> data,
-                     uint32 timeout)
-      => (TransferStatus status);
-
-  // Initiates an inbound generic transfer request on a specific endpoint. The
-  // interface to which |endpoint_number| belongs must be claimed, and the
-  // appropriate alternate setting must be set on that interface before
-  // transfers can be initiated on the endpoint. The endpoint must be of type
-  // BULK or INTERRUPT.
-  //
-  // |length| specifies the expected number of bytes to receive for this
-  // transfer. The size of |data| will never exceed |length|, and |data| will be
-  // null if |status| is neither COMPLETED, BABBLE, or SHORT_PACKET.
-  //
-  // |timeout| specifies the request timeout in milliseconds. A timeout of 0
-  // indicates no timeout: the request will remain pending indefinitely until
-  // completed or otherwise terminated.
-  GenericTransferIn(uint8 endpoint_number, uint32 length, uint32 timeout)
-      => (TransferStatus status, array<uint8>? data);
-
-  // Initiates an outbound generic transfer request on a specific endpoint. The
-  // interface to which |endpoint_number| belongs must be claimed, and the
-  // appropriate alternate setting must be set on that interface before
-  // transfers can be initiated on the endpoint. The endpoint must be of type
-  // BULK or INTERRUPT.
-  //
-  // |data| specifies the bytes to send the device in the body of the request.
-  //
-  // |timeout| specifies the request timeout in milliseconds. A timeout of 0
-  // indicates no timeout: the request will remain pending indefinitely until
-  // completed or otherwise terminated.
-  GenericTransferOut(uint8 endpoint_number, array<uint8> data, uint32 timeout)
-      => (TransferStatus status);
-
-  // Initiates an inbound isochronous transfer request on a specific endpoint.
-  // The interface to which |endpoint_number| belongs must be claimed, and the
-  // appropriate alternate setting must be set on that interface before
-  // transfers can be initiated on the endpoint. The endpoint must be of type
-  // ISOCHRONOUS.
-  //
-  // |packet_lengths| specifies the maximum expected number of bytes to receive
-  // for each packet in this transfer.
-  //
-  // |timeout| specifies the request timeout in milliseconds. A timeout of 0
-  // indicates no timeout: the request will remain pending indefinitely until
-  // completed or otherwise terminated.
-  //
-  // |data| contains the data received from the device, if any. |packets|
-  // contains the status of each packet received from the device, in order. The
-  // length of the packet indicates its position in |data| while it's
-  // transferred length gives the amount of data actually received from the
-  // device.
-  IsochronousTransferIn(uint8 endpoint_number,
-                        array<uint32> packet_lengths,
-                        uint32 timeout)
-      => (array<uint8>? data, array<IsochronousPacket> packets);
-
-  // Initiates an outbound isochronous transfer request on a specific endpoint.
-  // The interface to which |endpoint_number| belongs must be claimed, and the
-  // appropriate alternate setting must be set on that interface before
-  // transfers can be initiated on the endpoint. The endpoint must be of type
-  // ISOCHRONOUS.
-  //
-  // |data| specifies the bytes to send to the device.
-  //
-  // |packet_lengths| specifies how |data| should be separated into packets when
-  // it is sent to the device.
-  //
-  // |timeout| specifies the request timeout in milliseconds. A timeout of 0
-  // indicates no timeout: the request will remain pending indefinitely until
-  // completed or otherwise terminated.
-
-  // |packets| contains the status of each packet sent to the device, in order.
-  IsochronousTransferOut(uint8 endpoint_number,
-                         array<uint8> data,
-                         array<uint32> packet_lengths,
-                         uint32 timeout)
-      => (array<IsochronousPacket> packets);
-};