Reland: Introduce the devices Mojo app

device/usb/device_impl.h

Index: device/usb/device_impl.h
diff --git a/device/usb/device_impl.h b/device/usb/device_impl.h
deleted file mode 100644
index d3bf3397a5aa1924d7bedf17989767716aad5bad..0000000000000000000000000000000000000000
--- a/device/usb/device_impl.h
+++ /dev/null
@@ -1,140 +0,0 @@
-// 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.
-
-#ifndef DEVICE_USB_DEVICE_IMPL_H_
-#define DEVICE_USB_DEVICE_IMPL_H_
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/weak_ptr.h"
-#include "device/usb/public/interfaces/device.mojom.h"
-#include "device/usb/usb_device_handle.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/callback.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
-
-namespace net {
-class IOBuffer;
-}
-
-namespace device {
-namespace usb {
-
-// Implementation of the public Device interface. Instances of this class are
-// constructed by DeviceManagerImpl and are strongly bound to their MessagePipe
-// lifetime.
-class DeviceImpl : public Device {
- public:
-  DeviceImpl(scoped_refptr<UsbDeviceHandle> device_handle,
-             mojo::InterfaceRequest<Device> request);
-  ~DeviceImpl() override;
-
- private:
-  using MojoTransferInCallback =
-      mojo::Callback<void(TransferStatus, mojo::Array<uint8_t>)>;
-
-  using MojoTransferOutCallback = mojo::Callback<void(TransferStatus)>;
-
-  // Closes the device if it's open. This will always set |handle_| to null.
-  void CloseHandle();
-
-  // Handles a UsbDeviceHandle::ClaimInterface response.
-  void OnClaimInterface(uint8_t interface_number,
-                        const ClaimInterfaceCallback& callback,
-                        bool result);
-
-  // Handles completion of an inbound transfer on the UsbDeviceHandle.
-  void OnTransferIn(const MojoTransferInCallback& callback,
-                    UsbTransferStatus status,
-                    scoped_refptr<net::IOBuffer> data,
-                    size_t size);
-
-  // Handles completion of an outbound transfer on the UsbDeviceHandle.
-  void OnTransferOut(const MojoTransferOutCallback& callback,
-                     UsbTransferStatus status,
-                     scoped_refptr<net::IOBuffer> data,
-                     size_t size);
-
-  // Handles completion of an inbound isochronous transfer on the
-  // UsbDeviceHandle.
-  void OnIsochronousTransferIn(const IsochronousTransferInCallback& callback,
-                               uint32_t packet_length,
-                               UsbTransferStatus status,
-                               scoped_refptr<net::IOBuffer> data,
-                               size_t size);
-
-  // Handles completion of an outbound isochronous transfer on the
-  // UsbDeviceHandle.
-  void OnIsochronousTransferOut(const MojoTransferOutCallback& callback,
-                                UsbTransferStatus status,
-                                scoped_refptr<net::IOBuffer> data,
-                                size_t size);
-
-  // Device implementation:
-  void Close(const CloseCallback& callback) override;
-  void GetDeviceInfo(const GetDeviceInfoCallback& callback) override;
-  void SetConfiguration(uint8_t value,
-                        const SetConfigurationCallback& callback) override;
-  void ClaimInterface(uint8_t interface_number,
-                      const ClaimInterfaceCallback& callback) override;
-  void ReleaseInterface(uint8_t interface_number,
-                        const ReleaseInterfaceCallback& callback) override;
-  void SetInterfaceAlternateSetting(
-      uint8_t interface_number,
-      uint8_t alternate_setting,
-      const SetInterfaceAlternateSettingCallback& callback) override;
-  void Reset(const ResetCallback& callback) override;
-  void ControlTransferIn(ControlTransferParamsPtr params,
-                         uint32_t length,
-                         uint32_t timeout,
-                         const ControlTransferInCallback& callback) override;
-  void ControlTransferOut(ControlTransferParamsPtr params,
-                          mojo::Array<uint8_t> data,
-                          uint32_t timeout,
-                          const ControlTransferOutCallback& callback) override;
-  void BulkTransferIn(uint8_t endpoint_number,
-                      uint32_t length,
-                      uint32_t timeout,
-                      const BulkTransferInCallback& callback) override;
-  void BulkTransferOut(uint8_t endpoint_number,
-                       mojo::Array<uint8_t> data,
-                       uint32_t timeout,
-                       const BulkTransferOutCallback& callback) override;
-  void InterruptTransferIn(
-      uint8_t endpoint_number,
-      uint32_t length,
-      uint32_t timeout,
-      const InterruptTransferInCallback& callback) override;
-  void InterruptTransferOut(
-      uint8_t endpoint_number,
-      mojo::Array<uint8_t> data,
-      uint32_t timeout,
-      const InterruptTransferOutCallback& callback) override;
-  void IsochronousTransferIn(
-      uint8_t endpoint_number,
-      uint32_t num_packets,
-      uint32_t packet_length,
-      uint32_t timeout,
-      const IsochronousTransferInCallback& callback) override;
-  void IsochronousTransferOut(
-      uint8_t endpoint_number,
-      mojo::Array<mojo::Array<uint8_t>> packets,
-      uint32_t timeout,
-      const IsochronousTransferOutCallback& callback) override;
-
-  mojo::StrongBinding<Device> binding_;
-
-  // The opened device handle. May be null if the device has been closed.
-  scoped_refptr<UsbDeviceHandle> device_handle_;
-
-  base::WeakPtrFactory<DeviceImpl> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(DeviceImpl);
-};
-
-}  // namespace usb
-}  // namespace device
-
-#endif  // DEVICE_USB_DEVICE_IMPL_H_