Update device/usb and its Mojo interface for variable size ISO packets.

device/devices_app/usb/device_impl.h

 // 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_
+#ifndef DEVICE_DEVICES_APP_USB_DEVICE_IMPL_H_
+#define DEVICE_DEVICES_APP_USB_DEVICE_IMPL_H_
 
 #include <stdint.h>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "device/devices_app/usb/public/interfaces/device.mojom.h"
 #include "device/devices_app/usb/public/interfaces/permission_provider.mojom.h"
 #include "device/usb/usb_device_handle.h"
@@ skipping 60 matching lines @@
   void GenericTransferIn(uint8_t endpoint_number,
                          uint32_t length,
                          uint32_t timeout,
                          const GenericTransferInCallback& callback) override;
   void GenericTransferOut(uint8_t endpoint_number,
                           mojo::Array<uint8_t> data,
                           uint32_t timeout,
                           const GenericTransferOutCallback& callback) override;
   void IsochronousTransferIn(
       uint8_t endpoint_number,
-      uint32_t num_packets,
-      uint32_t packet_length,
+      mojo::Array<uint32_t> packet_lengths,
       uint32_t timeout,
       const IsochronousTransferInCallback& callback) override;
   void IsochronousTransferOut(
       uint8_t endpoint_number,
-      mojo::Array<mojo::Array<uint8_t>> packets,
+      mojo::Array<uint8_t> data,
+      mojo::Array<uint32_t> packet_lengths,
       uint32_t timeout,
       const IsochronousTransferOutCallback& callback) override;
 
   mojo::Binding<Device> binding_;
 
   scoped_refptr<UsbDevice> device_;
   // The device handle. Will be null before the device is opened and after it
   // has been closed.
   scoped_refptr<UsbDeviceHandle> device_handle_;
   PermissionProviderPtr permission_provider_;
 
   base::WeakPtrFactory<DeviceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DeviceImpl);
 };
 
 }  // namespace usb
 }  // namespace device
 
-#endif  // DEVICE_USB_DEVICE_IMPL_H_
+#endif  // DEVICE_DEVICES_APP_USB_DEVICE_IMPL_H_