Usb backend refactor step 2: Separate Usb Device Handle and Usb Device (deprecate)

third_party/libusb/src/libusb/interrupt.h

Index: third_party/libusb/src/libusb/interrupt.h
diff --git a/third_party/libusb/src/libusb/interrupt.h b/third_party/libusb/src/libusb/interrupt.h
new file mode 100644
index 0000000000000000000000000000000000000000..ac8d52dc52f3a0d0efec5fcb169a434ffb433019
--- /dev/null
+++ b/third_party/libusb/src/libusb/interrupt.h
@@ -0,0 +1,20 @@
+// Copyright (c) 2013 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 THIRD_PARTY_LIBUSB_SRC_LIBUSB_INTERRUPT_H
+#define THIRD_PARTY_LIBUSB_SRC_LIBUSB_INTERRUPT_H
+
+#include "libusb.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int LIBUSB_CALL libusb_interrupt_handle_event(struct libusb_context* ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif  // THIRD_PARTY_LIBUSB_SRC_LIBUSB_INTERRUPT_H