Fix include guards in //device/usb

device/usb/fake_usb_device_handle.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_FAKE_USB_DEVICE_HANDLE_H_
+#define DEVICE_USB_FAKE_USB_DEVICE_HANDLE_H_
+
 #include "device/usb/usb_device_handle.h"
 
 namespace device {
 
 // This class implements a fake USB device handle that will handle control
 // requests by responding with data out of the provided buffer. The format of
 // each record in the buffer is:
 //
 // 0         1         2         3...
 // +---------+---------+---------+---------- - - -
@@ skipping 57 matching lines @@
 
  private:
   ~FakeUsbDeviceHandle() override;
 
   const uint8_t* const data_;
   const size_t size_;
   size_t position_;
 };
 
 }  // namespace device
+
+#endif  // DEVICE_USB_FAKE_USB_DEVICE_HANDLE_H_