Switch to standard integer types in components/, part 4 of 4.

components/webusb/webusb_detector.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 COMPONENTS_WEBUSB_WEBUSB_DETECTOR_H_
 #define COMPONENTS_WEBUSB_WEBUSB_DETECTOR_H_
 
+#include "base/macros.h"
 #include "base/scoped_observer.h"
 #include "device/usb/usb_service.h"
 
 namespace device {
 class UsbDevice;
 }
 
 namespace webusb {
 
 class UsbDevice;
@@ skipping 18 matching lines @@
   WebUsbBrowserClient* webusb_browser_client_ = nullptr;
 
   ScopedObserver<device::UsbService, device::UsbService::Observer> observer_;
 
   DISALLOW_COPY_AND_ASSIGN(WebUsbDetector);
 };
 
 }  // namespace webusb
 
 #endif  // COMPONENTS_WEBUSB_WEBUSB_DETECTOR_H_