WebUSB bindings part 5

public/platform/modules/webusb/WebUSBClient.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 WebUSBClient_h
 #define WebUSBClient_h
 
 #include "public/platform/WebCallbacks.h"
 #include "public/platform/WebVector.h"
 
 namespace blink {
 
 class WebUSBDevice;
 struct WebUSBDeviceEnumerationOptions;
 struct WebUSBError;
 
-using WebUSBClientGetDevicesCallbacks = WebCallbacks<WebVector<WebUSBDevice*>*, WebUSBError*>;
+using WebUSBClientGetDevicesCallbacks = WebCallbacks<WebPassOwnPtr<WebVector<WebUSBDevice*>>, const WebUSBError&>;
 
 class WebUSBClient {
 public:
     virtual ~WebUSBClient() { }
 
     // Enumerates available devices.
     // Ownership of the WebUSBClientGetDevicesCallbacks is transferred to the client.
     virtual void getDevices(const WebUSBDeviceEnumerationOptions&, WebUSBClientGetDevicesCallbacks*) = 0;
 };
 
 } // namespace blink
 
 #endif // WebUSBClient_h