WebUSB bindings part 5

Source/modules/webusb/USBError.cpp

 // 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.
 
 #include "config.h"
 #include "modules/webusb/USBError.h"
 
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "public/platform/modules/webusb/WebUSBError.h"
 
 namespace blink {
 
-DOMException* USBError::take(ScriptPromiseResolver*, PassOwnPtr<WebUSBError> webError)
+DOMException* USBError::take(ScriptPromiseResolver*, const WebUSBError& webError)
 {
-    switch (webError->error) {
+    switch (webError.error) {
     case WebUSBError::Error::Device:
     case WebUSBError::Error::Security:
     case WebUSBError::Error::Service:
     case WebUSBError::Error::Transfer:
         // TODO(rockot): Differentiate between different error types.
-        return DOMException::create(AbortError, webError->message);
+        return DOMException::create(AbortError, webError.message);
     }
     ASSERT_NOT_REACHED();
     return DOMException::create(UnknownError);
 }
 
 } // namespace blink