WebUSB: Create a requestDevice method separate from getDevice.

Source/modules/webusb/USBDevice.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 USBDevice_h
 #define USBDevice_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/modules/webusb/WebUSBDevice.h"
 #include "public/platform/modules/webusb/WebUSBDeviceInfo.h"
 
 namespace blink {
 
+class ScriptPromiseResolver;
 class USBConfiguration;
 
 class USBDevice
     : public GarbageCollectedFinalized<USBDevice>
     , public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
-    using WebType = WebUSBDeviceInfo;
+    using WebType = OwnPtr<WebUSBDevice>;
 
     static USBDevice* create(PassOwnPtr<WebUSBDevice> device)
     {
         return new USBDevice(device);
     }
 
+    static USBDevice* take(ScriptPromiseResolver*, PassOwnPtr<WebUSBDevice> device)
+    {
+        return create(device);
+    }
+
     explicit USBDevice(PassOwnPtr<WebUSBDevice> device)
         : m_device(device)
     {
     }
 
     virtual ~USBDevice() { }
 
     const WebUSBDeviceInfo& info() const { return m_device->info(); }
 
     String guid() const { return info().guid; }
@@ skipping 15 matching lines @@
 
     DEFINE_INLINE_TRACE() { }
 
 private:
     OwnPtr<WebUSBDevice> m_device;
 };
 
 } // namespace blink
 
 #endif // USBDevice_h