Implement the Blink side of RequestDeviceOptions.

Source/modules/bluetooth/Bluetooth.h

 // Copyright 2014 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 Bluetooth_h
 #define Bluetooth_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class BluetoothUUIDs;
+class RequestDeviceOptions;
 class ScriptPromise;
 class ScriptState;
 
 class Bluetooth
     : public GarbageCollected<Bluetooth>
     , public ScriptWrappable {
     DEFINE_WRAPPERTYPEINFO();
 public:
     static Bluetooth* create()
     {
         return new Bluetooth();
     }
 
     // BluetoothDiscovery interface
-    ScriptPromise requestDevice(ScriptState*);
+    ScriptPromise requestDevice(ScriptState*, const RequestDeviceOptions&);
 
     DEFINE_INLINE_TRACE() { }
 
 };
 
 } // namespace blink
 
 #endif // Bluetooth_h