Use "Dictionary" for PositionOptions instead of Custom binding

Source/modules/geolocation/PositionOptions.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef PositionOptions_h
 #define PositionOptions_h
 
 #include "platform/heap/Handle.h"
-#include <limits.h>
 
 namespace WebCore {
 
+class Dictionary;
+
 class PositionOptions : public GarbageCollected<PositionOptions> {
 public:
-    static PositionOptions* create() { return new PositionOptions(); }
+    static PositionOptions* create(const Dictionary&);
     void trace(Visitor*) { }
 
     bool enableHighAccuracy() const { return m_highAccuracy; }
     void setEnableHighAccuracy(bool enable) { m_highAccuracy = enable; }
     unsigned timeout() const
     {
         return m_timeout;
     }
     void setTimeout(unsigned timeout)
     {
         m_timeout = timeout;
     }
     unsigned maximumAge() const
     {
         return m_maximumAge;
     }
     void setMaximumAge(unsigned age)
     {
         m_maximumAge = age;
     }
 
 private:
-    PositionOptions()
-        : m_highAccuracy(false)
-        , m_maximumAge(0)
-        , m_timeout(std::numeric_limits<unsigned>::max())
-
-    {
-        setMaximumAge(0);
-    }
+    explicit PositionOptions(const Dictionary&);
 
     bool m_highAccuracy;
     unsigned m_maximumAge;
     unsigned m_timeout;
 };
 
 } // namespace WebCore
 
 #endif // PositionOptions_h