Added non-prefixed navigator.getGamepads() with updated API

Source/modules/gamepad/GamepadButton.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 GamepadButton_h
+#define GamepadButton_h
+
+#include "bindings/v8/ScriptWrappable.h"
+#include "heap/Handle.h"
+#include "wtf/RefCounted.h"
+#include "wtf/Vector.h"
+
+namespace WebCore {
+
+class GamepadButton FINAL : public RefCountedWillBeGarbageCollectedFinalized<GamepadButton>, public ScriptWrappable {
+public:
+    static PassRefPtrWillBeRawPtr<GamepadButton> create();
+    ~GamepadButton();
+
+    float value() const { return m_value; }
+    void setValue(float val) { m_value = val; }
+
+    bool pressed() const { return m_pressed; }
+    void setPressed(bool val) { m_pressed = val; }
+
+    void trace(Visitor*);
+
+private:
+    GamepadButton();
+    float m_value;
+    bool m_pressed;
+};
+
+typedef WillBeHeapVector<RefPtrWillBeMember<GamepadButton> > GamepadButtonVector;
+
+} // namespace WebCore
+
+#endif // GamepadButton_h