Update Gamepad.axes / GamepadButton.value to match the latest specification

Source/modules/gamepad/GamepadCommon.h

 /*
  * Copyright (C) 2011, Google 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
@@ skipping 18 matching lines @@
 #include "public/platform/WebGamepad.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
 class GamepadCommon {
 public:
     GamepadCommon();
     ~GamepadCommon();
-    typedef Vector<float> FloatVector;
+    typedef Vector<double> DoubleVector;
 
     const String& id() const { return m_id; }
     void setId(const String& id) { m_id = id; }
 
     unsigned index() const { return m_index; }
     void setIndex(unsigned val) { m_index = val; }
 
     bool connected() const { return m_connected; }
     void setConnected(bool val) { m_connected = val; }
 
     unsigned long long timestamp() const { return m_timestamp; }
     void setTimestamp(unsigned long long val) { m_timestamp = val; }
 
     const String& mapping() const { return m_mapping; }
     void setMapping(const String& val) { m_mapping = val; }
 
-    const FloatVector& axes() const { return m_axes; }
+    const DoubleVector& axes() const { return m_axes; }
+#if defined(ENABLE_NEW_GAMEPAD_API)
+    void setAxes(unsigned count, const double* data);
+#else
     void setAxes(unsigned count, const float* data);
+#endif
 
 protected:
     String m_id;
     unsigned m_index;
     bool m_connected;
     unsigned long long m_timestamp;
     String m_mapping;
-    FloatVector m_axes;
+    DoubleVector m_axes;
 };
 
 } // namespace WebCore
 
 #endif // GamepadCommon_h