Adding WebVR interface to Blink

Source/modules/vr/VRPositionState.h

Index: Source/modules/vr/VRPositionState.h
diff --git a/Source/modules/vr/VRPositionState.h b/Source/modules/vr/VRPositionState.h
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+++ b/Source/modules/vr/VRPositionState.h
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+// 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 VRPositionState_h
+#define VRPositionState_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "core/dom/DOMPoint.h"
+#include "platform/heap/Handle.h"
+#include "public/platform/WebVR.h"
+#include "wtf/Forward.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class VRPositionState final : public GarbageCollected<VRPositionState>, public ScriptWrappable {
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    static VRPositionState* create()
+    {
+        return new VRPositionState();
+    }
+
+    double timeStamp() const { return m_timeStamp; }
+    DOMPoint* orientation() const { return m_orientation; }
+    DOMPoint* position() const { return m_position; }
+    DOMPoint* angularVelocity() const { return m_angularVelocity; }
+    DOMPoint* linearVelocity() const { return m_linearVelocity; }
+    DOMPoint* angularAcceleration() const { return m_angularAcceleration; }
+    DOMPoint* linearAcceleration() const { return m_linearAcceleration; }
+
+    void setState(const blink::WebHMDSensorState&);
+
+    virtual void trace(Visitor*);
+
+private:
+    VRPositionState();
+
+    double m_timeStamp;
+    Member<DOMPoint> m_orientation;
+    Member<DOMPoint> m_position;
+    Member<DOMPoint> m_angularVelocity;
+    Member<DOMPoint> m_linearVelocity;
+    Member<DOMPoint> m_angularAcceleration;
+    Member<DOMPoint> m_linearAcceleration;
+};
+
+} // namespace blink
+
+#endif // VRPositionState_h