Revert of [screen-orientation] Expose orientation info in OrientationInformation interface.

Source/modules/screen_orientation/OrientationInformation.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 OrientationInformation_h
-#define OrientationInformation_h
-
-#include "bindings/core/v8/ScriptWrappable.h"
-#include "public/platform/WebScreenOrientationType.h"
-#include "wtf/text/WTFString.h"
-
-namespace WebCore {
-
-// OrientationInformation is the C++ counter-part of the OrientationInformation
-// web interface. It is GarbageCollectedFinalized because ScriptWrappable
-// requires it.
-class OrientationInformation FINAL
-    : public GarbageCollectedFinalized<OrientationInformation>
-    , public ScriptWrappable {
-public:
-    OrientationInformation();
-    bool initialized() const;
-
-    String type() const;
-    unsigned short angle() const;
-
-    void setType(blink::WebScreenOrientationType);
-    void setAngle(unsigned short);
-
-    void trace(Visitor*) { }
-
-private:
-    blink::WebScreenOrientationType m_type;
-    unsigned short m_angle;
-};
-
-} // namespace WebCore
-
-#endif // OrientationInformation_h