Unify GeometryPropertyTreeState and PropertyTreeState

third_party/WebKit/Source/platform/graphics/paint/GeometryPropertyTreeState.h

-// Copyright 2016 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 GeometryPropertyTreeState_h
-#define GeometryPropertyTreeState_h
-
-#include "platform/graphics/paint/ClipPaintPropertyNode.h"
-#include "platform/graphics/paint/EffectPaintPropertyNode.h"
-#include "platform/graphics/paint/TransformPaintPropertyNode.h"
-#include "wtf/HashFunctions.h"
-#include "wtf/HashTraits.h"
-
-namespace blink {
-
-// Represents the combination of transform, clip and effect nodes for a particular coordinate space.
-// See GeometryMapper. Scroll nodes (ScrollPaintPropertyNode) are not needed for mapping geometry
-// and have been left off of this structure.
-struct GeometryPropertyTreeState {
-  GeometryPropertyTreeState()
-      : GeometryPropertyTreeState(nullptr, nullptr, nullptr) {}
-
-  GeometryPropertyTreeState(const TransformPaintPropertyNode* transform,
-                            const ClipPaintPropertyNode* clip,
-                            const EffectPaintPropertyNode* effect)
-      : transform(transform), clip(clip), effect(effect) {}
-
-  RefPtr<const TransformPaintPropertyNode> transform;
-  RefPtr<const ClipPaintPropertyNode> clip;
-  RefPtr<const EffectPaintPropertyNode> effect;
-};
-
-}  // namespace blink
-
-#endif  // GeometryPropertyTreeState_h