| Index: third_party/WebKit/Source/platform/graphics/paint/PropertyTreeState.h
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| diff --git a/third_party/WebKit/Source/platform/graphics/paint/PropertyTreeState.h b/third_party/WebKit/Source/platform/graphics/paint/PropertyTreeState.h
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| index c0520c27c1eeaa9ec2b7d208df097e05d2840865..dfefef95ac34b406fe4455cb332102c23980cf28 100644
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| --- a/third_party/WebKit/Source/platform/graphics/paint/PropertyTreeState.h
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| +++ b/third_party/WebKit/Source/platform/graphics/paint/PropertyTreeState.h
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| @@ -20,14 +20,14 @@ struct PropertyTreeState {
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|      PropertyTreeState() : PropertyTreeState(nullptr, nullptr, nullptr) {}
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|  
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|      PropertyTreeState(
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| -        TransformPaintPropertyNode* transform,
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| -        ClipPaintPropertyNode* clip,
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| -        EffectPaintPropertyNode* effect)
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| +        const TransformPaintPropertyNode* transform,
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| +        const ClipPaintPropertyNode* clip,
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| +        const EffectPaintPropertyNode* effect)
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|      : transform(transform), clip(clip), effect(effect) {}
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|  
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| -    RefPtr<TransformPaintPropertyNode> transform;
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| -    RefPtr<ClipPaintPropertyNode> clip;
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| -    RefPtr<EffectPaintPropertyNode> effect;
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| +    RefPtr<const TransformPaintPropertyNode> transform;
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| +    RefPtr<const ClipPaintPropertyNode> clip;
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| +    RefPtr<const EffectPaintPropertyNode> effect;
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|  };
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|  
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|  template <class A>
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| 
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