| Index: third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
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| diff --git a/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h b/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
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| index 57e65d2143bdb30fe3192a03540b603a0fd9b526..a6427036a5eb3867cfaa575cc48a0595a75f8ce1 100644
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| --- a/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
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| +++ b/third_party/WebKit/Source/platform/graphics/paint/PaintChunkProperties.h
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| @@ -29,9 +29,9 @@ struct PaintChunkProperties {
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|      PaintChunkProperties() : backfaceHidden(false) { }
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|  
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|      // TODO(pdr): Add scroll properties.
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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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|      bool backfaceHidden;
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|  };
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|  
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| 
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