| Index: Source/core/css/StylePropertySerializer.cpp
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| diff --git a/Source/core/css/StylePropertySerializer.cpp b/Source/core/css/StylePropertySerializer.cpp
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| index 5eb0a3fea3fcf5d800f74bf91b700f01e7e06130..428d8b2715960f501720844dd12c9dad7e5eb8a4 100644
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| --- a/Source/core/css/StylePropertySerializer.cpp
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| +++ b/Source/core/css/StylePropertySerializer.cpp
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| @@ -813,7 +813,7 @@ String StylePropertySerializer::borderPropertyValue(CommonValueMode valueMode) c
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|  static void appendBackgroundRepeatValue(StringBuilder& builder, const CSSValue& repeatXCSSValue, const CSSValue& repeatYCSSValue)
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|  {
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|      // FIXME: Ensure initial values do not appear in CSS_VALUE_LISTS.
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| -    DEFINE_STATIC_REF_WILL_BE_PERSISTENT(CSSPrimitiveValue, initialRepeatValue, (CSSPrimitiveValue::create(CSSValueRepeat)));
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| +    DEFINE_STATIC_REF(CSSPrimitiveValue, initialRepeatValue, (CSSPrimitiveValue::create(CSSValueRepeat)));
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|      const CSSPrimitiveValue& repeatX = repeatXCSSValue.isInitialValue() ? *initialRepeatValue : toCSSPrimitiveValue(repeatXCSSValue);
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|      const CSSPrimitiveValue& repeatY = repeatYCSSValue.isInitialValue() ? *initialRepeatValue : toCSSPrimitiveValue(repeatYCSSValue);
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|      CSSValueID repeatXValueId = repeatX.getValueID();
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| 
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