| Index: Source/core/css/resolver/MatchedPropertiesCache.h
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| diff --git a/Source/core/css/resolver/MatchedPropertiesCache.h b/Source/core/css/resolver/MatchedPropertiesCache.h
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| index 2e5297d5acd3c4bf14d2ca3cf161c2e593370ba6..d86bf01f856cfc35b29ce941a2c0e18c80581dd8 100644
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| --- a/Source/core/css/resolver/MatchedPropertiesCache.h
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| +++ b/Source/core/css/resolver/MatchedPropertiesCache.h
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| @@ -54,6 +54,7 @@ public:
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|      void add(const RenderStyle*, const RenderStyle* parentStyle, unsigned hash, const MatchResult&);
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|  
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|      void clear();
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| +    void clearViewportDependent();
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|  
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|      static bool isCacheable(const Element*, const RenderStyle*, const RenderStyle* parentStyle);
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|  
 | 
| 
 |