| Index: Source/core/rendering/style/RenderStyle.h | 
| diff --git a/Source/core/rendering/style/RenderStyle.h b/Source/core/rendering/style/RenderStyle.h | 
| index 6a27aaead144d0faca8f577e026e5d30c062ea33..88eb08f8601de71c673e034026cb99a0a6d08c33 100644 | 
| --- a/Source/core/rendering/style/RenderStyle.h | 
| +++ b/Source/core/rendering/style/RenderStyle.h | 
| @@ -344,6 +344,8 @@ public: | 
| // Computes how the style change should be propagated down the tree. | 
| static StyleRecalcChange stylePropagationDiff(const RenderStyle* oldStyle, const RenderStyle* newStyle); | 
|  | 
| +    static ItemPosition resolveAlignment(const RenderStyle* parentStyle, const RenderStyle* childStyle); | 
| + | 
| StyleDifference visualInvalidationDiff(const RenderStyle&) const; | 
|  | 
| enum IsAtShadowBoundary { | 
|  |